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-rw-r--r--locale/charmap.c524
1 files changed, 0 insertions, 524 deletions
diff --git a/locale/charmap.c b/locale/charmap.c
deleted file mode 100644
index ad1075e5bc..0000000000
--- a/locale/charmap.c
+++ /dev/null
@@ -1,524 +0,0 @@
-/* Copyright (C) 1995 Free Software Foundation, Inc.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
-
-#include <ctype.h>
-#include <errno.h>
-#include <libintl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "localedef.h"
-#include "hash.h"
-
-/* Data structure for representing charmap database.  */
-struct charmap charmap_data;
-
-/* Line number in charmap file.  */
-static unsigned int line_no;
-
-/* Prototypes for local functions.  */
-static void read_prolog (FILE *infile);
-static unsigned long read_body (FILE *infile);
-
-
-/* Read complete table of symbolic names for character set from file.  If
-   this file does not exist or is not readable a default file is tried.
-   If this also is not readable no character map is defined.  */
-void
-charmap_read (const char *filename)
-{
-  unsigned long max_char;
-  long path_max = pathconf (".", _PC_PATH_MAX);
-  char buf[path_max];
-  FILE *infile = NULL;
-
-  /* Initialize charmap data.  */
-  charmap_data.codeset_name = NULL;
-  charmap_data.mb_cur_max = -1;
-  charmap_data.mb_cur_min = -1;
-  charmap_data.escape_char = '\\';
-  charmap_data.comment_char = '#';
-
-  if (filename != NULL)
-    {
-      strcpy (buf, filename);
-      infile = fopen (filename, "r");
-      if (infile == NULL && filename[0] != '/')
-        {
-          snprintf (buf, path_max, "%s/%s", CHARMAP_PATH, filename);
-          infile = fopen (buf, "r");
-        }
-    }
-  if (infile == NULL)
-    {
-      if (filename != NULL)
-	error (0, errno, gettext ("input file `%s' not found"), filename);
-
-      snprintf (buf, path_max, "%s/%s", CHARMAP_PATH, DEFAULT_CHARMAP);
-      infile = fopen (buf, "r");
-
-      if (infile == NULL)
-	error (4, errno, gettext ("input file `%s' not found"), filename); 
-    }
-
-  charmap_data.filename = buf;
-  init_hash (&charmap_data.table, 500);
-  line_no = 0;
-
-  /* Read the prolog of the charmap file.  */
-  read_prolog (infile);
-
-  /* Last works on the charmap tables global data.  */
-  if (charmap_data.mb_cur_max == -1)
-    charmap_data.mb_cur_max = 1;
-  if (charmap_data.mb_cur_min == -1)
-    charmap_data.mb_cur_min = charmap_data.mb_cur_max;
-
-  if ((size_t) charmap_data.mb_cur_max > sizeof (long))
-    {
-      error (2, 0, gettext ("program limitation: for now only upto %Zu "
-			    "bytes per character are allowed"), sizeof (long));
-    }
-
-  /* Now process all entries.  */
-  max_char = read_body (infile);
-
-  /* We don't need the file anymore.  */
-  fclose (infile);
-
-
-  /* Determine the optimal table size when using the simple modulo hashing
-     function.  */
-  if (max_char >= 256)
-    {
-      int size;
-      /* Current best values, initialized to some never reached high value.  */
-      int best_count = 10000;
-      int best_size = 10000;
-      int best_product = best_count * best_size;
-
-      /* Give warning.  */
-      error (-1, 0, gettext ("computing character table size: this may take "
-			     "a while"));
-
-      for (size = 256; size <= best_product; ++size)
-	{
-	  /* Array with slot counters.  */
-	  int cnt[size];
-	  /* Current character.  */
-	  int ch;
-	  /* Maximal number of characters in any slot.  */
-	  int maxcnt = 0;
-	  /* Product of current size and maximal count.  */
-	  int product = 0;
-	  /* Iteration pointer through hashing table.  */
-	  char *ptr = NULL;
-
-	  /* Initializes counters to zero.  */
-	  memset(cnt, 0, size * sizeof (int));
-
-	  /* Iterate through whole hashing table.  */
-	  while (product < best_product
-		 && iterate_table (&charmap_data.table, (void **) &ptr,
-				   (void **) &ch))
-	    {
-	      /* Increment slot counter.  */
-	      ++cnt[ch % size];
-	      /* Test for current maximum.  */
-	      if (cnt[ch % size] > maxcnt)
-		{
-		  maxcnt = cnt[ch % size];
-		  product = maxcnt * size;
-		}
-	    }
-
-	  if (product < best_product)
-	    {
-	      best_count = maxcnt;
-	      best_size = size;
-	      best_product = best_count * best_size;
-	    }
-	}
-
-      charmap_data.hash_size = best_size;
-      charmap_data.hash_layers = best_count;
-    }
-  else
-    {
-      charmap_data.hash_size = 256;
-      charmap_data.hash_layers = 1;
-    }
-}
-
-
-#define SYNTAX_ERROR							     \
-  do { error (0, 0, gettext ("%s:%u: syntax error in charmap file"),	     \
-	      charmap_data.filename, line_no);                               \
-       goto end_of_loop; } while (0)
-
-/* Read the prolog of the charmap file until the line containing `CHARMAP'.
