diff options
Diffstat (limited to 'win32/intl/localealias.c')
| -rwxr-xr-x[-rw-r--r--] | win32/intl/localealias.c | 852 |
1 files changed, 426 insertions, 426 deletions
diff --git a/win32/intl/localealias.c b/win32/intl/localealias.c index 63619ab6..0841b7b9 100644..100755 --- a/win32/intl/localealias.c +++ b/win32/intl/localealias.c @@ -1,426 +1,426 @@ -/* Handle aliases for locale names.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
- Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
-
-#include "intlconfig.h"
-
-#include <ctype.h>
-#include <stdio.h>
-#include <sys/types.h>
-
-#ifdef __GNUC__
-# define alloca __builtin_alloca
-# define HAVE_ALLOCA 1
-#else
-# if defined HAVE_ALLOCA_H || defined _LIBC
-# include <alloca.h>
-# else
-# ifdef _AIX
- #pragma alloca
-# else
-# ifndef alloca
-char *alloca ();
-# endif
-# endif
-# endif
-#endif
-
-#if defined STDC_HEADERS || defined _LIBC
-# include <stdlib.h>
-#else
-char *getenv ();
-# ifdef HAVE_MALLOC_H
-# include <malloc.h>
-# else
-void free ();
-# endif
-#endif
-
-#if defined HAVE_STRING_H || defined _LIBC
-# ifndef _GNU_SOURCE
-# define _GNU_SOURCE 1
-# endif
-# include <string.h>
-#else
-# include <strings.h>
-# ifndef memcpy
-# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
-# endif
-#endif
-#if !HAVE_STRCHR && !defined _LIBC
-# ifndef strchr
-# define strchr index
-# endif
-#endif
-
-#include "gettext.h"
-#include "gettextP.h"
-
-#ifdef _MSC_VER
-#pragma warning (disable:4113)
-#endif
-
-/* @@ end of prolog @@ */
-
-#ifdef _LIBC
-/* Rename the non ANSI C functions. This is required by the standard
- because some ANSI C functions will require linking with this object
- file and the name space must not be polluted. */
-# define strcasecmp __strcasecmp
-
-# define mempcpy __mempcpy
-# define HAVE_MEMPCPY 1
-
-/* We need locking here since we can be called from different places. */
-# include <bits/libc-lock.h>
-
-__libc_lock_define_initialized (static, lock);
-#endif
-
-
-/* For those loosing systems which don't have `alloca' we have to add
- some additional code emulating it. */
-#ifdef HAVE_ALLOCA
-/* Nothing has to be done. */
-# define ADD_BLOCK(list, address) /* nothing */
-# define FREE_BLOCKS(list) /* nothing */
-#else
-struct block_list
-{
- void *address;
- struct block_list *next;
-};
-# define ADD_BLOCK(list, addr) \
- do { \
- struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \
- /* If we cannot get a free block we cannot add the new element to \
- the list. */ \
- if (newp != NULL) { \
- newp->address = (addr); \
- newp->next = (list); \
- (list) = newp; \
- } \
- } while (0)
-# define FREE_BLOCKS(list) \
- do { \
- while (list != NULL) { \
- struct block_list *old = list; \
- list = list->next; \
- free (old); \
- } \
- } while (0)
-# undef alloca
-# define alloca(size) (malloc (size))
-#endif /* have alloca */
-
-
-struct alias_map
-{
- const char *alias;
- const char *value;
-};
-
-
-static char *string_space = NULL;
-static size_t string_space_act = 0;
-static size_t string_space_max = 0;
-static struct alias_map *map;
-static size_t nmap = 0;
-static size_t maxmap = 0;
-
-
-/* Prototypes for local functions. */
-static size_t read_alias_file PARAMS ((const char *fname, int fname_len))
- internal_function;
-static void extend_alias_table PARAMS ((void));
-static int alias_compare PARAMS ((const struct alias_map *map1,
- const struct alias_map *map2));
-
-
-const char *
-_nl_expand_alias (name)
- const char *name;
-{
- static const char *locale_alias_path = LOCALE_ALIAS_PATH;
- struct alias_map *retval;
- const char *result = NULL;
- size_t added;
-
-#ifdef _LIBC
- __libc_lock_lock (lock);
