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glibc  2.9
Classes | Defines | Functions | Variables
vfprintf.c File Reference
#include <ctype.h>
#include <limits.h>
#include <printf.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <wchar.h>
#include <bits/libc-lock.h>
#include <sys/param.h>
#include "_itoa.h"
#include <locale/localeinfo.h>
#include <stdio.h>
#include <libioP.h>
#include "_i18n_number.h"
#include "printf-parse.h"
#include "_itowa.h"
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Go to the source code of this file.

Classes

struct  helper_file

Defines

#define FILE   _IO_FILE
#define va_list   _IO_va_list
#define BUFSIZ   _IO_BUFSIZ
#define ARGCHECK(S, Format)
#define UNBUFFERED_P(S)   ((S)->_IO_file_flags & _IO_UNBUFFERED)
#define done_add(val)
#define vfprintf   _IO_vfprintf_internal
#define CHAR_T   char
#define UCHAR_T   unsigned char
#define INT_T   int
#define L_(Str)   Str
#define ISDIGIT(Ch)   ((unsigned int) ((Ch) - '0') < 10)
#define STR_LEN(Str)   strlen (Str)
#define PUT(F, S, N)   _IO_sputn ((F), (S), (N))
#define PAD(Padchar)
#define PUTC(C, F)   _IO_putc_unlocked (C, F)
#define ORIENT
#define outchar(Ch)
#define outstring(String, Len)
#define is_longlong   0
#define is_long_num   0
#define NOT_IN_JUMP_RANGE(Ch)   ((Ch) < L_(' ') || (Ch) > L_('z'))
#define CHAR_CLASS(Ch)   (jump_table[(INT_T) (Ch) - L_(' ')])
#define JUMP_TABLE_TYPE   const void *const
#define JUMP(ChExpr, table)
#define STEP0_3_TABLE
#define STEP4_TABLE
#define process_arg(fspec)
#define process_string_arg(fspec)
#define REF(Name)   &&do_##Name
#define LABEL(Name)   do_##Name
#define T(tag, mem, type)
#define REF(Name)   &&do2_##Name
#define LABEL(Name)   do2_##Name

Functions

static int buffered_vfprintf (FILE *stream, const CHAR_T *fmt, va_list) __THROW __attribute__((noinline)) internal_function
static int printf_unknown (FILE *, const struct printf_info *, const void *const *)
static CHAR_T *internal_function group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping, const char *thousands_sep)
static int _IO_helper_overflow (_IO_FILE *s, int c)
static int internal_function buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format, _IO_va_list args)
 ldbl_strong_alias (_IO_vfprintf_internal, vfprintf)

Variables

static const CHAR_T null [] = L_("(null)")
static struct _IO_jump_t

Class Documentation

struct helper_file

Definition at line 2048 of file vfprintf.c.

Collaboration diagram for helper_file:
Class Members
_IO_FILE * _put_stream

Define Documentation

#define ARGCHECK (   S,
  Format 
)
Value:
do                                                                   \
    {                                                                \
      /* Check file argument for consistence.  */                           \
      CHECK_FILE (S, -1);                                            \
      if (S->_flags & _IO_NO_WRITES)                                        \
       {                                                             \
         __set_errno (EBADF);                                               \
         return -1;                                                  \
       }                                                             \
      if (Format == NULL)                                            \
       {                                                             \
         MAYBE_SET_EINVAL;                                           \
         return -1;                                                  \
       }                                                             \
    } while (0)

Definition at line 49 of file vfprintf.c.

#define BUFSIZ   _IO_BUFSIZ

Definition at line 48 of file vfprintf.c.

#define CHAR_CLASS (   Ch)    (jump_table[(INT_T) (Ch) - L_(' ')])
#define CHAR_T   char

Definition at line 82 of file vfprintf.c.

#define done_add (   val)
Value:
do {                                                                 \
    unsigned int _val = val;                                                \
    assert ((unsigned int) done < (unsigned int) INT_MAX);                  \
    if (__builtin_expect ((unsigned int) INT_MAX - (unsigned int) done             \
                       < _val, 0))                                   \
      {                                                                     \
       done = -1;                                                    \
       goto all_done;                                                       \
      }                                                                     \
    done += _val;                                                    \
  } while (0)

Definition at line 67 of file vfprintf.c.

#define FILE   _IO_FILE

Definition at line 44 of file vfprintf.c.

#define INT_T   int

Definition at line 84 of file vfprintf.c.

#define is_long_num   0

Definition at line 167 of file vfprintf.c.

#define is_longlong   0

Definition at line 159 of file vfprintf.c.

#define ISDIGIT (   Ch)    ((unsigned int) ((Ch) - '0') < 10)

Definition at line 86 of file vfprintf.c.

#define JUMP (   ChExpr,
  table 
)
Value:
do                                                            \
       {                                                             \
         const void *__unbounded ptr;                                       \
         spec = (ChExpr);                                            \
         ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown)                \
           : table[CHAR_CLASS (spec)];                                      \
         goto *ptr;                                                  \
       }                                                             \
      while (0)
#define JUMP_TABLE_TYPE   const void *const
#define L_ (   Str)    Str

Definition at line 85 of file vfprintf.c.

#define LABEL (   Name)    do_##Name
#define LABEL (   Name)    do2_##Name
#define NOT_IN_JUMP_RANGE (   Ch)    ((Ch) < L_(' ') || (Ch) > L_('z'))
#define ORIENT
Value:
if (_IO_vtable_offset (s) == 0 && _IO_fwide (s, -1) != -1)\
                       return -1

Definition at line 94 of file vfprintf.c.

#define outchar (   Ch)
Value:
do                                                                   \
    {                                                                \
      register const INT_T outc = (Ch);                                     \
      if (PUTC (outc, s) == EOF || done == INT_MAX)                         \
       {                                                             \
         done = -1;                                                  \
         goto all_done;                                              \
       }                                                             \
      ++done;                                                        \
    }                                                                \
  while (0)

Definition at line 128 of file vfprintf.c.

#define outstring (   String,
  Len 
)
Value:
do                                                                   \
    {                                                                \
      assert ((size_t) done <= (size_t) INT_MAX);                           \
      if ((size_t) PUT (s, (String), (Len)) != (size_t) (Len)               \
         || (size_t) INT_MAX - (size_t) done < (size_t) (Len))              \
       {                                                             \
         done = -1;                                                  \
         goto all_done;                                              \
       }                                                             \
      done += (Len);                                                 \
    }                                                                \
  while (0)

Definition at line 141 of file vfprintf.c.

#define PAD (   Padchar)
Value:
if (width > 0)                                                       \
    done_add (INTUSE(_IO_padn) (s, (Padchar), width))

Definition at line 90 of file vfprintf.c.

#define process_arg (   fspec)
#define process_string_arg (   fspec)
#define PUT (   F,
  S,
  N 
)    _IO_sputn ((F), (S), (N))

Definition at line 89 of file vfprintf.c.

#define PUTC (   C,
  F 
)    _IO_putc_unlocked (C, F)

Definition at line 93 of file vfprintf.c.

#define REF (   Name)    &&do_##Name
#define REF (   Name)    &&do2_##Name
#define STEP0_3_TABLE
#define STEP4_TABLE
#define STR_LEN (   Str)    strlen (Str)

Definition at line 87 of file vfprintf.c.

#define T (   tag,
  mem,
  type 
)
Value:
case tag:                                                     \
         args_value[cnt].mem = va_arg (ap_save, type);                      \
         break
#define UCHAR_T   unsigned char

Definition at line 83 of file vfprintf.c.

#define UNBUFFERED_P (   S)    ((S)->_IO_file_flags & _IO_UNBUFFERED)

Definition at line 65 of file vfprintf.c.

#define va_list   _IO_va_list

Definition at line 46 of file vfprintf.c.

Definition at line 81 of file vfprintf.c.


Function Documentation

static int _IO_helper_overflow ( _IO_FILE s,
int  c 
) [static]

Definition at line 2061 of file vfprintf.c.

  {
    struct _IO_FILE_plus _f;
#ifdef COMPILE_WPRINTF
    struct _IO_wide_data _wide_data;
#endif
    _IO_FILE *_put_stream;
#ifdef _IO_MTSAFE_IO
    _IO_lock_t lock;
#endif
  };

static int
_IO_helper_overflow (_IO_FILE *s, int c)
{
  _IO_FILE *target = ((struct helper_file*) s)->_put_stream;
#ifdef COMPILE_WPRINTF
  int used = s->_wide_data->_IO_write_ptr - s->_wide_data->_IO_write_base;
  if (used)
    {
      _IO_size_t written = _IO_sputn (target, s->_wide_data->_IO_write_base,
                                  used);
      if (written == 0 || written == WEOF)
       return WEOF;
      __wmemmove (s->_wide_data->_IO_write_base,
                s->_wide_data->_IO_write_base + written,
                used - written);
      s->_wide_data->_IO_write_ptr -= written;
    }
#else
static int buffered_vfprintf ( FILE stream,
const CHAR_T fmt,
va_list   
) [static]

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static int internal_function buffered_vfprintf ( register _IO_FILE s,
const CHAR_T format,
_IO_va_list  args 
) [static]

Definition at line 2140 of file vfprintf.c.

