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tetex-bin  3.0
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install-info.c File Reference
#include "system.h"
#include <getopt.h>

Go to the source code of this file.

Classes

struct  line_data
struct  spec_section
struct  spec_entry
struct  node
struct  menu_section

Functions

struct line_datafindlines (char *data, int size, int *nlinesp)
void insert_entry_here (struct spec_entry *entry, int line_number, struct line_data *dir_lines, int n_entries)
int compare_section_names (const void *s1, const void *s2)
int compare_entries_text (const void *e1, const void *e2)
void error (const char *s1, const char *s2, const char *s3)
void warning (const char *s1, const char *s2, const char *s3)
void fatal (const char *s1, const char *s2, const char *s3)
char * concat (const char *s1, const char *s2, const char *s3)
char * copy_string (const char *string, int size)
void pfatal_with_name (const char *name)
static int menu_line_lessp (char *line1, int len1, char *line2, int len2)
static int menu_line_equal (char *line1, int len1, char *line2, int len2)
char * extract_menu_item_name (char *item_text)
char * extract_menu_file_name (char *item_text)
static char * strip_info_suffix (char *fname)
static int menu_item_equal (const char *item, char term_char, const char *name)
void suggest_asking_for_help (void)
void print_help (void)
void ensure_dirfile_exists (char *dirfile)
FILEopen_possibly_compressed_file (char *filename, void(*create_callback)(char *), char **opened_filename, char **compression_program, int *is_pipe)
char * readfile (char *filename, int *sizep, void(*create_callback)(char *), char **opened_filename, char **compression_program)
static void output_dirfile (char *dirfile, int dir_nlines, struct line_data *dir_lines, int n_entries_to_add, struct spec_entry *entries_to_add, struct spec_section *input_sections, char *compression_program)
int parse_input (const struct line_data *lines, int nlines, struct spec_section **sections, struct spec_entry **entries)
int parse_dir_file (struct line_data *lines, int nlines, struct node **nodes, const char *base_name)
int main (int argc, char **argv)

Variables

static char * progname = "install-info"

Class Documentation

struct line_data

Definition at line 39 of file install-info.c.

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Class Members
struct spec_entry ** add_entries_before
int add_sections_before
int delete
int size
char * start
struct spec_section

Definition at line 58 of file install-info.c.

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Class Members
int missing
char * name
struct spec_section * next
struct spec_entry

Definition at line 69 of file install-info.c.

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Class Members
struct spec_section * entry_sections
struct spec_section * entry_sections_tail
struct spec_entry * next
char * text
int text_len
struct node

Definition at line 84 of file install-info.c.

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Class Members
int end_line
struct menu_section * last_section
char * menu_start
char * name
struct node * next
struct menu_section * sections
int start_line
struct menu_section

Definition at line 107 of file install-info.c.

Collaboration diagram for menu_section:
Class Members
int end_line
char * name
struct menu_section * next
int start_line

Function Documentation

int compare_entries_text ( const void e1,
const void e2 
)

Definition at line 1528 of file install-info.c.

{
  struct spec_entry **entry1 = (struct spec_entry **) p1;
  struct spec_entry **entry2 = (struct spec_entry **) p2;
  char *text1 = (*entry1)->text;
  char *text2 = (*entry2)->text;
  char *colon1 = strchr (text1, ':');
  char *colon2 = strchr (text2, ':');
  int len1, len2;

  if (!colon1)
    len1 = strlen (text1);
  else
    len1 = colon1 - text1;
  if (!colon2)
    len2 = strlen (text2);
  else
    len2 = colon2 - text2;
  return strncmp (text1, text2, len1 <= len2 ? len1 : len2);
}

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int compare_section_names ( const void s1,
const void s2 
)

Definition at line 1514 of file install-info.c.

{
  struct spec_section **sec1 = (struct spec_section **) p1;
  struct spec_section **sec2 = (struct spec_section **) p2;
  char *name1 = (*sec1)->name;
  char *name2 = (*sec2)->name;
  return strcmp (name1, name2);
}

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char* concat ( const char *  s1,
const char *  s2,
const char *  s3 
)

Definition at line 171 of file install-info.c.

{
  int len1 = strlen (s1), len2 = strlen (s2), len3 = strlen (s3);
  char *result = (char *) xmalloc (len1 + len2 + len3 + 1);

  strcpy (result, s1);
  strcpy (result + len1, s2);
  strcpy (result + len1 + len2, s3);
  *(result + len1 + len2 + len3) = 0;

  return result;
}

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char* copy_string ( const char *  string,
int  size 
)

Definition at line 188 of file install-info.c.

{
  int i;
  char *copy = (char *) xmalloc (size + 1);
  for (i = 0; i < size; i++)
    copy[i] = string[i];
  copy[size] = 0;
  return copy;
}

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void ensure_dirfile_exists ( char *  dirfile)

Definition at line 477 of file install-info.c.

{
  int desc = open (dirfile, O_RDONLY);
  if (desc < 0 && errno == ENOENT)
    {
      FILE *f;
      char *readerr = strerror (errno);
      close (desc);
      f = fopen (dirfile, "w");
      if (f)
        {
          fprintf (f, _("This is the file .../info/dir, which contains the\n\
topmost node of the Info hierarchy, called (dir)Top.\n\
The first time you invoke Info you start off looking at this node.\n\
\x1f\n\
%s\tThis is the top of the INFO tree\n\
\n\
  This (the Directory node) gives a menu of major topics.\n\
  Typing \"q\" exits, \"?\" lists all Info commands, \"d\" returns here,\n\
  \"h\" gives a primer for first-timers,\n\
  \"mEmacs<Return>\" visits the Emacs manual, etc.\n\
\n\
  In Emacs, you can click mouse button 2 on a menu item or cross reference\n\
  to select it.\n\
\n\
%s\n\
"), "File: dir,\tNode: Top",  /* These keywords must not be translated.  */
    "* Menu:"
);
          if (fclose (f) < 0)
            pfatal_with_name (dirfile);
        }
      else
        {
          /* Didn't exist, but couldn't open for writing.  */
          fprintf (stderr,
                   _("%s: could not read (%s) and could not create (%s)\n"),
                   dirfile, readerr, strerror (errno));
          xexit (1);
        }
    }
  else
    close (desc); /* It already existed, so fine.  */
}

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void error ( const char *  s1,
const char *  s2,
const char *  s3 
)

Definition at line 143 of file install-info.c.