-#endif
-
- do
- {
- struct alias_map item;
-
- item.alias = name;
-
- if (nmap > 0)
- retval = (struct alias_map *) bsearch (&item, map, nmap,
- sizeof (struct alias_map),
- (int (*) PARAMS ((const void *,
- const void *))
- ) alias_compare);
- else
- retval = NULL;
-
- /* We really found an alias. Return the value. */
- if (retval != NULL)
- {
- result = retval->value;
- break;
- }
-
- /* Perhaps we can find another alias file. */
- added = 0;
- while (added == 0 && locale_alias_path[0] != '\0')
- {
- const char *start;
-
- while (locale_alias_path[0] == ';')/*FRANCO changed : to ; for win32*/
- ++locale_alias_path;
- start = locale_alias_path;
-
- while (locale_alias_path[0] != '\0' && locale_alias_path[0] != ';')/*FRANCO changed : to ; for win32*/
- ++locale_alias_path;
-
- if (start < locale_alias_path)
- added = read_alias_file (start, locale_alias_path - start);
- }
- }
- while (added != 0);
-
-#ifdef _LIBC
- __libc_lock_unlock (lock);
-#endif
-
- return result;
-}
-
-
-static size_t
-internal_function
-read_alias_file (fname, fname_len)
- const char *fname;
- int fname_len;
-{
-#ifndef HAVE_ALLOCA
- struct block_list *block_list = NULL;
-#endif
- FILE *fp;
- char *full_fname;
- size_t added;
- static const char aliasfile[] = "/locale.alias";
-
- full_fname = (char *) alloca (fname_len + sizeof aliasfile);
- ADD_BLOCK (block_list, full_fname);
-#ifdef HAVE_MEMPCPY
- mempcpy (mempcpy (full_fname, fname, fname_len),
- aliasfile, sizeof aliasfile);
-#else
- memcpy (full_fname, fname, fname_len);
- memcpy (&full_fname[fname_len], aliasfile, sizeof aliasfile);
-#endif
-
- fp = fopen (full_fname, "r");
- if (fp == NULL)
- {
- FREE_BLOCKS (block_list);
- return 0;
- }
-
- added = 0;
- while (!feof (fp))
- {
- /* It is a reasonable approach to use a fix buffer here because
- a) we are only interested in the first two fields
- b) these fields must be usable as file names and so must not
- be that long
- */
- unsigned char buf[BUFSIZ];
- unsigned char *alias;
- unsigned char *value;
- unsigned char *cp;
-
- if (fgets (buf, sizeof buf, fp) == NULL)
- /* EOF reached. */
- break;
-
- /* Possibly not the whole line fits into the buffer. Ignore
- the rest of the line. */
- if (strchr (buf, '\n') == NULL)
- {
- char altbuf[BUFSIZ];
- do
- if (fgets (altbuf, sizeof altbuf, fp) == NULL)
- /* Make sure the inner loop will be left. The outer loop
- will exit at the `feof' test. */
- break;
- while (strchr (altbuf, '\n') == NULL);
- }
-
- cp = buf;
- /* Ignore leading white space. */
- while (isspace (cp[0]))
- ++cp;
-
- /* A leading '#' signals a comment line. */
- if (cp[0] != '\0' && cp[0] != '#')
- {
- alias = cp++;
- while (cp[0] != '\0' && !isspace (cp[0]))
- ++cp;
- /* Terminate alias name. */
- if (cp[0] != '\0')
- *cp++ = '\0';
-
- /* Now look for the beginning of the value. */
- while (isspace (cp[0]))
- ++cp;
-
- if (cp[0] != '\0')
- {
- size_t alias_len;
- size_t value_len;
-
- value = cp++;
- while (cp[0] != '\0' && !isspace (cp[0]))
- ++cp;
- /* Terminate value. */
- if (cp[0] == '\n')
- {
- /* This has to be done to make the following test
- for the end of line possible. We are looking for
- the terminating '\n' which do not overwrite here. */
- *cp++ = '\0';
- *cp = '\n';
- }
- else if (cp[0] != '\0')
- *cp++ = '\0';
-
- if (nmap >= maxmap)
- extend_alias_table ();
-
- alias_len = strlen (alias) + 1;
- value_len = strlen (value) + 1;
-
- if (string_space_act + alias_len + value_len > string_space_max)
- {
- /* Increase size of memory pool. */
- size_t new_size = (string_space_max
- + (alias_len + value_len > 1024
- ? alias_len + value_len : 1024));