{
  CHAR_T buf[_IO_BUFSIZ];
  struct helper_file helper;
  register _IO_FILE *hp = (_IO_FILE *) &helper._f;
  int result, to_flush;

  /* Orient the stream.  */
#ifdef ORIENT
  ORIENT;
#endif

  /* Initialize helper.  */
  helper._put_stream = s;
#ifdef COMPILE_WPRINTF
  hp->_wide_data = &helper._wide_data;
  _IO_wsetp (hp, buf, buf + sizeof buf / sizeof (CHAR_T));
  hp->_mode = 1;
#else
  _IO_setp (hp, buf, buf + sizeof buf);
  hp->_mode = -1;
#endif
  hp->_IO_file_flags = _IO_MAGIC|_IO_NO_READS|_IO_USER_LOCK;
#if _IO_JUMPS_OFFSET
  hp->_vtable_offset = 0;
#endif
#ifdef _IO_MTSAFE_IO
  hp->_lock = NULL;
#endif
  hp->_flags2 = s->_flags2;
  _IO_JUMPS (&helper._f) = (struct _IO_jump_t *) &_IO_helper_jumps;

  /* Now print to helper instead.  */
#ifndef COMPILE_WPRINTF
  result = INTUSE(_IO_vfprintf) (hp, format, args);
#else
  result = vfprintf (hp, format, args);
#endif

  /* Lock stream.  */
  __libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, s);
  _IO_flockfile (s);

  /* Now flush anything from the helper to the S. */
#ifdef COMPILE_WPRINTF
  if ((to_flush = (hp->_wide_data->_IO_write_ptr
                 - hp->_wide_data->_IO_write_base)) > 0)
    {
      if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush)
         != to_flush)
       result = -1;
    }
#else
static CHAR_T* internal_function group_number ( CHAR_T w,
CHAR_T rear_ptr,
const char *  grouping,
const char *  thousands_sep 
) [static]

Definition at line 1979 of file vfprintf.c.

         :
  return done;
}

/* Group the digits according to the grouping rules of the current locale.
   The interpretation of GROUPING is as in `struct lconv' from <locale.h>.  */
static CHAR_T *
internal_function
group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping,
#ifdef COMPILE_WPRINTF
             wchar_t thousands_sep
#else
             const char *thousands_sep
#endif
             )
{
  int len;
  CHAR_T *src, *s;
#ifndef COMPILE_WPRINTF
  int tlen = strlen (thousands_sep);
#endif

  /* We treat all negative values like CHAR_MAX.  */

  if (*grouping == CHAR_MAX || *grouping <= 0)
    /* No grouping should be done.  */
    return w;

  len = *grouping++;

  /* Copy existing string so that nothing gets overwritten.  */
  src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T));
  s = (CHAR_T *) __mempcpy (src, w,
                         (rear_ptr - w) * sizeof (CHAR_T));
  w = rear_ptr;

  /* Process all characters in the string.  */
  while (s > src)
    {
      *--w = *--s;

      if (--len == 0 && s > src)
       {
         /* A new group begins.  */
#ifdef COMPILE_WPRINTF
         *--w = thousands_sep;
#else
         int cnt = tlen;
         do
           *--w = thousands_sep[--cnt];
         while (cnt > 0);
#endif

         if (*grouping == CHAR_MAX
#if CHAR_MIN < 0
                 || *grouping < 0
#endif
                 )
           {
             /* No further grouping to be done.
               Copy the rest of the number.  */
             do
static int printf_unknown ( FILE s,
const struct printf_info info,
const void *const args 
) [static]

Definition at line 182 of file vfprintf.c.

{
  /* The character used as thousands separator.  */
#ifdef COMPILE_WPRINTF
  wchar_t thousands_sep = L'\0';
#else
  const char *thousands_sep = NULL;
#endif

  /* The string describing the size of groups of digits.  */
  const char *grouping;

  /* Place to accumulate the result.  */
  int done;

  /* Current character in format string.  */
  const UCHAR_T *f;

  /* End of leading constant string.  */
  const UCHAR_T *lead_str_end;

  /* Points to next format specifier.  */
  const UCHAR_T *end_of_spec;

  /* Buffer intermediate results.  */
  CHAR_T work_buffer[1000];
  CHAR_T *workstart = NULL;
  CHAR_T *workend;

  /* We have to save the original argument pointer.  */
  va_list ap_save;

  /* Count number of specifiers we already processed.  */
  int nspecs_done;

  /* For the %m format we may need the current `errno' value.  */
  int save_errno = errno;

  /* 1 if format is in read-only memory, -1 if it is in writable memory,
     0 if unknown.  */
  int readonly_format = 0;

  /* This table maps a character into a number representing a
     class.  In each step there is a destination label for each
     class.  */
  static const int jump_table[] =
  {
    /* ' ' */  1,            0,            0, /* '#' */  4,
              0, /* '%' */ 14,            0, /* '\''*/  6,
              0,            0, /* '*' */  7, /* '+' */  2,
              0, /* '-' */  3, /* '.' */  9,            0,
    /* '0' */  5, /* '1' */  8, /* '2' */  8, /* '3' */  8,
    /* '4' */  8, /* '5' */  8, /* '6' */  8, /* '7' */  8,
    /* '8' */  8, /* '9' */  8,            0,            0,
              0,            0,            0,            0,
              0, /* 'A' */ 26,            0, /* 'C' */ 25,
              0, /* 'E' */ 19, /* F */   19, /* 'G' */ 19,
              0, /* 'I' */ 29,            0,            0,
    /* 'L' */ 12,            0,            0,            0,
              0,            0,            0, /* 'S' */ 21,
              0,            0,            0,            0,
    /* 'X' */ 18,            0, /* 'Z' */ 13,            0,
              0,            0,            0,            0,
              0, /* 'a' */ 26,            0, /* 'c' */ 20,
    /* 'd' */ 15, /* 'e' */ 19, /* 'f' */ 19, /* 'g' */ 19,
    /* 'h' */ 10, /* 'i' */ 15, /* 'j' */ 28,            0,
    /* 'l' */ 11, /* 'm' */ 24, /* 'n' */ 23, /* 'o' */ 17,
    /* 'p' */ 22, /* 'q' */ 12,            0, /* 's' */ 21,
    /* 't' */ 27, /* 'u' */ 16,            0,            0,
    /* 'x' */ 18,            0, /* 'z' */ 13
  };

#define NOT_IN_JUMP_RANGE(Ch) ((Ch) < L_(' ') || (Ch) > L_('z'))
#define CHAR_CLASS(Ch) (jump_table[(INT_T) (Ch) - L_(' ')])
#ifdef SHARED
  /* 'int' is enough and it saves some space on 64 bit systems.  */
# define JUMP_TABLE_TYPE const int
# define JUMP(ChExpr, table)                                                \
      do                                                             \
       {                                                             \
         int offset;                                                 \
         void *__unbounded ptr;                                      \
         spec = (ChExpr);                                            \
         offset = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown)             \
           : table[CHAR_CLASS (spec)];                                      \
         ptr = &&do_form_unknown + offset;                                  \
         goto *ptr;                                                  \
       }                                                             \
      while (0)
#else
# define JUMP_TABLE_TYPE const void *const
# define JUMP(ChExpr, table)                                                \
      do                                                             \
       {                                                             \
         const void *__unbounded ptr;                                       \
         spec = (ChExpr);                                            \
         ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown)                \
           : table[CHAR_CLASS (spec)];                                      \
         goto *ptr;                                                  \
       }                                                             \
      while (0)
#endif