-   All possible entries are processed.  */
-static void
-read_prolog (FILE *infile)
-{
-  size_t bufsize = sysconf (_SC_LINE_MAX);
-  char buf[bufsize];
-
-  while (1)
-    {
-      char *cp = buf;
-      char len;
-
-      /* Read the next line.  */
-      fgets (buf, bufsize, infile);
-      len = strlen (buf);
-
-      /* On EOF simply return.  */
-      if (len == 0 || buf[len - 1] != '\n')
-	error (4, 0, gettext ("%s: unexpected end of file in charmap"),
-	       charmap_data.filename);
-
-      /* This is the next line.  */
-      ++line_no;
-
-      /* Comments and empty lines are ignored.  */
-      if (len == 1 || buf[0] == charmap_data.comment_char)
-	continue;
-
-      buf[len - 1] = '\0';
-
-      /* Throw away leading white spaces.  This is not defined in POSIX.2
-	 so don't do it if conformance is requested.  */
-      if (!posix_conformance)
-	while (isspace (*cp))
-	  ++cp;
-
-      /* If `CHARMAP' is read the prolog is over.  */
-      if (strncmp (cp, "CHARMAP", 7) == 0
-	  && (!posix_conformance || cp[7] == '\0'))
-	return;
-
-      /* Now it can be only one of special symbols defining the charmap
-	 parameters.  All are beginning with '<'.  */
-      if (*cp != '<')
-	SYNTAX_ERROR;
-
-      ++cp;
-      if (strncmp (cp, "code_set_name>", 14) == 0)
-	{
-	  char *startp;
-
-#define cp_to_arg(no,pred)						      \
-	  cp += no;							      \
-	  while (isspace (*cp))						      \
-	    ++cp;							      \
-	  if (*cp == '\0' || !pred (*cp))				      \
-            SYNTAX_ERROR;
-
-	  cp_to_arg (14,isgraph)
-
-	  if (charmap_data.codeset_name != NULL)
-	    {
-	      error (0, 0, gettext ("%s:%u: duplicate code set name "
-				    "specification"),
-		     charmap_data.filename, line_no);
-	      free (charmap_data.codeset_name);
-	    }
-
-	  startp = cp;
-	  while (*cp != '\0' && isgraph (*cp) && !isspace (*cp))
-	    ++cp;
-
-	  charmap_data.codeset_name = (char *) xmalloc (cp - startp + 1);
-	  strncpy (startp, startp, cp - startp);
-	}
-      else if (strncmp (cp, "mb_cur_max>", 11) == 0)
-	{
-          int new_val;
-	  cp_to_arg (11,isdigit)
-
-	  if (charmap_data.mb_cur_max != -1)
-	    error (0, 0,
-		   gettext ("%s:%u: duplicate definition of mb_cur_max"),
-		   charmap_data.filename, line_no);
-
-	  new_val = (int) strtol (cp, &cp, posix_conformance ? 10 : 0);
-	  if (new_val < 1)
-	    error (0, 0, gettext ("%s:%u: illegal value for mb_cur_max: %d"),
-		   charmap_data.filename, line_no, new_val);
-	  else
-	    charmap_data.mb_cur_max = new_val;
-	}
-      else if (strncmp (cp, "mb_cur_min>", 11) == 0)
-	{
-          int new_val;
-	  cp_to_arg (11,isdigit)
-
-	  if (charmap_data.mb_cur_max != -1)
-	    error (0, 0,
-		   gettext ("%s:%u: duplicate definition of mb_cur_min"),
-		   charmap_data.filename, line_no);
-
-	  new_val = (int) strtol (cp, &cp, posix_conformance ? 10 : 0);