{
  fprintf (stderr, "%s: ", progname);
  fprintf (stderr, s1, s2, s3);
  putc ('\n', stderr);
}

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char* extract_menu_file_name ( char *  item_text)

Definition at line 283 of file install-info.c.

{
  char *p = item_text;

  /* If we have text that looks like * ITEM: (FILE)NODE...,
     extract just FILE.  Otherwise return "(none)".  */

  if (*p == '*')
    p++;
  while (*p == ' ')
    p++;

  /* Skip to and past the colon.  */
  while (*p && *p != '\n' && *p != ':') p++;
  if (*p == ':') p++;

  /* Skip past the open-paren.  */
  while (1)
    {
      if (*p == '(')
        break;
      else if (*p == ' ' || *p == '\t')
        p++;
      else
        return "(none)";
    }
  p++;

  item_text = p;

  /* File name ends just before the close-paren.  */
  while (*p && *p != '\n' && *p != ')') p++;
  if (*p != ')')
    return "(none)";

  return copy_string (item_text, p - item_text);
}

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char* extract_menu_item_name ( char *  item_text)

Definition at line 265 of file install-info.c.

{
  char *p;

  if (*item_text == '*')
    item_text++;
  while (*item_text == ' ')
    item_text++;

  p = item_text;
  while (*p && *p != ':') p++;
  return copy_string (item_text, p - item_text);
}

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void fatal ( const char *  s1,
const char *  s2,
const char *  s3 
)

Definition at line 162 of file install-info.c.

{
  error (s1, s2, s3);
  xexit (1);
}

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struct line_data * findlines ( char *  data,
int  size,
int nlinesp 
) [read]

Definition at line 1463 of file install-info.c.

{
  int i;
  int lineflag = 1;
  int lines_allocated = 511;
  int filled = 0;
  struct line_data *lines
    = xmalloc ((lines_allocated + 1) * sizeof (struct line_data));

  for (i = 0; i < size; i++)
    {
      if (lineflag)
        {
          if (filled == lines_allocated)
            {
              /* try to keep things somewhat page-aligned */
              lines_allocated = ((lines_allocated + 1) * 2) - 1;
              lines = xrealloc (lines, (lines_allocated + 1)
                                       * sizeof (struct line_data));
            }
          lines[filled].start = &data[i];
          lines[filled].add_entries_before = 0;
          lines[filled].add_sections_before = 0;
          lines[filled].delete = 0;
          if (filled > 0)
            lines[filled - 1].size
              = lines[filled].start - lines[filled - 1].start - 1;
          filled++;
        }
      lineflag = (data[i] == '\n');
    }
  if (filled > 0)
    lines[filled - 1].size = &data[i] - lines[filled - 1].start - lineflag;

  /* Do not leave garbage in the last element.  */
  lines[filled].start = NULL;
  lines[filled].add_entries_before = NULL;
  lines[filled].add_sections_before = 0;
  lines[filled].delete = 0;
  lines[filled].size = 0;

  *nlinesp = filled;
  return lines;
}

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void insert_entry_here ( struct spec_entry entry,
int  line_number,
struct line_data dir_lines,
int  n_entries 
)

Definition at line 1555 of file install-info.c.

{
  int i, j;

  if (dir_lines[line_number].add_entries_before == 0)
    {
      dir_lines[line_number].add_entries_before
        = (struct spec_entry **) xmalloc (n_entries * sizeof (struct spec_entry *));
      for (i = 0; i < n_entries; i++)
        dir_lines[line_number].add_entries_before[i] = 0;
    }

  /* Find the place where this entry belongs.  If there are already
     several entries to add before LINE_NUMBER, make sure they are in
     alphabetical order.  */
  for (i = 0; i < n_entries; i++)
    if (dir_lines[line_number].add_entries_before[i] == 0
        || menu_line_lessp (entry->text, strlen (entry->text),
                            dir_lines[line_number].add_entries_before[i]->text,
                            strlen (dir_lines[line_number].add_entries_before[i]->text)))
      break;

  if (i == n_entries)
    abort ();

  /* If we need to plug ENTRY into the middle of the
     ADD_ENTRIES_BEFORE array, move the entries which should be output
     after this one down one notch, before adding a new one.  */
  if (dir_lines[line_number].add_entries_before[i] != 0)
    for (j = n_entries - 1; j > i; j--)
      dir_lines[line_number].add_entries_before[j]
        = dir_lines[line_number].add_entries_before[j - 1];

  dir_lines[line_number].add_entries_before[i] = entry;
}

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int main ( int  argc,
char **  argv 
)

Definition at line 1127 of file install-info.c.