#define STEP0_3_TABLE                                                       \
    /* Step 0: at the beginning.  */                                        \
    static JUMP_TABLE_TYPE step0_jumps[30] =                                \
    {                                                                \
      REF (form_unknown),                                            \
      REF (flag_space),            /* for ' ' */                            \
      REF (flag_plus),             /* for '+' */                            \
      REF (flag_minus),            /* for '-' */                            \
      REF (flag_hash),             /* for '<hash>' */                       \
      REF (flag_zero),             /* for '0' */                            \
      REF (flag_quote),            /* for '\'' */                                  \
      REF (width_asterics), /* for '*' */                            \
      REF (width),          /* for '1'...'9' */                      \
      REF (precision),             /* for '.' */                            \
      REF (mod_half),              /* for 'h' */                            \
      REF (mod_long),              /* for 'l' */                            \
      REF (mod_longlong),   /* for 'L', 'q' */                       \
      REF (mod_size_t),            /* for 'z', 'Z' */                       \
      REF (form_percent),   /* for '%' */                            \
      REF (form_integer),   /* for 'd', 'i' */                       \
      REF (form_unsigned),  /* for 'u' */                            \
      REF (form_octal),            /* for 'o' */                            \
      REF (form_hexa),             /* for 'X', 'x' */                       \
      REF (form_float),            /* for 'E', 'e', 'F', 'f', 'G', 'g' */          \
      REF (form_character), /* for 'c' */                            \
      REF (form_string),    /* for 's', 'S' */                       \
      REF (form_pointer),   /* for 'p' */                            \
      REF (form_number),    /* for 'n' */                            \
      REF (form_strerror),  /* for 'm' */                            \
      REF (form_wcharacter),       /* for 'C' */                            \
      REF (form_floathex),  /* for 'A', 'a' */                       \
      REF (mod_ptrdiff_t),      /* for 't' */                               \
      REF (mod_intmax_t),       /* for 'j' */                               \
      REF (flag_i18n),              /* for 'I' */                                  \
    };                                                               \
    /* Step 1: after processing width.  */                                  \
    static JUMP_TABLE_TYPE step1_jumps[30] =                                \
    {                                                                \
      REF (form_unknown),                                            \
      REF (form_unknown),   /* for ' ' */                            \
      REF (form_unknown),   /* for '+' */                            \
      REF (form_unknown),   /* for '-' */                            \
      REF (form_unknown),   /* for '<hash>' */                       \
      REF (form_unknown),   /* for '0' */                            \
      REF (form_unknown),   /* for '\'' */                                  \
      REF (form_unknown),   /* for '*' */                            \
      REF (form_unknown),   /* for '1'...'9' */                      \
      REF (precision),             /* for '.' */                            \
      REF (mod_half),              /* for 'h' */                            \
      REF (mod_long),              /* for 'l' */                            \
      REF (mod_longlong),   /* for 'L', 'q' */                       \
      REF (mod_size_t),            /* for 'z', 'Z' */                       \
      REF (form_percent),   /* for '%' */                            \
      REF (form_integer),   /* for 'd', 'i' */                       \
      REF (form_unsigned),  /* for 'u' */                            \
      REF (form_octal),            /* for 'o' */                            \
      REF (form_hexa),             /* for 'X', 'x' */                       \
      REF (form_float),            /* for 'E', 'e', 'F', 'f', 'G', 'g' */          \
      REF (form_character), /* for 'c' */                            \
      REF (form_string),    /* for 's', 'S' */                       \
      REF (form_pointer),   /* for 'p' */                            \
      REF (form_number),    /* for 'n' */                            \
      REF (form_strerror),  /* for 'm' */                            \
      REF (form_wcharacter),       /* for 'C' */                            \
      REF (form_floathex),  /* for 'A', 'a' */                       \
      REF (mod_ptrdiff_t),      /* for 't' */                               \
      REF (mod_intmax_t),       /* for 'j' */                               \
      REF (form_unknown)        /* for 'I' */                               \
    };                                                               \
    /* Step 2: after processing precision.  */                              \
    static JUMP_TABLE_TYPE step2_jumps[30] =                                \
    {                                                                \
      REF (form_unknown),                                            \
      REF (form_unknown),   /* for ' ' */                            \
      REF (form_unknown),   /* for '+' */                            \
      REF (form_unknown),   /* for '-' */                            \
      REF (form_unknown),   /* for '<hash>' */                       \
      REF (form_unknown),   /* for '0' */                            \
      REF (form_unknown),   /* for '\'' */                                  \
      REF (form_unknown),   /* for '*' */                            \
      REF (form_unknown),   /* for '1'...'9' */                      \
      REF (form_unknown),   /* for '.' */                            \
      REF (mod_half),              /* for 'h' */                            \
      REF (mod_long),              /* for 'l' */                            \
      REF (mod_longlong),   /* for 'L', 'q' */                       \
      REF (mod_size_t),            /* for 'z', 'Z' */                       \
      REF (form_percent),   /* for '%' */                            \
      REF (form_integer),   /* for 'd', 'i' */                       \
      REF (form_unsigned),  /* for 'u' */                            \
      REF (form_octal),            /* for 'o' */                            \
      REF (form_hexa),             /* for 'X', 'x' */                       \
      REF (form_float),            /* for 'E', 'e', 'F', 'f', 'G', 'g' */          \
      REF (form_character), /* for 'c' */                            \
      REF (form_string),    /* for 's', 'S' */                       \
      REF (form_pointer),   /* for 'p' */                            \
      REF (form_number),    /* for 'n' */                            \
      REF (form_strerror),  /* for 'm' */                            \
      REF (form_wcharacter),       /* for 'C' */                            \
      REF (form_floathex),  /* for 'A', 'a' */                       \
      REF (mod_ptrdiff_t),      /* for 't' */                               \
      REF (mod_intmax_t),       /* for 'j' */                               \
      REF (form_unknown)        /* for 'I' */                               \
    };                                                               \
    /* Step 3a: after processing first 'h' modifier.  */                    \
    static JUMP_TABLE_TYPE step3a_jumps[30] =                               \
    {                                                                \
      REF (form_unknown),                                            \
      REF (form_unknown),   /* for ' ' */                            \
      REF (form_unknown),   /* for '+' */                            \
      REF (form_unknown),   /* for '-' */                            \
      REF (form_unknown),   /* for '<hash>' */                       \
      REF (form_unknown),   /* for '0' */                            \
      REF (form_unknown),   /* for '\'' */                                  \
      REF (form_unknown),   /* for '*' */                            \
      REF (form_unknown),   /* for '1'...'9' */                      \
      REF (form_unknown),   /* for '.' */                            \
      REF (mod_halfhalf),   /* for 'h' */                            \
      REF (form_unknown),   /* for 'l' */                            \
      REF (form_unknown),   /* for 'L', 'q' */                       \
      REF (form_unknown),   /* for 'z', 'Z' */                       \
      REF (form_percent),   /* for '%' */                            \
      REF (form_integer),   /* for 'd', 'i' */                       \
      REF (form_unsigned),  /* for 'u' */                            \
      REF (form_octal),            /* for 'o' */                            \
      REF (form_hexa),             /* for 'X', 'x' */                       \
      REF (form_unknown),   /* for 'E', 'e', 'F', 'f', 'G', 'g' */          \
      REF (form_unknown),   /* for 'c' */                            \
      REF (form_unknown),   /* for 's', 'S' */                       \
      REF (form_unknown),   /* for 'p' */                            \
      REF (form_number),    /* for 'n' */                            \
      REF (form_unknown),   /* for 'm' */                            \
      REF (form_unknown),   /* for 'C' */                            \
      REF (form_unknown),   /* for 'A', 'a' */                       \
      REF (form_unknown),       /* for 't' */                               \
      REF (form_unknown),       /* for 'j' */                               \
      REF (form_unknown)        /* for 'I' */                               \
    };                                                               \
    /* Step 3b: after processing first 'l' modifier.  */                    \
    static JUMP_TABLE_TYPE step3b_jumps[30] =                               \
    {                                                                \
      REF (form_unknown),                                            \
      REF (form_unknown),   /* for ' ' */                            \
      REF (form_unknown),   /* for '+' */                            \
      REF (form_unknown),   /* for '-' */                            \
      REF (form_unknown),   /* for '<hash>' */                       \
      REF (form_unknown),   /* for '0' */                            \
      REF (form_unknown),   /* for '\'' */                                  \
      REF (form_unknown),   /* for '*' */                            \
      REF (form_unknown),   /* for '1'...'9' */                      \
      REF (form_unknown),   /* for '.' */                            \
      REF (form_unknown),   /* for 'h' */                            \
      REF (mod_longlong),   /* for 'l' */                            \
      REF (form_unknown),   /* for 'L', 'q' */                       \
      REF (form_unknown),   /* for 'z', 'Z' */                       \
      REF (form_percent),   /* for '%' */                            \
      REF (form_integer),   /* for 'd', 'i' */                       \
      REF (form_unsigned),  /* for 'u' */                            \
      REF (form_octal),            /* for 'o' */                            \
      REF (form_hexa),             /* for 'X', 'x' */                       \
      REF (form_float),            /* for 'E', 'e', 'F', 'f', 'G', 'g' */          \
      REF (form_character), /* for 'c' */                            \
      REF (form_string),    /* for 's', 'S' */                       \
      REF (form_pointer),   /* for 'p' */                            \
      REF (form_number),    /* for 'n' */                            \
      REF (form_strerror),  /* for 'm' */                            \
      REF (form_wcharacter),       /* for 'C' */                            \
      REF (form_floathex),  /* for 'A', 'a' */                       \
      REF (form_unknown),       /* for 't' */                               \
      REF (form_unknown),       /* for 'j' */                               \
      REF (form_unknown)        /* for 'I' */                               \
    }

#define STEP4_TABLE                                                  \
    /* Step 4: processing format specifier.  */                             \
    static JUMP_TABLE_TYPE step4_jumps[30] =                                \
    {                                                                \
      REF (form_unknown),                                            \
      REF (form_unknown),   /* for ' ' */                            \
      REF (form_unknown),   /* for '+' */                            \
      REF (form_unknown),   /* for '-' */                            \
      REF (form_unknown),   /* for '<hash>' */                       \
      REF (form_unknown),   /* for '0' */                            \
      REF (form_unknown),   /* for '\'' */                                  \
      REF (form_unknown),   /* for '*' */                            \
      REF (form_unknown),   /* for '1'...'9' */                      \
      REF (form_unknown),   /* for '.' */                            \
      REF (form_unknown),   /* for 'h' */                            \
      REF (form_unknown),   /* for 'l' */                            \
      REF (form_unknown),   /* for 'L', 'q' */                       \
      REF (form_unknown),   /* for 'z', 'Z' */                       \
      REF (form_percent),   /* for '%' */                            \
      REF (form_integer),   /* for 'd', 'i' */                       \
      REF (form_unsigned),  /* for 'u' */                            \
      REF (form_octal),            /* for 'o' */                            \
      REF (form_hexa),             /* for 'X', 'x' */                       \
      REF (form_float),            /* for 'E', 'e', 'F', 'f', 'G', 'g' */          \
      REF (form_character), /* for 'c' */                            \
      REF (form_string),    /* for 's', 'S' */                       \
      REF (form_pointer),   /* for 'p' */                            \
      REF (form_number),    /* for 'n' */                            \
      REF (form_strerror),  /* for 'm' */                            \
      REF (form_wcharacter),       /* for 'C' */                            \
      REF (form_floathex),  /* for 'A', 'a' */                       \
      REF (form_unknown),       /* for 't' */                               \
      REF (form_unknown),       /* for 'j' */                               \
      REF (form_unknown)        /* for 'I' */                               \
    }