-	  if (new_val < 1)
-	    error (0, 0, gettext ("%s:%u: illegal value for mb_cur_min: %d"),
-		   charmap_data.filename, line_no, new_val);
-	  else
-	    charmap_data.mb_cur_min = new_val;
-	}
-      else if (strncmp (cp, "escape_char>", 12) == 0)
-	{
-	  cp_to_arg (12, isgraph)
-	  charmap_data.escape_char = *cp;
-	}
-      else if (strncmp (cp, "comment_char>", 13) == 0)
-	{
-	  cp_to_arg (13, isgraph)
-	  charmap_data.comment_char = *cp;
-	}
-      else
-	SYNTAX_ERROR;
-      end_of_loop:
-    }
-}
-#undef cp_to_arg
-
-
-static unsigned long
-read_body (FILE *infile)
-{
-  unsigned long max_char = 0;
-  size_t bufsize = sysconf (_SC_LINE_MAX);
-  char buf[bufsize];
-  char name_str[bufsize / 2];
-  char code_str[bufsize / 2];
-
-  while (1)
-    {
-      char *cp = buf;
-      size_t len;
-
-      /* Read the next line.  */
-      fgets (buf, bufsize, infile);
-      len = strlen (buf);
-
-      /* On EOF simply return.  */
-      if (len == 0)
-	error (0, 0, gettext ("%s: `END CHARMAP' is missing"),
-	       charmap_data.filename);
-
-      /* This is the next line.  */
-      ++line_no;
-
-      if (len == bufsize - 1)
-	{
-	  error (0, 0, gettext ("%s:%u: line too long;  use `getconf "
-				"LINE_MAX' to get the current maximum line"
-				"length"), charmap_data.filename, line_no);
-	  do
-	    {
-	      fgets (buf, bufsize, infile);
-	      len = strlen (buf);
-	    }
-	  while (len == bufsize - 1);
-	  continue;
-	}
-
-      /* Comments and empty lines are ignored.  */
-      if (len == 1 || buf[0] == charmap_data.comment_char)
-	continue;
-
-      buf[len - 1] = '\0';
-
-      /* Throw away leading white spaces.  This is not defined in POSIX.2
-	 so don't do it if conformance is requested.  */
-      if (!posix_conformance)
-	while (isspace (*cp))
-	  ++cp;
-
-      if (*cp == '<')
-	{
-	  char *end1p, *end2p, *start2p;
-	  size_t cnt = 0;
-	  unsigned long char_value = 0;
-
-	  if (sscanf (cp + 1, "%s %s", name_str, code_str) != 2)
-	    SYNTAX_ERROR;
-
-	  end1p = cp = name_str;
-	  while (*cp != '\0' && *cp != '>')
-	    {
-	      if (*cp == charmap_data.escape_char)
-		if (*++cp == '\0')
-		  SYNTAX_ERROR;
-	      *end1p++ = *cp++;
-	    }
-	  if (*cp == '\0')
-	    /* No final '>'.  Make error condition.  */
-	    end1p = name_str;
-	  else
-	    ++cp;
-
-	  *end1p = '\0';
-	  
-	  if (*cp == '.' && *++cp == '.' && *++cp == '.' && *++cp == '<')
-	    {
-	      /* This might be the alternate form.  */
-	      start2p = end2p = ++cp;
-	      while (*cp != '\0' && *cp != '>')
-		{
-		  if (*cp == charmap_data.escape_char)
-		    if (*++cp == '\0')
-		      SYNTAX_ERROR;
-		  *end2p = *cp++;
-		}
-	      if (*cp == '\0')
-		/* NO final '>'.  Make error condition.  */
-		end2p = start2p;
-	      else
-		++cp;
-	    }
-	  else
-	    start2p = end2p = NULL;
-
-