{
  char *opened_dirfilename;
  char *compression_program;
  char *infile_sans_info;
  char *infile = 0, *dirfile = 0;

  /* Record the text of the Info file, as a sequence of characters
     and as a sequence of lines.  */
  char *input_data = NULL;
  int input_size = 0;
  struct line_data *input_lines = NULL;
  int input_nlines = 0;

  /* Record here the specified section names and directory entries.  */
  struct spec_section *input_sections = NULL;
  struct spec_entry *entries_to_add = NULL;
  int n_entries_to_add = 0;

  /* Record the old text of the dir file, as plain characters,
     as lines, and as nodes.  */
  char *dir_data;
  int dir_size;
  int dir_nlines;
  struct line_data *dir_lines;
  struct node *dir_nodes;

  /* Nonzero means --delete was specified (just delete existing entries).  */
  int delete_flag = 0;
  int something_deleted = 0;
  /* Nonzero means -q was specified.  */
  int quiet_flag = 0;

  int i;

#ifdef HAVE_SETLOCALE
  /* Set locale via LC_ALL.  */
  setlocale (LC_ALL, "");
#endif

  /* Set the text message domain.  */
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  while (1)
    {
      int opt = getopt_long (argc, argv, "i:d:e:s:hHr", longopts, 0);

      if (opt == EOF)
        break;

      switch (opt)
        {
        case 0:
          /* If getopt returns 0, then it has already processed a
             long-named option.  We should do nothing.  */
          break;

        case 1:
          abort ();

        case 'd':
          if (dirfile)
            {
              fprintf (stderr, _("%s: already have dir file: %s\n"),
                       progname, dirfile);
              suggest_asking_for_help ();
            }
          dirfile = optarg;
          break;

        case 'D':
          if (dirfile)
            {
              fprintf (stderr, _("%s: already have dir file: %s\n"),
                       progname, dirfile);
              suggest_asking_for_help ();
            }
          dirfile = concat (optarg, "", "/dir");
          break;

        case 'e':
          {
            struct spec_entry *next
              = (struct spec_entry *) xmalloc (sizeof (struct spec_entry));
            int olen = strlen (optarg);
            if (! (*optarg != 0 && optarg[olen - 1] == '\n'))
              {
                optarg = concat (optarg, "\n", "");
                olen++;
              }
            next->text = optarg;
            next->text_len = olen;
            next->entry_sections = NULL;
            next->entry_sections_tail = NULL;
            next->next = entries_to_add;
            entries_to_add = next;
            n_entries_to_add++;
          }
          break;

        case 'h':
        case 'H':
          print_help ();
          xexit (0);

        case 'i':
          if (infile)
            {
              fprintf (stderr, _("%s: Specify the Info file only once.\n"),
                       progname);
              suggest_asking_for_help ();
            }
          infile = optarg;
          break;

        case 'q':
          quiet_flag = 1;
          break;

        case 'r':
          delete_flag = 1;
          break;

        case 's':
          {
            struct spec_section *next
              = (struct spec_section *) xmalloc (sizeof (struct spec_section));
            next->name = optarg;
            next->next = input_sections;
            next->missing = 1;
            input_sections = next;
          }
          break;

        case 'V':
          printf ("install-info (GNU %s) %s\n", PACKAGE, VERSION);
          puts ("");
          puts ("Copyright (C) 2004 Free Software Foundation, Inc.");
          printf (_("There is NO warranty.  You may redistribute this software\n\
under the terms of the GNU General Public License.\n\
For more information about these matters, see the files named COPYING.\n"));
          xexit (0);

        default:
          suggest_asking_for_help ();
        }
    }

  /* Interpret the non-option arguments as file names.  */
  for (; optind < argc; ++optind)
    {
      if (infile == 0)
        infile = argv[optind];
      else if (dirfile == 0)
        dirfile = argv[optind];
      else
        error (_("excess command line argument `%s'"), argv[optind], 0);
    }

  if (!infile)
    fatal (_("No input file specified; try --help for more information."),
           0, 0);
  if (!dirfile)
    fatal (_("No dir file specified; try --help for more information."), 0, 0);

  /* Read the Info file and parse it into lines, unless we're deleting.  */
  if (!delete_flag)
    {
      input_data = readfile (infile, &input_size, NULL, NULL, NULL);
      input_lines = findlines (input_data, input_size, &input_nlines);
    }

  i = parse_input (input_lines, input_nlines,
                   &input_sections, &entries_to_add);
  if (i > n_entries_to_add)
    n_entries_to_add = i;

  if (!delete_flag)
    {
      if (entries_to_add == 0)
        { /* No need to abort here, the original info file may not
             have the requisite Texinfo commands.  This is not
             something an installer should have to correct (it's a
             problem for the maintainer), and there's no need to cause
             subsequent parts of `make install' to fail.  */
          warning (_("no info dir entry in `%s'"), infile, 0);
          xexit (0);
        }

      /* If the entries came from the command-line arguments, their
         entry_sections pointers are not yet set.  Walk the chain of
         the entries and for each entry update entry_sections to point
         to the head of the list of sections where this entry should
         be put.  Note that all the entries specified on the command
         line get put into ALL the sections we've got, either from the
         Info file, or (under --section) from the command line,
         because in the loop below every entry inherits the entire
         chain of sections.  */
      if (n_entries_to_add > 0 && entries_to_add->entry_sections == NULL)
        {
          struct spec_entry *ep;

          /* If we got no sections, default to "Miscellaneous".  */
          if (input_sections == NULL)
            {
              input_sections = (struct spec_section *)
                xmalloc (sizeof (struct spec_section));
              input_sections->name = "Miscellaneous";
              input_sections->next = NULL;
              input_sections->missing = 1;
            }
          for (ep = entries_to_add; ep; ep = ep->next)
            ep->entry_sections = input_sections;
        }
    }

  /* Now read in the Info dir file.  */
  dir_data = readfile (dirfile, &dir_size, ensure_dirfile_exists,
                       &opened_dirfilename, &compression_program);
  dir_lines = findlines (dir_data, dir_size, &dir_nlines);