#define process_arg(fspec)                                           \
      /* Start real work.  We know about all flags and modifiers and        \
        now process the wanted format specifier.  */                        \
    LABEL (form_percent):                                            \
      /* Write a literal "%".  */                                    \
      outchar (L_('%'));                                             \
      break;                                                         \
                                                                     \
    LABEL (form_integer):                                            \
      /* Signed decimal integer.  */                                        \
      base = 10;                                                     \
                                                                     \
      if (is_longlong)                                                      \
       {                                                             \
         long long int signed_number;                                       \
                                                                     \
         if (fspec == NULL)                                          \
           signed_number = va_arg (ap, long long int);                      \
         else                                                        \
           signed_number = args_value[fspec->data_arg].pa_long_long_int;     \
                                                                     \
         is_negative = signed_number < 0;                            \
         number.longlong = is_negative ? (- signed_number) : signed_number;  \
                                                                     \
         goto LABEL (longlong_number);                                      \
       }                                                             \
      else                                                           \
       {                                                             \
         long int signed_number;                                     \
                                                                     \
         if (fspec == NULL)                                          \
           {                                                         \
             if (is_long_num)                                               \
              signed_number = va_arg (ap, long int);                        \
             else if (is_char)                                              \
               signed_number = (signed char) va_arg (ap, unsigned int);      \
             else if (!is_short)                                     \
              signed_number = va_arg (ap, int);                      \
             else                                                    \
              signed_number = (short int) va_arg (ap, unsigned int);        \
           }                                                         \
         else                                                        \
           if (is_long_num)                                          \
             signed_number = args_value[fspec->data_arg].pa_long_int;       \
           else if (is_char)                                                \
             signed_number = (signed char)                                  \
              args_value[fspec->data_arg].pa_u_int;                         \
           else if (!is_short)                                              \
             signed_number = args_value[fspec->data_arg].pa_int;            \
           else                                                      \
             signed_number = (short int)                             \
              args_value[fspec->data_arg].pa_u_int;                         \
                                                                     \
         is_negative = signed_number < 0;                            \
         number.word = is_negative ? (- signed_number) : signed_number;      \
                                                                     \
         goto LABEL (number);                                               \
       }                                                             \
      /* NOTREACHED */                                                      \
                                                                     \
    LABEL (form_unsigned):                                           \
      /* Unsigned decimal integer.  */                                      \
      base = 10;                                                     \
      goto LABEL (unsigned_number);                                         \
      /* NOTREACHED */                                                      \
                                                                     \
    LABEL (form_octal):                                                     \
      /* Unsigned octal integer.  */                                        \
      base = 8;                                                             \
      goto LABEL (unsigned_number);                                         \
      /* NOTREACHED */                                                      \
                                                                     \
    LABEL (form_hexa):                                                      \
      /* Unsigned hexadecimal integer.  */                                  \
      base = 16;                                                     \
                                                                     \
    LABEL (unsigned_number):         /* Unsigned number of base BASE.  */          \
                                                                     \
      /* ISO specifies the `+' and ` ' flags only for signed                \
        conversions.  */                                             \
      is_negative = 0;                                                      \
      showsign = 0;                                                  \
      space = 0;                                                     \
                                                                     \
      if (is_longlong)                                                      \
       {                                                             \
         if (fspec == NULL)                                          \
           number.longlong = va_arg (ap, unsigned long long int);           \
         else                                                        \
           number.longlong = args_value[fspec->data_arg].pa_u_long_long_int; \
                                                                     \
       LABEL (longlong_number):                                      \
         if (prec < 0)                                                      \
           /* Supply a default precision if none was given.  */             \
           prec = 1;                                                 \
         else                                                        \
           /* We have to take care for the '0' flag.  If a precision        \
              is given it must be ignored.  */                              \
           pad = L_(' ');                                            \
                                                                     \
         /* If the precision is 0 and the number is 0 nothing has to        \
            be written for the number, except for the 'o' format in         \
            alternate form.  */                                      \
         if (prec == 0 && number.longlong == 0)                      \
           {                                                         \
             string = workend;                                              \
             if (base == 8 && alt)                                   \
              *--string = L_('0');                                   \
           }                                                         \
         else                                                        \
           {                                                         \
             /* Put the number in WORK.  */                                 \
             string = _itoa (number.longlong, workend, base,                \
                           spec == L_('X'));                                \
             if (group && grouping)                                         \
              string = group_number (string, workend, grouping,             \
                                   thousands_sep);                          \
                                                                     \
             if (use_outdigits && base == 10)                               \
              string = _i18n_number_rewrite (string, workend, workend);     \
           }                                                         \
         /* Simplify further test for num != 0.  */                         \
         number.word = number.longlong != 0;                                \
       }                                                             \
      else                                                           \
       {                                                             \
         if (fspec == NULL)                                          \
           {                                                         \
             if (is_long_num)                                               \
              number.word = va_arg (ap, unsigned long int);                 \
             else if (is_char)                                              \
               number.word = (unsigned char) va_arg (ap, unsigned int);      \
             else if (!is_short)                                     \
              number.word = va_arg (ap, unsigned int);               \
             else                                                    \
              number.word = (unsigned short int) va_arg (ap, unsigned int); \
           }                                                         \
         else                                                        \
           if (is_long_num)                                          \
             number.word = args_value[fspec->data_arg].pa_u_long_int;       \
           else if (is_char)                                                \
             number.word = (unsigned char)                                  \
              args_value[fspec->data_arg].pa_u_int;                         \
           else if (!is_short)                                              \
             number.word = args_value[fspec->data_arg].pa_u_int;            \
           else                                                      \
             number.word = (unsigned short int)                      \
              args_value[fspec->data_arg].pa_u_int;                         \
                                                                     \
       LABEL (number):                                                      \
         if (prec < 0)                                                      \
           /* Supply a default precision if none was given.  */             \
           prec = 1;                                                 \
         else                                                        \
           /* We have to take care for the '0' flag.  If a precision        \
              is given it must be ignored.  */                              \
           pad = L_(' ');                                            \
                                                                     \
         /* If the precision is 0 and the number is 0 nothing has to        \
            be written for the number, except for the 'o' format in         \
            alternate form.  */                                      \
         if (prec == 0 && number.word == 0)                                 \
           {                                                         \
             string = workend;                                              \
             if (base == 8 && alt)                                   \
              *--string = L_('0');                                   \
           }                                                         \
         else                                                        \
           {                                                         \
             /* Put the number in WORK.  */                                 \
             string = _itoa_word (number.word, workend, base,               \
                               spec == L_('X'));                     \
             if (group && grouping)                                         \
              string = group_number (string, workend, grouping,             \
                                   thousands_sep);                          \
                                                                     \
             if (use_outdigits && base == 10)                               \
              string = _i18n_number_rewrite (string, workend, workend);     \
           }                                                         \
       }                                                             \
                                                                     \
      if (prec <= workend - string && number.word != 0 && alt && base == 8)   \
       /* Add octal marker.  */                                      \
       *--string = L_('0');                                          \
                                                                     \
      prec = MAX (0, prec - (workend - string));                     \
                                                                     \
      if (!left)                                                     \
       {                                                             \
         width -= workend - string + prec;                                  \
                                                                     \
         if (number.word != 0 && alt && base == 16)                         \
           /* Account for 0X hex marker.  */                                \
           width -= 2;                                                      \
                                                                     \
         if (is_negative || showsign || space)                              \
           --width;                                                  \
                                                                     \
         if (pad == L_(' '))                                                \
           {                                                         \
             PAD (L_(' '));                                          \
             width = 0;                                              \
           }                                                         \
                                                                     \
         if (is_negative)                                            \
           outchar (L_('-'));                                               \
         else if (showsign)                                          \
           outchar (L_('+'));                                               \
         else if (space)                                             \
           outchar (L_(' '));                                               \
                                                                     \
         if (number.word != 0 && alt && base == 16)                         \
           {                                                         \
             outchar (L_('0'));                                      \
             outchar (spec);                                                \
           }                                                         \
                                                                     \
         width += prec;                                              \
         PAD (L_('0'));                                              \
                                                                     \
         outstring (string, workend - string);                              \
                                                                     \
         break;                                                      \
       }                                                             \
      else                                                           \
       {                                                             \
         if (is_negative)                                            \
           {                                                         \
             outchar (L_('-'));                                      \
             --width;                                                       \
           }                                                         \
         else if (showsign)                                          \
           {                                                         \
             outchar (L_('+'));                                      \
             --width;                                                       \
           }                                                         \
         else if (space)                                             \
           {                                                         \
             outchar (L_(' '));                                      \
             --width;                                                       \
           }                                                         \
                                                                     \
         if (number.word != 0 && alt && base == 16)                         \
           {                                                         \
             outchar (L_('0'));                                      \
             outchar (spec);                                                \
             width -= 2;                                             \
           }                                                         \
                                                                     \
         width -= workend - string + prec;                                  \
                                                                     \
         if (prec > 0)                                                      \
           {                                                         \
             int temp = width;                                              \
             width = prec;                                           \
             PAD (L_('0'));                                          \
             width = temp;                                           \
           }                                                         \
                                                                     \
         outstring (string, workend - string);                              \
                                                                     \
         PAD (L_(' '));                                              \
         break;                                                      \
       }                                                             \
                                                                     \
    LABEL (form_float):                                                     \
      {                                                                     \
       /* Floating-point number.  This is handled by printf_fp.c.  */       \
       const void *ptr;                                              \
       int function_done;                                            \
                                                                     \
       if (fspec == NULL)                                            \
         {                                                           \
           if (__ldbl_is_dbl)                                               \
             is_long_double = 0;                                     \
                                                                     \
           struct printf_info info = { .prec = prec,                        \
                                   .width = width,                          \
                                   .spec = spec,                     \
                                   .is_long_double = is_long_double,     \
                                   .is_short = is_short,                    \
                                   .is_long = is_long,               \
                                   .alt = alt,                       \
                                   .space = space,                          \
                                   .left = left,                     \
                                   .showsign = showsign,                    \
                                   .group = group,                          \
                                   .pad = pad,                       \
                                   .extra = 0,                       \
                                   .i18n = use_outdigits,                   \
                                   .wide = sizeof (CHAR_T) != 1 };          \
                                                                     \
           if (is_long_double)                                              \
             the_arg.pa_long_double = va_arg (ap, long double);             \
           else                                                      \
             the_arg.pa_double = va_arg (ap, double);                       \
           ptr = (const void *) &the_arg;                            \
                                                                     \
           function_done = __printf_fp (s, &info, &ptr);                    \
         }                                                           \
       else                                                          \
         {                                                           \
           ptr = (const void *) &args_value[fspec->data_arg];               \
           if (__ldbl_is_dbl)                                               \
             {                                                              \
              fspec->data_arg_type = PA_DOUBLE;                      \
              fspec->info.is_long_double = 0;                               \
             }                                                              \
                                                                     \
           function_done = __printf_fp (s, &fspec->info, &ptr);             \
         }                                                           \
                                                                     \
       if (function_done < 0)                                               \
         {                                                           \
           /* Error in print handler.  */                            \
           done = -1;                                                       \
           goto all_done;                                            \
         }                                                           \
                                                                     \
       done_add (function_done);                                     \
      }                                                                     \
      break;                                                         \
                                                                     \
    LABEL (form_floathex):                                           \
      {                                                                     \
        /* Floating point number printed as hexadecimal number.  */         \
       const void *ptr;                                              \
       int function_done;                                            \
                                                                     \
       if (fspec == NULL)                                            \
         {                                                           \
           if (__ldbl_is_dbl)                                               \
             is_long_double = 0;                                     \
                                                                     \
           struct printf_info info = { .prec = prec,                        \
                                   .width = width,                          \
                                   .spec = spec,                     \
                                   .is_long_double = is_long_double,     \
                                   .is_short = is_short,                    \
                                   .is_long = is_long,               \
                                   .alt = alt,                       \
                                   .space = space,                          \
                                   .left = left,                     \
                                   .showsign = showsign,                    \
                                   .group = group,                          \
                                   .pad = pad,                       \
                                   .extra = 0,                       \
                                   .wide = sizeof (CHAR_T) != 1 };          \
                                                                     \
           if (is_long_double)                                              \
             the_arg.pa_long_double = va_arg (ap, long double);             \
           else                                                      \
             the_arg.pa_double = va_arg (ap, double);                       \
           ptr = (const void *) &the_arg;                            \
                                                                     \
           function_done = __printf_fphex (s, &info, &ptr);                 \
         }                                                           \
       else                                                          \
         {                                                           \
           ptr = (const void *) &args_value[fspec->data_arg];               \
           if (__ldbl_is_dbl)                                               \
             fspec->info.is_long_double = 0;                                \
                                                                     \
           function_done = __printf_fphex (s, &fspec->info, &ptr);          \
         }                                                           \
                                                                     \
       if (function_done < 0)                                               \
         {                                                           \
           /* Error in print handler.  */                            \
           done = -1;                                                       \
           goto all_done;                                            \
         }                                                           \
                                                                     \
       done_add (function_done);                                     \
      }                                                                     \
      break;                                                         \
                                                                     \
    LABEL (form_pointer):                                            \
      /* Generic pointer.  */                                               \
      {                                                                     \
       const void *ptr;                                              \
       if (fspec == NULL)                                            \
         ptr = va_arg (ap, void *);                                         \
       else                                                          \
         ptr = args_value[fspec->data_arg].pa_pointer;                      \
       if (ptr != NULL)                                              \
         {                                                           \
           /* If the pointer is not NULL, write it as a %#x spec.  */       \
           base = 16;                                                       \
           number.word = (unsigned long int) ptr;                           \
           is_negative = 0;                                          \
           alt = 1;                                                  \
           group = 0;                                                       \
           spec = L_('x');                                           \
           goto LABEL (number);                                      \
         }                                                           \
       else                                                          \
         {                                                           \
           /* Write "(nil)" for a nil pointer.  */                          \
           string = (CHAR_T *) L_("(nil)");                                 \
           /* Make sure the full string "(nil)" is printed.  */             \
           if (prec < 5)                                             \
             prec = 5;                                                      \
           is_long = 0;     /* This is no wide-char string.  */             \
           goto LABEL (print_string);                                       \
         }                                                           \
      }                                                                     \
      /* NOTREACHED */                                                      \
                                                                     \
    LABEL (form_number):                                             \
      if (s->_flags2 & _IO_FLAGS2_FORTIFY)                                  \
       {                                                             \
         if (! readonly_format)                                      \
           {                                                         \
             extern int __readonly_area (const void *, size_t)              \
              attribute_hidden;                                      \
             readonly_format                                                \
              = __readonly_area (format, ((STR_LEN (format) + 1)            \
                                       * sizeof (CHAR_T)));          \
           }                                                         \
         if (readonly_format < 0)                                    \
           __libc_fatal ("*** %n in writable segment detected ***\n");             \
       }                                                             \
      /* Answer the count of characters written.  */                        \
      if (fspec == NULL)                                             \
       {                                                             \
         if (is_longlong)                                            \
           *(long long int *) va_arg (ap, void *) = done;                   \
         else if (is_long_num)                                              \
           *(long int *) va_arg (ap, void *) = done;                        \
         else if (is_char)                                           \
           *(char *) va_arg (ap, void *) = done;                     \
         else if (!is_short)                                                \
           *(int *) va_arg (ap, void *) = done;                      \
         else                                                        \
           *(short int *) va_arg (ap, void *) = done;                       \
       }                                                             \
      else                                                           \
       if (is_longlong)                                              \
         *(long long int *) args_value[fspec->data_arg].pa_pointer = done;   \
       else if (is_long_num)                                                \
         *(long int *) args_value[fspec->data_arg].pa_pointer = done;       \
       else if (is_char)                                             \
         *(char *) args_value[fspec->data_arg].pa_pointer = done;           \
       else if (!is_short)                                           \
         *(int *) args_value[fspec->data_arg].pa_pointer = done;            \
       else                                                          \
         *(short int *) args_value[fspec->data_arg].pa_pointer = done;             \
      break;                                                         \
                                                                     \
    LABEL (form_strerror):                                           \
      /* Print description of error ERRNO.  */                              \
      string =                                                              \
       (CHAR_T *) __strerror_r (save_errno, (char *) work_buffer,           \
                             sizeof work_buffer);                           \
      is_long = 0;          /* This is no wide-char string.  */             \
      goto LABEL (print_string)

