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-rw-r--r--intl/l10nflist.c400
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diff --git a/intl/l10nflist.c b/intl/l10nflist.c
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+/* Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
+ Contributed by Ulrich Drepper <[email protected]>, 1995.
+
+ This program 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, 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+/* Tell glibc's <string.h> to provide a prototype for stpcpy().
+ This must come before <config.h> because <config.h> may include
+ <features.h>, and once <features.h> has been included, it's too late. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+
+#if defined _LIBC || defined HAVE_ARGZ_H
+# include <argz.h>
+#endif
+#include <ctype.h>
+#include <sys/types.h>
+#include <stdlib.h>
+
+#include "loadinfo.h"
+
+/* On some strange systems still no definition of NULL is found. Sigh! */
+#ifndef NULL
+# if defined __STDC__ && __STDC__
+# define NULL ((void *) 0)
+# else
+# define NULL 0
+# endif
+#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. */
+# ifndef stpcpy
+# define stpcpy(dest, src) __stpcpy(dest, src)
+# endif
+#else
+# ifndef HAVE_STPCPY
+static char *stpcpy PARAMS ((char *dest, const char *src));
+# endif
+#endif
+
+/* Define function which are usually not available. */
+
+#if !defined _LIBC && !defined HAVE___ARGZ_COUNT
+/* Returns the number of strings in ARGZ. */
+static size_t argz_count__ PARAMS ((const char *argz, size_t len));
+
+static size_t
+argz_count__ (argz, len)
+ const char *argz;
+ size_t len;
+{
+ size_t count = 0;
+ while (len > 0)
+ {
+ size_t part_len = strlen (argz);
+ argz += part_len + 1;
+ len -= part_len + 1;
+ count++;
+ }
+ return count;
+}
+# undef __argz_count
+# define __argz_count(argz, len) argz_count__ (argz, len)
+#endif /* !_LIBC && !HAVE___ARGZ_COUNT */
+
+#if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
+/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
+ except the last into the character SEP. */
+static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
+
+static void
+argz_stringify__ (argz, len, sep)
+ char *argz;
+ size_t len;
+ int sep;
+{
+ while (len > 0)
+ {
+ size_t part_len = strlen (argz);
+ argz += part_len;
+ len -= part_len + 1;
+ if (len > 0)
+ *argz++ = sep;
+ }
+}
+# undef __argz_stringify
+# define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
+#endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
+
+#if !defined _LIBC && !defined HAVE___ARGZ_NEXT
+static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
+ const char *entry));
+
+static char *
+argz_next__ (argz, argz_len, entry)
+ char *argz;
+ size_t argz_len;
+ const char *entry;
+{
+ if (entry)
+ {
+ if (entry < argz + argz_len)
+ entry = strchr (entry, '\0') + 1;
+
+ return entry >= argz + argz_len ? NULL : (char *) entry;
+ }
+ else
+ if (argz_len > 0)
+ return argz;
+ else
+ return 0;
+}
+# undef __argz_next
+# define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
+#endif /* !_LIBC && !HAVE___ARGZ_NEXT */
+
+
+/* Return number of bits set in X. */
+static int pop PARAMS ((int x));
+
+static inline int
+pop (x)
+ int x;
+{
+ /* We assume that no more than 16 bits are used. */
+ x = ((x & ~0x5555) >> 1) + (x & 0x5555);
+ x = ((x & ~0x3333) >> 2) + (x & 0x3333);
+ x = ((x >> 4) + x) & 0x0f0f;
+ x = ((x >> 8) + x) & 0xff;
+
+ return x;
+}
+
+
+struct loaded_l10nfile *
+_nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
+ territory, codeset, normalized_codeset, modifier, special,
+ sponsor, revision, filename, do_allocate)
+ struct loaded_l10nfile **l10nfile_list;
+ const char *dirlist;
+ size_t dirlist_len;
+ int mask;
+ const char *language;
+ const char *territory;
+ const char *codeset;
+ const char *normalized_codeset;
+ const char *modifier;
+ const char *special;
+ const char *sponsor;
+ const char *revision;
+ const char *filename;
+ int do_allocate;
+{
+ char *abs_filename;
+ struct loaded_l10nfile *last = NULL;
+ struct loaded_l10nfile *retval;
+ char *cp;
+ size_t entries;
+ int cnt;
+
+ /* Allocate room for the full file name. */
+ abs_filename = (char *) malloc (dirlist_len
+ + strlen (language)
+ + ((mask & TERRITORY) != 0
+ ? strlen (territory) + 1 : 0)
+ + ((mask & XPG_CODESET) != 0
+ ? strlen (codeset) + 1 : 0)
+ + ((mask & XPG_NORM_CODESET) != 0
+ ? strlen (normalized_codeset) + 1 : 0)
+ + (((mask & XPG_MODIFIER) != 0
+ || (mask & CEN_AUDIENCE) != 0)
+ ? strlen (modifier) + 1 : 0)
+ + ((mask & CEN_SPECIAL) != 0
+ ? strlen (special) + 1 : 0)
+ + (((mask & CEN_SPONSOR) != 0
+ || (mask & CEN_REVISION) != 0)