  /* We will be comparing the entries in the dir file against the
     current filename, so need to strip off any directory prefix and/or
     [.info][.gz] suffix.  */
  {
    char *infile_basename = infile + strlen (infile);

    if (HAVE_DRIVE (infile))
      infile += 2;      /* get past the drive spec X: */

    while (infile_basename > infile && !IS_SLASH (infile_basename[-1]))
      infile_basename--;

    infile_sans_info = strip_info_suffix (infile_basename);
  }

  something_deleted
    = parse_dir_file (dir_lines, dir_nlines, &dir_nodes, infile_sans_info);

  /* Decide where to add the new entries (unless --delete was used).
     Find the menu sections to add them in.
     In each section, find the proper alphabetical place to add
     each of the entries.  */
  if (!delete_flag)
    {
      struct node *node;
      struct menu_section *section;
      struct spec_section *spec;

      for (node = dir_nodes; node; node = node->next)
        for (section = node->sections; section; section = section->next)
          {
            for (i = section->end_line; i > section->start_line; i--)
              if (dir_lines[i - 1].size != 0)
                break;
            section->end_line = i;

            for (spec = input_sections; spec; spec = spec->next)
              if (!strcmp (spec->name, section->name))
                break;
            if (spec)
              {
                int add_at_line = section->end_line;
                struct spec_entry *entry;
                /* Say we have found at least one section with this name,
                   so we need not add such a section.  */
                spec->missing = 0;
                /* For each entry, find the right place in this section
                   to add it.  */
                for (entry = entries_to_add; entry; entry = entry->next)
                  {
                    /* Did they at all want this entry to be put into
                       this section?  */
                    for (spec = entry->entry_sections;
                         spec && spec != entry->entry_sections_tail;
                         spec = spec->next)
                      {
                        if (!strcmp (spec->name, section->name))
                          break;
                      }
                    if (!spec || spec == entry->entry_sections_tail)
                      continue;

                    /* Subtract one because dir_lines is zero-based,
                       but the `end_line' and `start_line' members are
                       one-based.  */
                    for (i = section->end_line - 1;
                         i >= section->start_line - 1; i--)
                      {
                        /* If an entry exists with the same name,
                           and was not marked for deletion
                           (which means it is for some other file),
                           we are in trouble.  */
                        if (dir_lines[i].start[0] == '*'
                            && menu_line_equal (entry->text, entry->text_len,
                                                dir_lines[i].start,
                                                dir_lines[i].size)
                            && !dir_lines[i].delete)
                          fatal (_("menu item `%s' already exists, for file `%s'"),
                                 extract_menu_item_name (entry->text),
                                 extract_menu_file_name (dir_lines[i].start));
                        if (dir_lines[i].start[0] == '*'
                            && menu_line_lessp (entry->text, entry->text_len,
                                                dir_lines[i].start,
                                                dir_lines[i].size))
                          add_at_line = i;
                      }
                    insert_entry_here (entry, add_at_line,
                                       dir_lines, n_entries_to_add);
                  }
              }
          }

      /* Mark the end of the Top node as the place to add any
         new sections that are needed.  */
      for (node = dir_nodes; node; node = node->next)
        if (node->name && strcmp (node->name, "Top") == 0)
          dir_lines[node->end_line].add_sections_before = 1;
    }

  if (delete_flag && !something_deleted && !quiet_flag)
    warning (_("no entries found for `%s'; nothing deleted"), infile, 0);

  output_dirfile (opened_dirfilename, dir_nlines, dir_lines, n_entries_to_add,
                  entries_to_add, input_sections, compression_program);

  xexit (0);
  return 0; /* Avoid bogus warnings.  */
}

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static int menu_item_equal ( const char *  item,
char  term_char,
const char *  name 
) [static]

Definition at line 370 of file install-info.c.

{
  int ret;
  const char *item_basename = item;
  unsigned name_len = strlen (name);

  /* We must compare the basename in ITEM, since we are passed the
     basename of the original info file.  Otherwise, a new entry like
     "lilypond/lilypond" won't match "lilypond".
     
     Actually, it seems to me that we should really compare the whole
     name, and not just the basename.  Couldn't there be dir1/foo.info
     and dir2/foo.info?  Also, it seems like we should be using the
     filename from the new dir entries, not the filename on the command
     line.  Not worrying about those things right now, though.  --karl,
     26mar04.  */
  while (*item_basename && !IS_SLASH (*item_basename)
        && *item_basename != term_char)
    item_basename++;
  if (! *item_basename || *item_basename == term_char)
    item_basename = item;  /* no /, use original */
  else
    item_basename++;       /* have /, move past it */
    
  /* First, ITEM must actually match NAME (usually it won't).  */
  ret = strncasecmp (item_basename, name, name_len) == 0;
  if (ret)
    {
      /* Then, `foobar' doesn't match `foo', so be sure we've got all of
         ITEM.  The various suffixes should never actually appear in the
         dir file, but sometimes people put them in.  */
      static char *suffixes[]
        = { "", ".info.gz", ".info", ".inf", ".gz",
#ifdef __MSDOS__
            ".inz", ".igz",
#endif
            NULL };
      unsigned i;
      ret = 0;
      for (i = 0; !ret && suffixes[i]; i++)
        {
          char *suffix = suffixes[i];
          unsigned suffix_len = strlen (suffix);
          ret = strncasecmp (item_basename + name_len, suffix, suffix_len) == 0
                && item_basename[name_len + suffix_len] == term_char;
        }
    }

  return ret;
}

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static int menu_line_equal ( char *  line1,
int  len1,
char *  line2,
int  len2 
) [static]

Definition at line 241 of file install-info.c.