#ifdef COMPILE_WPRINTF
# define process_string_arg(fspec) \
    LABEL (form_character):                                          \
      /* Character.  */                                                     \
      if (is_long)                                                   \
       goto LABEL (form_wcharacter);                                        \
      --width;       /* Account for the character itself.  */               \
      if (!left)                                                     \
       PAD (L' ');                                                   \
      if (fspec == NULL)                                             \
       outchar (__btowc ((unsigned char) va_arg (ap, int))); /* Promoted. */ \
      else                                                           \
       outchar (__btowc ((unsigned char)                             \
                       args_value[fspec->data_arg].pa_int));                \
      if (left)                                                             \
       PAD (L' ');                                                   \
      break;                                                         \
                                                                     \
    LABEL (form_wcharacter):                                                \
      {                                                                     \
       /* Wide character.  */                                               \
       --width;                                                      \
       if (!left)                                                    \
         PAD (L' ');                                                 \
        if (fspec == NULL)                                           \
         outchar (va_arg (ap, wchar_t));                             \
       else                                                          \
         outchar (args_value[fspec->data_arg].pa_wchar);                    \
       if (left)                                                     \
         PAD (L' ');                                                 \
      }                                                                     \
      break;                                                         \
                                                                     \
    LABEL (form_string):                                             \
      {                                                                     \
       size_t len;                                                   \
       int string_malloced;                                          \
                                                                     \
       /* The string argument could in fact be `char *' or `wchar_t *'.      \
          But this should not make a difference here.  */                   \
       if (fspec == NULL)                                            \
         string = (CHAR_T *) va_arg (ap, const wchar_t *);                  \
       else                                                          \
         string = (CHAR_T *) args_value[fspec->data_arg].pa_wstring;        \
                                                                     \
       /* Entry point for printing other strings.  */                       \
      LABEL (print_string):                                          \
                                                                     \
       string_malloced = 0;                                          \
       if (string == NULL)                                           \
         {                                                           \
           /* Write "(null)" if there's space.  */                          \
           if (prec == -1                                            \
              || prec >= (int) (sizeof (null) / sizeof (null[0])) - 1)      \
             {                                                              \
              string = (CHAR_T *) null;                              \
              len = (sizeof (null) / sizeof (null[0])) - 1;                 \
             }                                                              \
           else                                                      \
             {                                                              \
              string = (CHAR_T *) L"";                               \
              len = 0;                                               \
             }                                                              \
         }                                                           \
       else if (!is_long && spec != L_('S'))                                \
         {                                                           \
           /* This is complicated.  We have to transform the multibyte             \
              string into a wide character string.  */                      \
           const char *mbs = (const char *) string;                         \
           mbstate_t mbstate;                                               \
                                                                     \
           len = prec != -1 ? __strnlen (mbs, (size_t) prec) : strlen (mbs); \
                                                                     \
           /* Allocate dynamically an array which definitely is long        \
              enough for the wide character version.  Each byte in the             \
              multi-byte string can produce at most one wide character.  */  \
           if (__libc_use_alloca (len * sizeof (wchar_t)))                  \
             string = (CHAR_T *) alloca (len * sizeof (wchar_t));           \
           else if ((string = (CHAR_T *) malloc (len * sizeof (wchar_t)))    \
                   == NULL)                                          \
             {                                                              \
              done = -1;                                             \
              goto all_done;                                                \
             }                                                              \
           else                                                      \
             string_malloced = 1;                                    \
                                                                     \
           memset (&mbstate, '\0', sizeof (mbstate_t));              \
           len = __mbsrtowcs (string, &mbs, len, &mbstate);                 \
           if (len == (size_t) -1)                                   \
             {                                                              \
              /* Illegal multibyte character.  */                           \
              done = -1;                                             \
              goto all_done;                                                \
             }                                                              \
         }                                                           \
       else                                                          \
         {                                                           \
           if (prec != -1)                                           \
             /* Search for the end of the string, but don't search past      \
               the length specified by the precision.  */                   \
             len = __wcsnlen (string, prec);                                \
           else                                                      \
             len = __wcslen (string);                                       \
         }                                                           \
                                                                     \
       if ((width -= len) < 0)                                              \
         {                                                           \
           outstring (string, len);                                         \
           break;                                                    \
         }                                                           \
                                                                     \
       if (!left)                                                    \
         PAD (L' ');                                                 \
       outstring (string, len);                                      \
       if (left)                                                     \
         PAD (L' ');                                                 \
       if (__builtin_expect (string_malloced, 0))                           \
         free (string);                                              \
      }                                                                     \
      break;
#else
# define process_string_arg(fspec) \
    LABEL (form_character):                                          \
      /* Character.  */                                                     \
      if (is_long)                                                   \
       goto LABEL (form_wcharacter);                                        \
      --width;       /* Account for the character itself.  */               \
      if (!left)                                                     \
       PAD (' ');                                                    \
      if (fspec == NULL)                                             \
       outchar ((unsigned char) va_arg (ap, int)); /* Promoted.  */         \
      else                                                           \
       outchar ((unsigned char) args_value[fspec->data_arg].pa_int);        \
      if (left)                                                             \
       PAD (' ');                                                    \
      break;                                                         \
                                                                     \
    LABEL (form_wcharacter):                                                \
      {                                                                     \
       /* Wide character.  */                                               \
       char buf[MB_CUR_MAX];                                                \
       mbstate_t mbstate;                                            \
       size_t len;                                                   \
                                                                     \
       memset (&mbstate, '\0', sizeof (mbstate_t));                         \
       len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wchar_t)          \
                            : args_value[fspec->data_arg].pa_wchar),        \
                      &mbstate);                                     \
       if (len == (size_t) -1)                                              \
         {                                                           \
           /* Something went wron gduring the conversion.  Bail out.  */     \
           done = -1;                                                       \
           goto all_done;                                            \
         }                                                           \
       width -= len;                                                 \
       if (!left)                                                    \
         PAD (' ');                                                  \
       outstring (buf, len);                                                \
       if (left)                                                     \
         PAD (' ');                                                  \
      }                                                                     \
      break;                                                         \
                                                                     \
    LABEL (form_string):                                             \
      {                                                                     \
       size_t len;                                                   \
       int string_malloced;                                          \
                                                                     \
       /* The string argument could in fact be `char *' or `wchar_t *'.      \
          But this should not make a difference here.  */                   \
       if (fspec == NULL)                                            \
         string = (char *) va_arg (ap, const char *);                       \
       else                                                          \
         string = (char *) args_value[fspec->data_arg].pa_string;           \
                                                                     \
       /* Entry point for printing other strings.  */                       \
      LABEL (print_string):                                          \
                                                                     \
       string_malloced = 0;                                          \
       if (string == NULL)                                           \
         {                                                           \
           /* Write "(null)" if there's space.  */                          \
           if (prec == -1 || prec >= (int) sizeof (null) - 1)               \
             {                                                              \
              string = (char *) null;                                       \
              len = sizeof (null) - 1;                               \
             }                                                              \
           else                                                      \
             {                                                              \
              string = (char *) "";                                         \
              len = 0;                                               \
             }                                                              \
         }                                                           \
       else if (!is_long && spec != L_('S'))                                \
         {                                                           \
           if (prec != -1)                                           \
             {                                                              \
              /* Search for the end of the string, but don't search past    \
                 the length (in bytes) specified by the precision.  Also    \
                 don't use incomplete characters.  */                       \
              if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MB_CUR_MAX) == 1)   \
                len = __strnlen (string, prec);                      \
              else                                                   \
                {                                                    \
                  /* In case we have a multibyte character set the          \
                     situation is more complicated.  We must not copy       \
                     bytes at the end which form an incomplete character. */\
                  size_t ignore_size = (unsigned) prec > 1024 ? 1024 : prec;\
                  wchar_t ignore[ignore_size];                       \
                  const char *str2 = string;                                \
                  const char *strend = string + prec;                       \
                  if (strend < string)                               \
                    strend = (const char *) UINTPTR_MAX;                    \
                                                                     \
                  mbstate_t ps;                                      \
                  memset (&ps, '\0', sizeof (ps));                          \
                                                                     \
                  while (str2 != NULL && str2 < strend)              \
                    if (__mbsnrtowcs (ignore, &str2, strend - str2,         \
                                   ignore_size, &ps) == (size_t) -1)     \
                     {                                               \
                       done = -1;                                    \
                       goto all_done;                                \
                     }                                               \
                                                                     \
                  if (str2 == NULL)                                         \
                    len = strlen (string);                                  \
                  else                                               \
                    len = str2 - string - (ps.__count & 7);                 \
                }                                                    \
             }                                                              \
           else                                                      \
             len = strlen (string);                                         \
         }                                                           \
       else                                                          \
         {                                                           \
           const wchar_t *s2 = (const wchar_t *) string;                    \
           mbstate_t mbstate;                                               \
                                                                     \
           memset (&mbstate, '\0', sizeof (mbstate_t));              \
                                                                     \
           if (prec >= 0)                                            \
             {                                                              \
              /* The string `s2' might not be NUL terminated.  */           \
              if (__libc_use_alloca (prec))                                 \
                string = (char *) alloca (prec);                     \
              else if ((string = (char *) malloc (prec)) == NULL)           \
                {                                                    \
                  done = -1;                                                \
                  goto all_done;                                     \
                }                                                    \
              else                                                   \
                string_malloced = 1;                                        \
              len = __wcsrtombs (string, &s2, prec, &mbstate);       \
             }                                                              \
           else                                                      \
             {                                                              \
              len = __wcsrtombs (NULL, &s2, 0, &mbstate);                   \
              if (len != (size_t) -1)                                       \
                {                                                    \
                  assert (__mbsinit (&mbstate));                     \
                  s2 = (const wchar_t *) string;                     \
                  if (__libc_use_alloca (len + 1))                          \
                    string = (char *) alloca (len + 1);              \
                  else if ((string = (char *) malloc (len + 1)) == NULL)    \
                    {                                                       \
                     done = -1;                                      \
                     goto all_done;                                         \
                    }                                                       \
                  else                                               \
                    string_malloced = 1;                             \
                  (void) __wcsrtombs (string, &s2, len + 1, &mbstate);      \
                }                                                    \
             }                                                              \
                                                                     \
           if (len == (size_t) -1)                                   \
             {                                                              \
               /* Illegal wide-character string.  */                        \
              done = -1;                                             \
              goto all_done;                                                \
             }                                                              \
         }                                                           \
                                                                     \
       if ((width -= len) < 0)                                              \
         {                                                           \
           outstring (string, len);                                         \
           break;                                                    \
         }                                                           \
                                                                     \
       if (!left)                                                    \
         PAD (' ');                                                  \
       outstring (string, len);                                      \
       if (left)                                                     \
         PAD (' ');                                                  \
       if (__builtin_expect (string_malloced, 0))                           \
         free (string);                                              \
      }                                                                     \
      break;
#endif