- char *new_pool = (char *) realloc (string_space, new_size);
- if (new_pool == NULL)
- {
- FREE_BLOCKS (block_list);
- return added;
- }
- string_space = new_pool;
- string_space_max = new_size;
- }
-
- map[nmap].alias = memcpy (&string_space[string_space_act],
- alias, alias_len);
- string_space_act += alias_len;
-
- map[nmap].value = memcpy (&string_space[string_space_act],
- value, value_len);
- string_space_act += value_len;
-
- ++nmap;
- ++added;
- }
- }
- }
-
- /* Should we test for ferror()? I think we have to silently ignore
- errors. --drepper */
- fclose (fp);
-
- if (added > 0)
- qsort (map, nmap, sizeof (struct alias_map),
- (int (*) PARAMS ((const void *, const void *))) alias_compare);
-
- FREE_BLOCKS (block_list);
- return added;
-}
-
-
-static void
-extend_alias_table ()
-{
- size_t new_size;
- struct alias_map *new_map;
-
- new_size = maxmap == 0 ? 100 : 2 * maxmap;
- new_map = (struct alias_map *) realloc (map, (new_size
- * sizeof (struct alias_map)));
- if (new_map == NULL)
- /* Simply don't extend: we don't have any more core. */
- return;
-
- map = new_map;
- maxmap = new_size;
-}
-
-
-#ifdef _LIBC
-static void __attribute__ ((unused))
-free_mem (void)
-{
- if (string_space != NULL)
- free (string_space);
- if (map != NULL)
- free (map);
-}
-text_set_element (__libc_subfreeres, free_mem);
-#endif
-
-
-static int
-alias_compare (map1, map2)
- const struct alias_map *map1;
- const struct alias_map *map2;
-{
-#if defined _LIBC || defined HAVE_STRCASECMP
- return strcasecmp (map1->alias, map2->alias);
-#else
- const unsigned char *p1 = (const unsigned char *) map1->alias;
- const unsigned char *p2 = (const unsigned char *) map2->alias;
- unsigned char c1, c2;
-
- if (p1 == p2)
- return 0;
-
- do
- {
- /* I know this seems to be odd but the tolower() function in
- some systems libc cannot handle nonalpha characters. */
- c1 = isupper (*p1) ? tolower (*p1) : *p1;
- c2 = isupper (*p2) ? tolower (*p2) : *p2;
- if (c1 == '\0')
- break;
- ++p1;
- ++p2;
- }
- while (c1 == c2);
-
- return c1 - c2;
-#endif
-}
+/* Handle aliases for locale names. + Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ + +#include "intlconfig.h" + +#include <ctype.h> +#include <stdio.h> +#include <sys/types.h> + +#ifdef __GNUC__ +# define alloca __builtin_alloca +# define HAVE_ALLOCA 1 +#else +# if defined HAVE_ALLOCA_H || defined _LIBC +# include <alloca.h> +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca +char *alloca (); +# endif +# endif +# endif +#endif + +#if defined STDC_HEADERS || defined _LIBC +# include <stdlib.h> +#else +char *getenv (); +# ifdef HAVE_MALLOC_H +# include <malloc.h> +# else +void free (); +# endif +#endif + +#if defined HAVE_STRING_H || defined _LIBC +# ifndef _GNU_SOURCE +# define _GNU_SOURCE 1 +# endif +# include <string.h> +#else +# include <strings.h> +# ifndef memcpy +# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num) +# endif +#endif +#if !HAVE_STRCHR && !defined _LIBC +# ifndef strchr +# define strchr index +# endif +#endif + +#include "gettext.h" +#include "gettextP.h" + +#ifdef _MSC_VER +#pragma warning (disable:4113) +#endif + +/* @@ end of prolog @@ */ + +#ifdef _LIBC +/* Rename the non ANSI C functions. This is required by the standard + because some ANSI C functions will require linking with this object + file and the name space must not be polluted. */ +# define strcasecmp __strcasecmp + +# define mempcpy __mempcpy +# define HAVE_MEMPCPY 1 + +/* We need locking here since we can be called from different places. */ +# include <bits/libc-lock.h> + +__libc_lock_define_initialized (static, lock); +#endif + + +/* For those loosing systems which don't have `alloca' we