+ ? (1 + ((mask & CEN_SPONSOR) != 0
+ ? strlen (sponsor) + 1 : 0)
+ + ((mask & CEN_REVISION) != 0
+ ? strlen (revision) + 1 : 0)) : 0)
+ + 1 + strlen (filename) + 1);
+
+ if (abs_filename == NULL)
+ return NULL;
+
+ retval = NULL;
+ last = NULL;
+
+ /* Construct file name. */
+ memcpy (abs_filename, dirlist, dirlist_len);
+ __argz_stringify (abs_filename, dirlist_len, PATH_SEPARATOR);
+ cp = abs_filename + (dirlist_len - 1);
+ *cp++ = '/';
+ cp = stpcpy (cp, language);
+
+ if ((mask & TERRITORY) != 0)
+ {
+ *cp++ = '_';
+ cp = stpcpy (cp, territory);
+ }
+ if ((mask & XPG_CODESET) != 0)
+ {
+ *cp++ = '.';
+ cp = stpcpy (cp, codeset);
+ }
+ if ((mask & XPG_NORM_CODESET) != 0)
+ {
+ *cp++ = '.';
+ cp = stpcpy (cp, normalized_codeset);
+ }
+ if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
+ {
+ /* This component can be part of both syntaces but has different
+ leading characters. For CEN we use `+', else `@'. */
+ *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
+ cp = stpcpy (cp, modifier);
+ }
+ if ((mask & CEN_SPECIAL) != 0)
+ {
+ *cp++ = '+';
+ cp = stpcpy (cp, special);
+ }
+ if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
+ {
+ *cp++ = ',';
+ if ((mask & CEN_SPONSOR) != 0)
+ cp = stpcpy (cp, sponsor);
+ if ((mask & CEN_REVISION) != 0)
+ {
+ *cp++ = '_';
+ cp = stpcpy (cp, revision);
+ }
+ }
+
+ *cp++ = '/';
+ stpcpy (cp, filename);
+
+ /* Look in list of already loaded domains whether it is already
+ available. */
+ last = NULL;
+ for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
+ if (retval->filename != NULL)
+ {
+ int compare = strcmp (retval->filename, abs_filename);
+ if (compare == 0)
+ /* We found it! */
+ break;
+ if (compare < 0)
+ {
+ /* It's not in the list. */
+ retval = NULL;
+ break;
+ }
+
+ last = retval;
+ }
+
+ if (retval != NULL || do_allocate == 0)
+ {
+ free (abs_filename);
+ return retval;
+ }
+
+ retval = (struct loaded_l10nfile *)
+ malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
+ * (1 << pop (mask))
+ * sizeof (struct loaded_l10nfile *)));
+ if (retval == NULL)
+ return NULL;
+
+ retval->filename = abs_filename;
+ retval->decided = (__argz_count (dirlist, dirlist_len) != 1
+ || ((mask & XPG_CODESET) != 0
+ && (mask & XPG_NORM_CODESET) != 0));
+ retval->data = NULL;
+
+ if (last == NULL)
+ {
+ retval->next = *l10nfile_list;
+ *l10nfile_list = retval;
+ }
+ else
+ {
+ retval->next = last->next;
+ last->next = retval;
+ }
+
+ entries = 0;
+ /* If the DIRLIST is a real list the RETVAL entry corresponds not to
+ a real file. So we have to use the DIRLIST separation mechanism
+ of the inner loop. */
+ cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
+ for (; cnt >= 0; --cnt)
+ if ((cnt & ~mask) == 0
+ && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
+ && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
+ {
+ /* Iterate over all elements of the DIRLIST. */
+ char *dir = NULL;
+
+ while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
+ != NULL)
+ retval->successor[entries++]
+ = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
+ language, territory, codeset,
+ normalized_codeset, modifier, special,
+ sponsor, revision, filename, 1);
+ }
+ retval->successor[entries] = NULL;
+
+ return retval;
+}
+
+/* Normalize codeset name. There is no standard for the codeset
+ names. Normalization allows the user to use any of the common
+ names. The return value is dynamically allocated and has to be
+ freed by the caller. */
+const char *
+_nl_normalize_codeset (codeset, name_len)
+ const char *codeset;
+ size_t name_len;
+{
+ int len = 0;
+ int only_digit = 1;
+ char *retval;
+ char *wp;
+ size_t cnt;
+
+ for (cnt = 0; cnt < name_len; ++cnt)
+ if (isalnum ((unsigned char) codeset[cnt]))
+ {
+ ++len;
+
+ if (isalpha ((unsigned char) codeset[cnt]))
+ only_digit = 0;
+ }
+
+ retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
+
+ if (retval != NULL)
+ {
+ if (only_digit)
+ wp = stpcpy (retval, "iso");
+ else
+ wp = retval;
+
+ for (cnt = 0; cnt < name_len; ++cnt)
+ if (isalpha ((unsigned char) codeset[cnt]))
+ *wp++ = tolower ((unsigned char) codeset[cnt]);
+ else if (isdigit ((unsigned char) codeset[cnt]))
+ *wp++ = codeset[cnt];
+
+ *wp = '\0';
+ }
+
+ return (const char *) retval;
+}
+
+
+/* @@ begin of epilog @@ */
+
+/* We don't want libintl.a to depend on any other library. So we
+ avoid the non-standard function stpcpy. In GNU C Library this
+ function is available, though. Also allow the symbol HAVE_STPCPY
+ to be defined. */
+#if !_LIBC && !HAVE_STPCPY
+static char *
+stpcpy (dest, src)
+ char *dest;
+ const char *src;
+{
+ while ((*dest++ = *src++) != '\0')
+ /* Do nothing. */ ;
+ return dest - 1;
+}
+#endif