  /* Orient the stream.  */
#ifdef ORIENT
  ORIENT;
#endif

  /* Sanity check of arguments.  */
  ARGCHECK (s, format);

#ifdef ORIENT
  /* Check for correct orientation.  */
  if (_IO_vtable_offset (s) == 0 &&
      _IO_fwide (s, sizeof (CHAR_T) == 1 ? -1 : 1)
      != (sizeof (CHAR_T) == 1 ? -1 : 1))
    /* The stream is already oriented otherwise.  */
    return EOF;
#endif

  if (UNBUFFERED_P (s))
    /* Use a helper function which will allocate a local temporary buffer
       for the stream and then call us again.  */
    return buffered_vfprintf (s, format, ap);

  /* Initialize local variables.  */
  done = 0;
  grouping = (const char *) -1;
#ifdef __va_copy
  /* This macro will be available soon in gcc's <stdarg.h>.  We need it
     since on some systems `va_list' is not an integral type.  */
  __va_copy (ap_save, ap);
#else
  ap_save = ap;
#endif
  nspecs_done = 0;

#ifdef COMPILE_WPRINTF
  /* Find the first format specifier.  */
  f = lead_str_end = __find_specwc ((const UCHAR_T *) format);
#else
  /* Find the first format specifier.  */
  f = lead_str_end = __find_specmb ((const UCHAR_T *) format);
#endif

  /* Lock stream.  */
  _IO_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s);
  _IO_flockfile (s);

  /* Write the literal text before the first format.  */
  outstring ((const UCHAR_T *) format,
            lead_str_end - (const UCHAR_T *) format);

  /* If we only have to print a simple string, return now.  */
  if (*f == L_('\0'))
    goto all_done;