have to add + some additional code emulating it. */ +#ifdef HAVE_ALLOCA +/* Nothing has to be done. */ +# define ADD_BLOCK(list, address) /* nothing */ +# define FREE_BLOCKS(list) /* nothing */ +#else +struct block_list +{ + void *address; + struct block_list *next; +}; +# define ADD_BLOCK(list, addr) \ + do { \ + struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ + /* If we cannot get a free block we cannot add the new element to \ + the list. */ \ + if (newp != NULL) { \ + newp->address = (addr); \ + newp->next = (list); \ + (list) = newp; \ + } \ + } while (0) +# define FREE_BLOCKS(list) \ + do { \ + while (list != NULL) { \ + struct block_list *old = list; \ + list = list->next; \ + free (old); \ + } \ + } while (0) +# undef alloca +# define alloca(size) (malloc (size)) +#endif /* have alloca */ + + +struct alias_map +{ + const char *alias; + const char *value; +}; + + +static char *string_space = NULL; +static size_t string_space_act = 0; +static size_t string_space_max = 0; +static struct alias_map *map; +static size_t nmap = 0; +static size_t maxmap = 0; + + +/* Prototypes for local functions. */ +static size_t read_alias_file PARAMS ((const char *fname, int fname_len)) + internal_function; +static void extend_alias_table PARAMS ((void)); +static int alias_compare PARAMS ((const struct alias_map *map1, + const struct alias_map *map2)); + + +const char * +_nl_expand_alias (name) + const char *name; +{ + static const char *locale_alias_path = LOCALE_ALIAS_PATH; + struct alias_map *retval; + const char *result = NULL; + size_t added; + +#ifdef _LIBC + __libc_lock_lock (lock); +#endif + + do + { + struct alias_map item; + + item.alias = name; + + if (nmap > 0) + retval = (struct alias_map *) bsearch (&item, map, nmap, + sizeof (struct alias_map), + (int (*) PARAMS ((const void *, + const void *)) + ) alias_compare); + else + retval = NULL; + + /* We really found an alias. Return the value. */ + if (retval != NULL) + { + result = retval->value; + break; + } + + /* Perhaps we can find another alias file. */ + added = 0; + while (added == 0 && locale_alias_path[0] != '\0') + { + const char *start; + + while (locale_alias_path[0] == ';')/*FRANCO changed : to ; for win32*/ + ++locale_alias_path; + start = locale_alias_path; + + while (locale_alias_path[0] != '\0' && locale_alias_path[0] != ';')/*FRANCO changed : to ; for win32*/ + ++locale_alias_path; + + if (start < locale_alias_path) + added = read_alias_file (start, locale_alias_path - start); + } + } + while (added != 0); + +#ifdef _LIBC + __libc_lock_unlock (lock); +#endif + + return result; +} + + +static size_t +internal_function +read_alias_file (fname, fname_len) + const char *fname; + int fname_len; +{ +#ifndef HAVE_ALLOCA + struct block_list *block_list = NULL; +#endif + FILE *fp; + char *full_fname; + size_t added; + static const char aliasfile[] = "/locale.alias"; + + full_fname = (char *) alloca (fname_len + sizeof aliasfile); + ADD_BLOCK (block_list, full_fname); +#ifdef HAVE_MEMPCPY + mempcpy (mempcpy (full_fname, fname, fname_len), + aliasfile, sizeof aliasfile); +#else + memcpy (full_fname, fname, fname_len); + memcpy (&full_fname[fname_len], aliasfile, sizeof aliasfile); +#endif + + fp = fopen (full_fname, "r"); + if (fp == NULL) + { + FREE_BLOCKS (block_list); + return 0; + } + + added = 0; + while (!feof (fp)) + { + /* It is a reasonable approach to use a fix buffer here because + a) we are only interested in the first two fields + b) these fields must be usable as file names and so must not + be that long + */ + unsigned char buf[BUFSIZ]; + unsigned char *alias; + unsigned char *value; + unsigned