{
  int minlen = (len1 < len2 ? len1 : len2);
  int i;

  for (i = 0; i < minlen; i++)
    {
      /* If both item names end here, they are equal.  */
      if (line1[i] == ':' && line2[i] == ':')
        return 1;
      /* If they both continue and differ, one is less.  */
      if (line1[i] != line2[i])
        return 0;
    }
  /* With a properly formatted dir file,
     we can only get here if the item names are equal.  */
  return 1;
}

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static int menu_line_lessp ( char *  line1,
int  len1,
char *  line2,
int  len2 
) [static]

Definition at line 212 of file install-info.c.

{
  int minlen = (len1 < len2 ? len1 : len2);
  int i;

  for (i = 0; i < minlen; i++)
    {
      /* If one item name is a prefix of the other,
         the former one is less.  */
      if (line1[i] == ':' && line2[i] != ':')
        return 1;
      if (line2[i] == ':' && line1[i] != ':')
        return 0;
      /* If they both continue and differ, one is less.  */
      if (line1[i] < line2[i])
        return 1;
      if (line1[i] > line2[i])
        return 0;
    }
  /* With a properly formatted dir file,
     we can only get here if the item names are equal.  */
  return 0;
}

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FILE* open_possibly_compressed_file ( char *  filename,
void(*)(char *)  create_callback,
char **  opened_filename,
char **  compression_program,
int is_pipe 
)

Definition at line 533 of file install-info.c.

{
  char *local_opened_filename, *local_compression_program;
  int nread;
  char data[4];
  FILE *f;

  /* We let them pass NULL if they don't want this info, but it's easier
     to always determine it.  */
  if (!opened_filename)
    opened_filename = &local_opened_filename;

  *opened_filename = filename;
  f = fopen (*opened_filename, FOPEN_RBIN);
  if (!f)
    {
      *opened_filename = concat (filename, ".gz", "");
      f = fopen (*opened_filename, FOPEN_RBIN);
  if (!f)
    {
      free (*opened_filename);
      *opened_filename = concat (filename, ".bz2", "");
      f = fopen (*opened_filename, FOPEN_RBIN);
    }

#ifdef __MSDOS__
      if (!f)
        {
          free (*opened_filename);
          *opened_filename = concat (filename, ".igz", "");
          f = fopen (*opened_filename, FOPEN_RBIN);
        }
      if (!f)
        {
          free (*opened_filename);
          *opened_filename = concat (filename, ".inz", "");
          f = fopen (*opened_filename, FOPEN_RBIN);
        }
#endif
      if (!f)
        {
          if (create_callback)
            { /* That didn't work either.  Create the file if we can.  */
              (*create_callback) (filename);

              /* And try opening it again.  */
              free (*opened_filename);
              *opened_filename = filename;
              f = fopen (*opened_filename, FOPEN_RBIN);
              if (!f)
                pfatal_with_name (filename);
            }
          else
            pfatal_with_name (filename);
        }
    }

  /* Read first few bytes of file rather than relying on the filename.
     If the file is shorter than this it can't be usable anyway.  */
  nread = fread (data, sizeof (data), 1, f);
  if (nread != 1)
    {
      /* Empty files don't set errno, so we get something like
         "install-info: No error for foo", which is confusing.  */
      if (nread == 0)
        fatal (_("%s: empty file"), *opened_filename, 0);
      pfatal_with_name (*opened_filename);
    }

  if (!compression_program)
    compression_program = &local_compression_program;

  if (data[0] == '\x1f' && data[1] == '\x8b')
#if STRIP_DOT_EXE
    /* An explicit .exe yields a better diagnostics from popen below
       if they don't have gzip installed.  */
    *compression_program = "gzip.exe";
#else
    *compression_program = "gzip";
#endif
  else if(data[0] == 'B' && data[1] == 'Z' && data[2] == 'h')
#ifndef STRIP_DOT_EXE
    *compression_program = "bzip2.exe";
#else
    *compression_program = "bzip2";
#endif
  else if(data[0] == 'B' && data[1] == 'Z' && data[2] == '0')
#ifndef STRIP_DOT_EXE
    *compression_program = "bzip.exe";
#else
    *compression_program = "bzip";
#endif
  else
    *compression_program = NULL;

  if (*compression_program)
    { /* It's compressed, so fclose the file and then open a pipe.  */
      char *command = concat (*compression_program," -cd <", *opened_filename);
      if (fclose (f) < 0)
        pfatal_with_name (*opened_filename);
      f = popen (command, "r");
      if (f)
        *is_pipe = 1;
      else
        pfatal_with_name (command);
    }
  else
    { /* It's a plain file, seek back over the magic bytes.  */
      if (fseek (f, 0, 0) < 0)
        pfatal_with_name (*opened_filename);
#if O_BINARY
      /* Since this is a text file, and we opened it in binary mode,
         switch back to text mode.  */
      f = freopen (*opened_filename, "r", f);
#endif
      *is_pipe = 0;
    }

  return f;
}

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static void output_dirfile ( char *  dirfile,
int  dir_nlines,
struct line_data dir_lines,
int  n_entries_to_add,
struct spec_entry entries_to_add,
struct spec_section input_sections,
char *  compression_program 
) [static]

Definition at line 718 of file install-info.c.