  /* Process whole format string.  */
  do
    {
#ifdef SHARED
# define REF(Name) &&do_##Name - &&do_form_unknown
#else
# define REF(Name) &&do_##Name
#endif
#define LABEL(Name) do_##Name
      STEP0_3_TABLE;
      STEP4_TABLE;

      union printf_arg *args_value;       /* This is not used here but ... */
      int is_negative;      /* Flag for negative number.  */
      union
      {
       unsigned long long int longlong;
       unsigned long int word;
      } number;
      int base;
      union printf_arg the_arg;
      CHAR_T *string;       /* Pointer to argument string.  */
      int alt = 0;   /* Alternate format.  */
      int space = 0; /* Use space prefix if no sign is needed.  */
      int left = 0;  /* Left-justify output.  */
      int showsign = 0;     /* Always begin with plus or minus sign.  */
      int group = 0; /* Print numbers according grouping rules.  */
      int is_long_double = 0; /* Argument is long double/ long long int.  */
      int is_short = 0;     /* Argument is short int.  */
      int is_long = 0;      /* Argument is long int.  */
      int is_char = 0;      /* Argument is promoted (unsigned) char.  */
      int width = 0; /* Width of output; 0 means none specified.  */
      int prec = -1; /* Precision of output; -1 means none specified.  */
      /* This flag is set by the 'I' modifier and selects the use of the
        `outdigits' as determined by the current locale.  */
      int use_outdigits = 0;
      UCHAR_T pad = L_(' ');/* Padding character.  */
      CHAR_T spec;

      workstart = NULL;
      workend = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)];

      /* Get current character in format string.  */
      JUMP (*++f, step0_jumps);

      /* ' ' flag.  */
    LABEL (flag_space):
      space = 1;
      JUMP (*++f, step0_jumps);

      /* '+' flag.  */
    LABEL (flag_plus):
      showsign = 1;
      JUMP (*++f, step0_jumps);

      /* The '-' flag.  */
    LABEL (flag_minus):
      left = 1;
      pad = L_(' ');
      JUMP (*++f, step0_jumps);

      /* The '#' flag.  */
    LABEL (flag_hash):
      alt = 1;
      JUMP (*++f, step0_jumps);

      /* The '0' flag.  */
    LABEL (flag_zero):
      if (!left)
       pad = L_('0');
      JUMP (*++f, step0_jumps);

      /* The '\'' flag.  */
    LABEL (flag_quote):
      group = 1;

      if (grouping == (const char *) -1)
       {
#ifdef COMPILE_WPRINTF
         thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
                                       _NL_NUMERIC_THOUSANDS_SEP_WC);
#else
         thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
#endif

         grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
         if (*grouping == '\0' || *grouping == CHAR_MAX
#ifdef COMPILE_WPRINTF
             || thousands_sep == L'\0'
#else
             || *thousands_sep == '\0'
#endif
             )
           grouping = NULL;
       }
      JUMP (*++f, step0_jumps);

    LABEL (flag_i18n):
      use_outdigits = 1;
      JUMP (*++f, step0_jumps);

      /* Get width from argument.  */
    LABEL (width_asterics):
      {
       const UCHAR_T *tmp;  /* Temporary value.  */

       tmp = ++f;
       if (ISDIGIT (*tmp) && read_int (&tmp) && *tmp == L_('$'))
         /* The width comes from a positional parameter.  */
         goto do_positional;

       width = va_arg (ap, int);

       /* Negative width means left justified.  */
       if (width < 0)
         {
           width = -width;
           pad = L_(' ');
           left = 1;
         }

       if (width + 32 >= (int) (sizeof (work_buffer)
                             / sizeof (work_buffer[0])))
         {
           /* We have to use a special buffer.  The "32" is just a safe
              bet for all the output which is not counted in the width.  */
           if (__libc_use_alloca ((width + 32) * sizeof (CHAR_T)))
             workend = ((CHAR_T *) alloca ((width + 32) * sizeof (CHAR_T))
                      + (width + 32));
           else
             {
              workstart = (CHAR_T *) malloc ((width + 32) * sizeof (CHAR_T));
              if (workstart == NULL)
                {
                  done = -1;
                  goto all_done;
                }
              workend = workstart + (width + 32);
             }
         }
      }
      JUMP (*f, step1_jumps);

      /* Given width in format string.  */
    LABEL (width):
      width = read_int (&f);

      if (width + 32 >= (int) (sizeof (work_buffer) / sizeof (work_buffer[0])))
       {
         /* We have to use a special buffer.  The "32" is just a safe
            bet for all the output which is not counted in the width.  */
         if (__libc_use_alloca ((width + 32) * sizeof (CHAR_T)))
           workend = ((CHAR_T *) alloca ((width + 32) * sizeof (CHAR_T))
                     + (width + 32));
         else
           {
             workstart = (CHAR_T *) malloc ((width + 32) * sizeof (CHAR_T));
             if (workstart == NULL)
              {
                done = -1;
                goto all_done;
              }
             workend = workstart + (width + 32);
           }
       }
      if (*f == L_('$'))
       /* Oh, oh.  The argument comes from a positional parameter.  */
       goto do_positional;
      JUMP (*f, step1_jumps);

    LABEL (precision):
      ++f;
      if (*f == L_('*'))
       {
         const UCHAR_T *tmp;       /* Temporary value.  */

         tmp = ++f;
         if (ISDIGIT (*tmp) && read_int (&tmp) > 0 && *tmp == L_('$'))
           /* The precision comes from a positional parameter.  */
           goto do_positional;

         prec = va_arg (ap, int);

         /* If the precision is negative the precision is omitted.  */
         if (prec < 0)
           prec = -1;
       }
      else if (ISDIGIT (*f))
       prec = read_int (&f);
      else
       prec = 0;
      if (prec > width
         && prec + 32 > (int)(sizeof (work_buffer) / sizeof (work_buffer[0])))
       {
         if (__builtin_expect (prec > ~((size_t) 0) / sizeof (CHAR_T) - 31,
                            0))
           {
             done = -1;
             goto all_done;
           }
         size_t needed = ((size_t) prec + 32) * sizeof (CHAR_T);

         if (__libc_use_alloca (needed))
           workend = (((CHAR_T *) alloca (needed)) + ((size_t) prec + 32));
         else
           {
             workstart = (CHAR_T *) malloc (needed);
             if (workstart == NULL)
              {
                done = -1;
                goto all_done;
              }
             workend = workstart + ((size_t) prec + 32);
           }
       }
      JUMP (*f, step2_jumps);

      /* Process 'h' modifier.  There might another 'h' following.  */
    LABEL (mod_half):
      is_short = 1;
      JUMP (*++f, step3a_jumps);

      /* Process 'hh' modifier.  */
    LABEL (mod_halfhalf):
      is_short = 0;
      is_char = 1;
      JUMP (*++f, step4_jumps);

      /* Process 'l' modifier.  There might another 'l' following.  */
    LABEL (mod_long):
      is_long = 1;
      JUMP (*++f, step3b_jumps);

      /* Process 'L', 'q', or 'll' modifier.  No other modifier is
        allowed to follow.  */
    LABEL (mod_longlong):
      is_long_double = 1;
      is_long = 1;
      JUMP (*++f, step4_jumps);

    LABEL (mod_size_t):
      is_long_double = sizeof (size_t) > sizeof (unsigned long int);
      is_long = sizeof (size_t) > sizeof (unsigned int);
      JUMP (*++f, step4_jumps);

    LABEL (mod_ptrdiff_t):
      is_long_double = sizeof (ptrdiff_t) > sizeof (unsigned long int);
      is_long = sizeof (ptrdiff_t) > sizeof (unsigned int);
      JUMP (*++f, step4_jumps);

    LABEL (mod_intmax_t):
      is_long_double = sizeof (intmax_t) > sizeof (unsigned long int);
      is_long = sizeof (intmax_t) > sizeof (unsigned int);
      JUMP (*++f, step4_jumps);

      /* Process current format.  */
      while (1)
       {
         process_arg (((struct printf_spec *) NULL));
         process_string_arg (((struct printf_spec *) NULL));

       LABEL (form_unknown):
         if (spec == L_('\0'))
           {
             /* The format string ended before the specifier is complete.  */
             done = -1;
             goto all_done;
           }

         /* If we are in the fast loop force entering the complicated
            one.  */
         goto do_positional;
       }

      /* The format is correctly handled.  */
      ++nspecs_done;

      if (__builtin_expect (workstart != NULL, 0))
       free (workstart);
      workstart = NULL;

      /* Look for next format specifier.  */
#ifdef COMPILE_WPRINTF
      f = __find_specwc ((end_of_spec = ++f));
#else
      f = __find_specmb ((end_of_spec = ++f));
#endif

      /* Write the following constant string.  */
      outstring (end_of_spec, f - end_of_spec);
    }
  while (*f != L_('\0'));

  /* Unlock stream and return.  */
  goto all_done;

  /* Here starts the more complex loop to handle positional parameters.  */
do_positional:
  {
    /* Array with information about the needed arguments.  This has to
       be dynamically extensible.  */
    size_t nspecs = 0;
    size_t nspecs_max = 32; /* A more or less arbitrary start value.  */
    struct printf_spec *specs
      = alloca (nspecs_max * sizeof (struct printf_spec));

    /* The number of arguments the format string requests.  This will
       determine the size of the array needed to store the argument
       attributes.  */
    size_t nargs = 0;
    int *args_type;
    union printf_arg *args_value = NULL;

    /* Positional parameters refer to arguments directly.  This could
       also determine the maximum number of arguments.  Track the
       maximum number.  */
    size_t max_ref_arg = 0;