-	  if (end1p == name_str || (start2p != NULL && start2p != end2p)
-	      || *cp != '\0'
-	      || *code_str != charmap_data.escape_char)
-	    SYNTAX_ERROR;
-
-	  cp = code_str;
-	  do
-	    {
-	      char *begin;
-	      long val;
-
-	      switch (*++cp)
-		{
-		case 'd':
-		  val = strtol ((begin = cp + 1), &cp, 10);
-		  break;
-		case 'x':
-		  val = strtol ((begin = cp + 1), &cp, 16);
-		  break;
-		default:
-		  val = strtol ((begin = cp), &cp, 8);
-		  break;
-		}
-	      if (begin == cp)
-		SYNTAX_ERROR;
-
-	      if (posix_conformance && cp - begin < 2)
-		error (0, 0, gettext ("%s:%u: byte constant has less than "
-				      "two digits"),
-		       charmap_data.filename, line_no);
-
-	      if (val < 0 || val > 255)
-		{
-		  error (0, 0, gettext ("%s:%u: character encoding must be "
-					"given in 8-bit bytes"),
-			 charmap_data.filename, line_no);
-		  goto end_of_loop;
-		}
-
-	      if (cnt < (size_t) charmap_data.mb_cur_max)
-		{
-		  if (cnt < sizeof (long))  /* FIXME */
-		    char_value = (char_value << 8) | val;
-		}
-	      else
-		{
-		  error (0, 0, gettext ("%s:%u: number of bytes in character "
-					"definition exceeds `mb_cur_max'"),
-			 charmap_data.filename, line_no);
-		  break;
-		}
-	      ++cnt;
-	    }
-	  while (*cp == charmap_data.escape_char);
-
-	  /* Ignore the rest of the line (comment).  */
-	  if (end2p == NULL)
-	    {
-	      if (insert_entry (&charmap_data.table, name_str,
-				end1p - name_str, (void *) char_value))
-		error (0, 0, gettext ("%s:%u: duplicate entry"),
-		       charmap_data.filename, line_no);
-
-	      max_char = MAX (max_char, char_value);
-	    }
-	  else
-	    {
-	      char *en1, *en2, *start1p;
-	      long n1, n2, n;
-
-	      start1p = name_str;
-
- 	      while (*start1p == *start2p && !isdigit (*start1p)
-		     && start1p < end1p)
-		  ++start1p, ++start2p;
-
-	      n1 = strtol (start1p, &en1, 10);
-	      n2 = strtol (start2p, &en2, 10);
-
-	      if (en1 - start1p != en2 - start2p || en1 != end1p
-		  || en2 != end2p)
-		SYNTAX_ERROR;
-
-	      if (n1 > n2)
-		error (0, 0, gettext ("%s:%u: starting character is bigger "
-				      "than last"),
-		       charmap_data.filename, line_no);
-
-	      n = n1;
-	      while (n <= n2)
-		{
-		  snprintf(start1p, en1 - start1p, "%0*d", en1 - start1p, n);
-
-		  if (insert_entry (&charmap_data.table, name_str,
-				    en1 - name_str,
-				    (void *) (char_value + n - n1)))
-		    error (0, 0, gettext ("%s:%u: duplicate entry"),
-			   charmap_data.filename, line_no);
-
-		  max_char = MAX (max_char, char_value + n - n1);
-		  ++n;
-		}
-	    }
-	}
-      else
-	{
-	  if (strncmp (cp, "END CHARMAP", 11) == 0)
-	    return max_char;
-	  
-	  SYNTAX_ERROR;
-	}
-      end_of_loop:
-    }
-
-  return max_char;
-}
-
-/*
- * Local Variables:
- *  mode:c
- *  c-basic-offset:2
- * End:
- */