{
  int i;
  FILE *output;

  if (compression_program)
    {
      char *command = concat (compression_program, ">", dirfile);
      output = popen (command, "w");
    }
  else
    output = fopen (dirfile, "w");

  if (!output)
    {
      perror (dirfile);
      xexit (1);
    }

  for (i = 0; i <= dir_nlines; i++)
    {
      int j;

      /* If we decided to output some new entries before this line,
         output them now.  */
      if (dir_lines[i].add_entries_before)
        for (j = 0; j < n_entries_to_add; j++)
          {
            struct spec_entry *this = dir_lines[i].add_entries_before[j];
            if (this == 0)
              break;
            fputs (this->text, output);
          }
      /* If we decided to add some sections here
         because there are no such sections in the file,
         output them now.  */
      if (dir_lines[i].add_sections_before)
        {
          struct spec_section *spec;
          struct spec_section **sections;
          int n_sections = 0;
          struct spec_entry *entry;
          struct spec_entry **entries;
          int n_entries = 0;

          /* Count the sections and allocate a vector for all of them.  */
          for (spec = input_sections; spec; spec = spec->next)
            n_sections++;
          sections = ((struct spec_section **)
                      xmalloc (n_sections * sizeof (struct spec_section *)));

          /* Fill the vector SECTIONS with pointers to all the sections,
             and sort them.  */
          j = 0;
          for (spec = input_sections; spec; spec = spec->next)
            sections[j++] = spec;
          qsort (sections, n_sections, sizeof (struct spec_section *),
                 compare_section_names);

          /* Count the entries and allocate a vector for all of them.  */
          for (entry = entries_to_add; entry; entry = entry->next)
            n_entries++;
          entries = ((struct spec_entry **)
                     xmalloc (n_entries * sizeof (struct spec_entry *)));

          /* Fill the vector ENTRIES with pointers to all the sections,
             and sort them.  */
          j = 0;
          for (entry = entries_to_add; entry; entry = entry->next)
            entries[j++] = entry;
          qsort (entries, n_entries, sizeof (struct spec_entry *),
                 compare_entries_text);

          /* Generate the new sections in alphabetical order.  In each
             new section, output all of the entries that belong to that
             section, in alphabetical order.  */
          for (j = 0; j < n_sections; j++)
            {
              spec = sections[j];
              if (spec->missing)
                {
                  int k;

                  putc ('\n', output);
                  fputs (spec->name, output);
                  putc ('\n', output);
                  for (k = 0; k < n_entries; k++)
                    {
                      struct spec_section *spec1;
                      /* Did they at all want this entry to be put into
                         this section?  */
                      entry = entries[k];
                      for (spec1 = entry->entry_sections;
                           spec1 && spec1 != entry->entry_sections_tail;
                           spec1 = spec1->next)
                        {
                          if (!strcmp (spec1->name, spec->name))
                            break;
                        }
                      if (spec1 && spec1 != entry->entry_sections_tail)
                        fputs (entry->text, output);
                    }
                }
            }

          free (entries);
          free (sections);
        }

      /* Output the original dir lines unless marked for deletion.  */
      if (i < dir_nlines && !dir_lines[i].delete)
        {
          fwrite (dir_lines[i].start, 1, dir_lines[i].size, output);
          putc ('\n', output);
        }
    }

  /* Some systems, such as MS-DOS, simulate pipes with temporary files.
     On those systems, the compressor actually gets run inside pclose,
     so we must call pclose.  */
  if (compression_program)
    pclose (output);
  else
    fclose (output);
}

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int parse_dir_file ( struct line_data lines,
int  nlines,
struct node **  nodes,
const char *  base_name 
)

Definition at line 976 of file install-info.c.

{
  int node_header_flag = 0;
  int something_deleted = 0;
  int i;

  *nodes = 0;
  for (i = 0; i < nlines; i++)
    {
      /* Parse node header lines.  */
      if (node_header_flag)
        {
          int j, end;
          for (j = 0; j < lines[i].size; j++)
            /* Find the node name and store it in the `struct node'.  */
            if (!strncmp ("Node:", lines[i].start + j, 5))
              {
                char *line = lines[i].start;
                /* Find the start of the node name.  */
                j += 5;
                while (line[j] == ' ' || line[j] == '\t')
                  j++;
                /* Find the end of the node name.  */
                end = j;
                while (line[end] != 0 && line[end] != ',' && line[end] != '\n'
                       && line[end] != '\t')
                  end++;
                (*nodes)->name = copy_string (line + j, end - j);
              }
          node_header_flag = 0;
        }

      /* Notice the start of a node.  */
      if (*lines[i].start == 037)
        {
          struct node *next = (struct node *) xmalloc (sizeof (struct node));

          next->next = *nodes;
          next->name = NULL;
          next->start_line = i;
          next->end_line = 0;
          next->menu_start = NULL;
          next->sections = NULL;
          next->last_section = NULL;

          if (*nodes != 0)
            (*nodes)->end_line = i;
          /* Fill in the end of the last menu section
             of the previous node.  */
          if (*nodes != 0 && (*nodes)->last_section != 0)
            (*nodes)->last_section->end_line = i;

          *nodes = next;

          /* The following line is the header of this node;
             parse it.  */
          node_header_flag = 1;
        }

      /* Notice the lines that start menus.  */
      if (*nodes != 0 && !strncmp ("* Menu:", lines[i].start, 7))
        (*nodes)->menu_start = lines[i + 1].start;

      /* Notice sections in menus.  */
      if (*nodes != 0
          && (*nodes)->menu_start != 0
          && *lines[i].start != '\n'
          && *lines[i].start != '*'
          && *lines[i].start != ' '
          && *lines[i].start != '\t')
        {
          /* Add this menu section to the node's list.
             This list grows in forward order.  */
          struct menu_section *next
            = (struct menu_section *) xmalloc (sizeof (struct menu_section));

          next->start_line = i + 1;
          next->next = 0;
          next->end_line = 0;
          next->name = copy_string (lines[i].start, lines[i].size);
          if ((*nodes)->sections)
            {
              (*nodes)->last_section->next = next;
              (*nodes)->last_section->end_line = i;
            }
          else
            (*nodes)->sections = next;
          (*nodes)->last_section = next;
        }