char *cp; + + if (fgets (buf, sizeof buf, fp) == NULL) + /* EOF reached. */ + break; + + /* Possibly not the whole line fits into the buffer. Ignore + the rest of the line. */ + if (strchr (buf, '\n') == NULL) + { + char altbuf[BUFSIZ]; + do + if (fgets (altbuf, sizeof altbuf, fp) == NULL) + /* Make sure the inner loop will be left. The outer loop + will exit at the `feof' test. */ + break; + while (strchr (altbuf, '\n') == NULL); + } + + cp = buf; + /* Ignore leading white space. */ + while (isspace (cp[0])) + ++cp; + + /* A leading '#' signals a comment line. */ + if (cp[0] != '\0' && cp[0] != '#') + { + alias = cp++; + while (cp[0] != '\0' && !isspace (cp[0])) + ++cp; + /* Terminate alias name. */ + if (cp[0] != '\0') + *cp++ = '\0'; + + /* Now look for the beginning of the value. */ + while (isspace (cp[0])) + ++cp; + + if (cp[0] != '\0') + { + size_t alias_len; + size_t value_len; + + value = cp++; + while (cp[0] != '\0' && !isspace (cp[0])) + ++cp; + /* Terminate value. */ + if (cp[0] == '\n') + { + /* This has to be done to make the following test + for the end of line possible. We are looking for + the terminating '\n' which do not overwrite here. */ + *cp++ = '\0'; + *cp = '\n'; + } + else if (cp[0] != '\0') + *cp++ = '\0'; + + if (nmap >= maxmap) + extend_alias_table (); + + alias_len = strlen (alias) + 1; + value_len = strlen (value) + 1; + + if (string_space_act + alias_len + value_len > string_space_max) + { + /* Increase size of memory pool. */ + size_t new_size = (string_space_max + + (alias_len + value_len > 1024 + ? alias_len + value_len : 1024)); + char *new_pool = (char *) realloc (string_space, new_size); + if (new_pool == NULL) + { + FREE_BLOCKS (block_list); + return added; + } + string_space = new_pool; + string_space_max = new_size; + } + + map[nmap].alias = memcpy (&string_space[string_space_act], + alias, alias_len); + string_space_act += alias_len; + + map[nmap].value = memcpy (&string_space[string_space_act], + value, value_len); + string_space_act += value_len; + + ++nmap; + ++added; + } + } + } + + /* Should we test for ferror()? I think we have to silently ignore + errors. --drepper */ + fclose (fp); + + if (added > 0) + qsort (map, nmap, sizeof (struct alias_map), + (int (*) PARAMS ((const void *, const void *))) alias_compare); + + FREE_BLOCKS (block_list); + return added; +} + + +static void +extend_alias_table () +{ + size_t new_size; + struct alias_map *new_map; + + new_size = maxmap == 0 ? 100 : 2 * maxmap; + new_map = (struct alias_map *) realloc (map, (new_size + * sizeof (struct alias_map))); + if (new_map == NULL) + /* Simply don't extend: we don't have any more core. */ + return; + + map = new_map; + maxmap = new_size; +} + + +#ifdef _LIBC +static void __attribute__ ((unused)) +free_mem (void) +{ + if (string_space != NULL) + free (string_space); + if (map != NULL) + free (map); +} +text_set_element (__libc_subfreeres, free_mem); +#endif + + +static int +alias_compare (map1, map2) + const struct alias_map *map1; + const struct alias_map *map2; +{ +#if defined _LIBC || defined HAVE_STRCASECMP + return strcasecmp (map1->alias, map2->alias); +#else + const unsigned char *p1 = (const unsigned char *) map1->alias; + const unsigned char *p2 = (const unsigned char *) map2->alias; + unsigned char c1, c2; + + if (p1 == p2) + return 0; + + do + { + /* I know this seems to be odd but the tolower() function in + some systems libc cannot handle nonalpha characters. */ + c1 = isupper (*p1) ? tolower (*p1) : *p1; + c2 = isupper (*p2) ? tolower (*p2) : *p2; + if (c1 == '\0') + break; + ++p1; + ++p2; + } + while (c1 == c2); + + return c1 - c2; +#endif +} |
