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glibc  2.9
Classes | Functions | Variables
wmemstream.c File Reference
#include "libioP.h"
#include "strfile.h"
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>

Go to the source code of this file.

Classes

struct  _IO_FILE_wmemstream

Functions

static int _IO_wmem_sync (_IO_FILE *fp) __THROW
static void _IO_wmem_finish (_IO_FILE *fp, int) __THROW
_IO_FILEopen_wmemstream (wchar_t **bufloc, _IO_size_t *sizeloc)

Variables

static struct _IO_jump_t

Class Documentation

struct _IO_FILE_wmemstream

Definition at line 26 of file wmemstream.c.

Collaboration diagram for _IO_FILE_wmemstream:
Class Members
_IO_strfile _sf
wchar_t ** bufloc
_IO_size_t * sizeloc

Function Documentation

static void _IO_wmem_finish ( _IO_FILE fp,
int  dummy 
) [static]

Definition at line 129 of file wmemstream.c.

{
  struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp;

  *mp->bufloc = (wchar_t *) realloc (fp->_wide_data->_IO_write_base,
                                 (fp->_wide_data->_IO_write_ptr
                                  - fp->_wide_data->_IO_write_base + 1)
                                 * sizeof (wchar_t));
  if (*mp->bufloc != NULL)
    {
      size_t len = (fp->_wide_data->_IO_write_ptr
                  - fp->_wide_data->_IO_write_base);
      (*mp->bufloc)[len] = '\0';
      *mp->sizeloc = len;

      fp->_wide_data->_IO_buf_base = NULL;
    }

  _IO_wstr_finish (fp, 0);
}

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static int _IO_wmem_sync ( _IO_FILE fp) [static]

Definition at line 107 of file wmemstream.c.

{
  struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp;

  if (fp->_wide_data->_IO_write_ptr == fp->_wide_data->_IO_write_end)
    {
      _IO_wstr_overflow (fp, '\0');
      --fp->_wide_data->_IO_write_ptr;
    }
  else
    *fp->_wide_data->_IO_write_ptr = '\0';

  *mp->bufloc = fp->_wide_data->_IO_write_base;
  *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
                - fp->_wide_data->_IO_write_base);

  return 0;
}

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_IO_FILE* open_wmemstream ( wchar_t **  bufloc,
_IO_size_t sizeloc 
)

Definition at line 66 of file wmemstream.c.

{
  struct locked_FILE
  {
    struct _IO_FILE_wmemstream fp;
#ifdef _IO_MTSAFE_IO
    _IO_lock_t lock;
#endif
    struct _IO_wide_data wd;
  } *new_f;
  wchar_t *buf;

  new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
  if (new_f == NULL)
    return NULL;
#ifdef _IO_MTSAFE_IO
  new_f->fp._sf._sbf._f._lock = &new_f->lock;
#endif

  buf = calloc (1, _IO_BUFSIZ);
  if (buf == NULL)
    return NULL;

  _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps);
  _IO_fwide (&new_f->fp._sf._sbf._f, 1);
  _IO_wstr_init_static (&new_f->fp._sf._sbf._f, buf,
                     _IO_BUFSIZ / sizeof (wchar_t), buf);
  new_f->fp._sf._sbf._f._flags2 &= ~_IO_FLAGS2_USER_WBUF;
  new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
  new_f->fp._sf._s._free_buffer = (_IO_free_type) free;

  new_f->fp.bufloc = bufloc;
  new_f->fp.sizeloc = sizeloc;

  return (_IO_FILE *) &new_f->fp._sf._sbf;
}

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Variable Documentation

struct _IO_jump_t [static]