      /* Check for an existing entry that should be deleted.
         Delete all entries which specify this file name.  */
      if (*lines[i].start == '*')
        {
          char *q;
          char *p = lines[i].start;

          p++; /* skip * */
          while (*p == ' ') p++; /* ignore following spaces */
          q = p; /* remember this, it's the beginning of the menu item.  */

          /* Read menu item.  */
          while (*p != 0 && *p != ':')
            p++;
          p++; /* skip : */

          if (*p == ':')
            { /* XEmacs-style entry, as in * Mew::Messaging.  */
              if (menu_item_equal (q, ':', base_name))
                {
                  lines[i].delete = 1;
                  something_deleted = 1;
                }
            }
          else
            { /* Emacs-style entry, as in * Emacs: (emacs).  */
              while (*p == ' ') p++; /* skip spaces after : */
              if (*p == '(')         /* if at parenthesized (FILENAME) */
                {
                  p++;
                  if (menu_item_equal (p, ')', base_name))
                    {
                      lines[i].delete = 1;
                      something_deleted = 1;
                    }
                }
            }
        }

      /* Treat lines that start with whitespace
         as continuations; if we are deleting an entry,
         delete all its continuations as well.  */
      else if (i > 0 && (*lines[i].start == ' ' || *lines[i].start == '\t'))
        {
          lines[i].delete = lines[i - 1].delete;
        }
    }

  /* Finish the info about the end of the last node.  */
  if (*nodes != 0)
    {
      (*nodes)->end_line = nlines;
      if ((*nodes)->last_section != 0)
        (*nodes)->last_section->end_line = nlines;
    }

  return something_deleted;
}

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int parse_input ( const struct line_data lines,
int  nlines,
struct spec_section **  sections,
struct spec_entry **  entries 
)

Definition at line 849 of file install-info.c.

{
  int n_entries = 0;
  int prefix_length = strlen ("INFO-DIR-SECTION ");
  struct spec_section *head = *sections, *tail = NULL;
  int reset_tail = 0;
  char *start_of_this_entry = 0;
  int ignore_sections = *sections != 0;
  int ignore_entries  = *entries  != 0;

  int i;

  if (ignore_sections && ignore_entries)
    return 0;

  /* Loop here processing lines from the input file.  Each
     INFO-DIR-SECTION entry is added to the SECTIONS linked list.
     Each START-INFO-DIR-ENTRY block is added to the ENTRIES linked
     list, and all its entries inherit the chain of SECTION entries
     defined by the last group of INFO-DIR-SECTION entries we have
     seen until that point.  */
  for (i = 0; i < nlines; i++)
    {
      if (!ignore_sections
          && !strncmp ("INFO-DIR-SECTION ", lines[i].start, prefix_length))
        {
          struct spec_section *next
            = (struct spec_section *) xmalloc (sizeof (struct spec_section));
          next->name = copy_string (lines[i].start + prefix_length,
                                    lines[i].size - prefix_length);
          next->next = *sections;
          next->missing = 1;
          if (reset_tail)
            {
              tail = *sections;
              reset_tail = 0;
            }
          *sections = next;
          head = *sections;
        }
      /* If entries were specified explicitly with command options,
         ignore the entries in the input file.  */
      else if (!ignore_entries)
        {
          if (!strncmp ("START-INFO-DIR-ENTRY", lines[i].start, lines[i].size)
              && sizeof ("START-INFO-DIR-ENTRY") - 1 == lines[i].size)
            {
              if (!*sections)
                {
                  /* We found an entry, but didn't yet see any sections
                     specified.  Default to section "Miscellaneous".  */
                  *sections = (struct spec_section *)
                    xmalloc (sizeof (struct spec_section));
                  (*sections)->name = "Miscellaneous";
                  (*sections)->next = 0;
                  (*sections)->missing = 1;
                  head = *sections;
                }
              /* Next time we see INFO-DIR-SECTION, we will reset the
                 tail pointer.  */
              reset_tail = 1;

              if (start_of_this_entry != 0)
                fatal (_("START-INFO-DIR-ENTRY without matching END-INFO-DIR-ENTRY"), 0, 0);
              start_of_this_entry = lines[i + 1].start;
            }
          else if (start_of_this_entry)
            {
              if ((!strncmp ("* ", lines[i].start, 2)
                   && lines[i].start > start_of_this_entry)
                  || (!strncmp ("END-INFO-DIR-ENTRY",
                                lines[i].start, lines[i].size)
                      && sizeof ("END-INFO-DIR-ENTRY") - 1 == lines[i].size))
                {
                  /* We found an end of this entry.  Allocate another
                     entry, fill its data, and add it to the linked
                     list.  */
                  struct spec_entry *next
                    = (struct spec_entry *) xmalloc (sizeof (struct spec_entry));
                  next->text
                    = copy_string (start_of_this_entry,
                                   lines[i].start - start_of_this_entry);
                  next->text_len = lines[i].start - start_of_this_entry;
                  next->entry_sections = head;
                  next->entry_sections_tail = tail;
                  next->next = *entries;
                  *entries = next;
                  n_entries++;
                  if (!strncmp ("END-INFO-DIR-ENTRY",
                                lines[i].start, lines[i].size)
                      && sizeof ("END-INFO-DIR-ENTRY") - 1 == lines[i].size)
                    start_of_this_entry = 0;
                  else
                    start_of_this_entry = lines[i].start;
                }
              else if (!strncmp ("END-INFO-DIR-ENTRY",
                                 lines[i].start, lines[i].size)
                       && sizeof ("END-INFO-DIR-ENTRY") - 1 == lines[i].size)
                fatal (_("END-INFO-DIR-ENTRY without matching START-INFO-DIR-ENTRY"), 0, 0);
            }
        }
    }
  if (start_of_this_entry != 0)
    fatal (_("START-INFO-DIR-ENTRY without matching END-INFO-DIR-ENTRY"),
           0, 0);

  /* If we ignored the INFO-DIR-ENTRY directives, we need now go back
     and plug the names of all the sections we found into every
     element of the ENTRIES list.  */
  if (ignore_entries && *entries)
    {
      struct spec_entry *entry;

      for (entry = *entries; entry; entry = entry->next)
        {
          entry->entry_sections = head;
          entry->entry_sections_tail = tail;
        }
    }

  return n_entries;
}

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void pfatal_with_name ( const char *  name)

Definition at line 201 of file install-info.c.