    /* Just a counter.  */
    size_t cnt;

    free (workstart);
    workstart = NULL;

    if (grouping == (const char *) -1)
      {
#ifdef COMPILE_WPRINTF
       thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
                                     _NL_NUMERIC_THOUSANDS_SEP_WC);
#else
       thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
#endif

       grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
       if (*grouping == '\0' || *grouping == CHAR_MAX)
         grouping = NULL;
      }

    for (f = lead_str_end; *f != L_('\0'); f = specs[nspecs++].next_fmt)
      {
       if (nspecs >= nspecs_max)
         {
           /* Extend the array of format specifiers.  */
           struct printf_spec *old = specs;

           nspecs_max *= 2;
           specs = alloca (nspecs_max * sizeof (struct printf_spec));

           if (specs == &old[nspecs])
             /* Stack grows up, OLD was the last thing allocated;
               extend it.  */
             nspecs_max += nspecs_max / 2;
           else
             {
              /* Copy the old array's elements to the new space.  */
              memcpy (specs, old, nspecs * sizeof (struct printf_spec));
              if (old == &specs[nspecs])
                /* Stack grows down, OLD was just below the new
                   SPECS.  We can use that space when the new space
                   runs out.  */
                nspecs_max += nspecs_max / 2;
             }
         }

       /* Parse the format specifier.  */
#ifdef COMPILE_WPRINTF
       nargs += __parse_one_specwc (f, nargs, &specs[nspecs], &max_ref_arg);
#else
       nargs += __parse_one_specmb (f, nargs, &specs[nspecs], &max_ref_arg);
#endif
      }

    /* Determine the number of arguments the format string consumes.  */
    nargs = MAX (nargs, max_ref_arg);

    /* Allocate memory for the argument descriptions.  */
    args_type = alloca (nargs * sizeof (int));
    memset (args_type, s->_flags2 & _IO_FLAGS2_FORTIFY ? '\xff' : '\0',
           nargs * sizeof (int));
    args_value = alloca (nargs * sizeof (union printf_arg));

    /* XXX Could do sanity check here: If any element in ARGS_TYPE is
       still zero after this loop, format is invalid.  For now we
       simply use 0 as the value.  */

    /* Fill in the types of all the arguments.  */
    for (cnt = 0; cnt < nspecs; ++cnt)
      {
       /* If the width is determined by an argument this is an int.  */
       if (specs[cnt].width_arg != -1)
         args_type[specs[cnt].width_arg] = PA_INT;

       /* If the precision is determined by an argument this is an int.  */
       if (specs[cnt].prec_arg != -1)
         args_type[specs[cnt].prec_arg] = PA_INT;

       switch (specs[cnt].ndata_args)
         {
         case 0:            /* No arguments.  */
           break;
         case 1:            /* One argument; we already have the type.  */
           args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type;
           break;
         default:
           /* We have more than one argument for this format spec.
              We must call the arginfo function again to determine
              all the types.  */
           (void) (*__printf_arginfo_table[specs[cnt].info.spec])
             (&specs[cnt].info,
              specs[cnt].ndata_args, &args_type[specs[cnt].data_arg]);
           break;
         }
      }

    /* Now we know all the types and the order.  Fill in the argument
       values.  */
    for (cnt = 0; cnt < nargs; ++cnt)
      switch (args_type[cnt])
       {
#define T(tag, mem, type)                                            \
       case tag:                                                     \
         args_value[cnt].mem = va_arg (ap_save, type);                      \
         break

       T (PA_CHAR, pa_int, int); /* Promoted.  */
       T (PA_WCHAR, pa_wchar, wint_t);
       T (PA_INT|PA_FLAG_SHORT, pa_int, int); /* Promoted.  */
       T (PA_INT, pa_int, int);
       T (PA_INT|PA_FLAG_LONG, pa_long_int, long int);
       T (PA_INT|PA_FLAG_LONG_LONG, pa_long_long_int, long long int);
       T (PA_FLOAT, pa_double, double);   /* Promoted.  */
       T (PA_DOUBLE, pa_double, double);
       case PA_DOUBLE|PA_FLAG_LONG_DOUBLE:
         if (__ldbl_is_dbl)
           {
             args_value[cnt].pa_double = va_arg (ap_save, double);
             args_type[cnt] &= ~PA_FLAG_LONG_DOUBLE;
           }
         else
           args_value[cnt].pa_long_double = va_arg (ap_save, long double);
         break;
       T (PA_STRING, pa_string, const char *);
       T (PA_WSTRING, pa_wstring, const wchar_t *);
       T (PA_POINTER, pa_pointer, void *);
#undef T
       default:
         if ((args_type[cnt] & PA_FLAG_PTR) != 0)
           args_value[cnt].pa_pointer = va_arg (ap_save, void *);
         else
           args_value[cnt].pa_long_double = 0.0;
         break;
       case -1:
         /* Error case.  Not all parameters appear in N$ format
            strings.  We have no way to determine their type.  */
         assert (s->_flags2 & _IO_FLAGS2_FORTIFY);
         __libc_fatal ("*** invalid %N$ use detected ***\n");
       }

    /* Now walk through all format specifiers and process them.  */
    for (; (size_t) nspecs_done < nspecs; ++nspecs_done)
      {
#undef REF
#ifdef SHARED
# define REF(Name) &&do2_##Name - &&do_form_unknown
#else
# define REF(Name) &&do2_##Name
#endif
#undef LABEL
#define LABEL(Name) do2_##Name
       STEP4_TABLE;

       int is_negative;
       union
       {
         unsigned long long int longlong;
         unsigned long int word;
       } number;
       int base;
       union printf_arg the_arg;
       CHAR_T *string;             /* Pointer to argument string.  */

       /* Fill variables from values in struct.  */
       int alt = specs[nspecs_done].info.alt;
       int space = specs[nspecs_done].info.space;
       int left = specs[nspecs_done].info.left;
       int showsign = specs[nspecs_done].info.showsign;
       int group = specs[nspecs_done].info.group;
       int is_long_double = specs[nspecs_done].info.is_long_double;
       int is_short = specs[nspecs_done].info.is_short;
       int is_char = specs[nspecs_done].info.is_char;
       int is_long = specs[nspecs_done].info.is_long;
       int width = specs[nspecs_done].info.width;
       int prec = specs[nspecs_done].info.prec;
       int use_outdigits = specs[nspecs_done].info.i18n;
       char pad = specs[nspecs_done].info.pad;
       CHAR_T spec = specs[nspecs_done].info.spec;

       workstart = NULL;
       workend = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)];

       /* Fill in last information.  */
       if (specs[nspecs_done].width_arg != -1)
         {
           /* Extract the field width from an argument.  */
           specs[nspecs_done].info.width =
             args_value[specs[nspecs_done].width_arg].pa_int;

           if (specs[nspecs_done].info.width < 0)
             /* If the width value is negative left justification is
               selected and the value is taken as being positive.  */
             {
              specs[nspecs_done].info.width *= -1;
              left = specs[nspecs_done].info.left = 1;
             }
           width = specs[nspecs_done].info.width;
         }

       if (specs[nspecs_done].prec_arg != -1)
         {
           /* Extract the precision from an argument.  */
           specs[nspecs_done].info.prec =
             args_value[specs[nspecs_done].prec_arg].pa_int;

           if (specs[nspecs_done].info.prec < 0)
             /* If the precision is negative the precision is
               omitted.  */
             specs[nspecs_done].info.prec = -1;

           prec = specs[nspecs_done].info.prec;
         }

       /* Maybe the buffer is too small.  */
       if (MAX (prec, width) + 32 > (int) (sizeof (work_buffer)
                                       / sizeof (CHAR_T)))
         {
           if (__libc_use_alloca ((MAX (prec, width) + 32)
                               * sizeof (CHAR_T)))
             workend = ((CHAR_T *) alloca ((MAX (prec, width) + 32)
                                       * sizeof (CHAR_T))
                      + (MAX (prec, width) + 32));
           else
             {
              workstart = (CHAR_T *) malloc ((MAX (prec, width) + 32)
                                          * sizeof (CHAR_T));
              workend = workstart + (MAX (prec, width) + 32);
             }
         }

       /* Process format specifiers.  */
       while (1)
         {
           JUMP (spec, step4_jumps);

           process_arg ((&specs[nspecs_done]));
           process_string_arg ((&specs[nspecs_done]));

         LABEL (form_unknown):
           {
             extern printf_function **__printf_function_table;
             int function_done;
             printf_function *function;
             unsigned int i;
             const void **ptr;

             function =
              (__printf_function_table == NULL ? NULL :
               __printf_function_table[specs[nspecs_done].info.spec]);

             if (function == NULL)
              function = &printf_unknown;

             ptr = alloca (specs[nspecs_done].ndata_args
                         * sizeof (const void *));

             /* Fill in an array of pointers to the argument values.  */
             for (i = 0; i < specs[nspecs_done].ndata_args; ++i)
              ptr[i] = &args_value[specs[nspecs_done].data_arg + i];

             /* Call the function.  */
             function_done = (*function) (s, &specs[nspecs_done].info, ptr);

             /* If an error occurred we don't have information about #
               of chars.  */
             if (function_done < 0)
              {
                done = -1;
                goto all_done;
              }

             done_add (function_done);
           }
           break;
         }

       free (workstart);
       workstart = NULL;

       /* Write the following constant string.  */
       outstring (specs[nspecs_done].end_of_fmt,
                 specs[nspecs_done].next_fmt

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Variable Documentation

struct _IO_jump_t [static]
const CHAR_T null[] = L_("(null)") [static]

Definition at line 174 of file vfprintf.c.