{
  char *s = concat ("", strerror (errno), _(" for %s"));
  fatal (s, name, 0);
}

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Definition at line 432 of file install-info.c.

{
  printf (_("Usage: %s [OPTION]... [INFO-FILE [DIR-FILE]]\n\
\n\
Install or delete dir entries from INFO-FILE in the Info directory file\n\
DIR-FILE.\n\
\n\
Options:\n\
 --delete          delete existing entries for INFO-FILE from DIR-FILE;\n\
                     don't insert any new entries.\n\
 --dir-file=NAME   specify file name of Info directory file.\n\
                     This is equivalent to using the DIR-FILE argument.\n\
 --entry=TEXT      insert TEXT as an Info directory entry.\n\
                     TEXT should have the form of an Info menu item line\n\
                     plus zero or more extra lines starting with whitespace.\n\
                     If you specify more than one entry, they are all added.\n\
                     If you don't specify any entries, they are determined\n\
                     from information in the Info file itself.\n\
 --help            display this help and exit.\n\
 --info-file=FILE  specify Info file to install in the directory.\n\
                     This is equivalent to using the INFO-FILE argument.\n\
 --info-dir=DIR    same as --dir-file=DIR/dir.\n\
 --item=TEXT       same as --entry TEXT.\n\
                     An Info directory entry is actually a menu item.\n\
 --quiet           suppress warnings.\n\
 --remove          same as --delete.\n\
 --section=SEC     put this file's entries in section SEC of the directory.\n\
                     If you specify more than one section, all the entries\n\
                     are added in each of the sections.\n\
                     If you don't specify any sections, they are determined\n\
                     from information in the Info file itself.\n\
 --version         display version information and exit.\n\
"), progname);

  puts (_("\n\
Email bug reports to bug-texinfo@gnu.org,\n\
general questions and discussion to help-texinfo@gnu.org.\n\
Texinfo home page: http://www.gnu.org/software/texinfo/"));
}

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char* readfile ( char *  filename,
int sizep,
void(*)(char *)  create_callback,
char **  opened_filename,
char **  compression_program 
)

Definition at line 665 of file install-info.c.

{
  char *real_name;
  FILE *f;
  int pipe_p;
  int filled = 0;
  int data_size = 8192;
  char *data = xmalloc (data_size);

  /* If they passed the space for the file name to return, use it.  */
  f = open_possibly_compressed_file (filename, create_callback,
                                     opened_filename ? opened_filename
                                                     : &real_name,
                                     compression_program, &pipe_p);

  for (;;)
    {
      int nread = fread (data + filled, 1, data_size - filled, f);
      if (nread < 0)
        pfatal_with_name (real_name);
      if (nread == 0)
        break;

      filled += nread;
      if (filled == data_size)
        {
          data_size += 65536;
          data = xrealloc (data, data_size);
        }
    }

  /* We'll end up wasting space if we're not passing the filename back
     and it is not just FILENAME, but so what.  */
  /* We need to close the stream, since on some systems the pipe created
     by popen is simulated by a temporary file which only gets removed
     inside pclose.  */
  if (pipe_p)
    pclose (f);
  else
    fclose (f);

  *sizep = filled;
  return data;
}

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static char* strip_info_suffix ( char *  fname) [static]

Definition at line 326 of file install-info.c.

{
  char *ret = xstrdup (fname);
  unsigned len = strlen (ret);

  if (len > 3 && FILENAME_CMP (ret + len - 3, ".gz") == 0)
    {
      len -= 3;
      ret[len] = 0;
    }
  else if (len > 4 && FILENAME_CMP (ret + len - 4, ".bz2") == 0)
    {
      len -= 4;
      ret[len] = 0;
    }

  if (len > 5 && FILENAME_CMP (ret + len - 5, ".info") == 0)
    {
      len -= 5;
      ret[len] = 0;
    }
  else if (len > 4 && FILENAME_CMP (ret + len - 4, ".inf") == 0)
    {
      len -= 4;
      ret[len] = 0;
    }
#ifdef __MSDOS__
  else if (len > 4 && (FILENAME_CMP (ret + len - 4, ".inz") == 0
                       || FILENAME_CMP (ret + len - 4, ".igz") == 0))
    {
      len -= 4;
      ret[len] = 0;
    }
#endif /* __MSDOS__ */

  return ret;
}

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Definition at line 424 of file install-info.c.

{
  fprintf (stderr, _("\tTry `%s --help' for a complete list of options.\n"),
           progname);
  xexit (1);
}

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void warning ( const char *  s1,
const char *  s2,
const char *  s3 
)

Definition at line 152 of file install-info.c.

{
  fprintf (stderr, _("%s: warning: "), progname);
  fprintf (stderr, s1, s2, s3);
  putc ('\n', stderr);
}

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Variable Documentation

char* progname = "install-info" [static]

Definition at line 24 of file install-info.c.