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https://github.com/darlinghq/darling-gdb.git
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263 lines
6.5 KiB
C
263 lines
6.5 KiB
C
/* Compatibility code for gettext-using-catgets interface.
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Copyright (C) 1995, 1997 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <string.h>
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#else
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char *getenv ();
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# ifdef HAVE_MALLOC_H
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# include <malloc.h>
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# endif
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#endif
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#ifdef HAVE_NL_TYPES_H
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# include <nl_types.h>
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#endif
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#include "libgettext.h"
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/* @@ end of prolog @@ */
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/* XPG3 defines the result of `setlocale (category, NULL)' as:
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``Directs `setlocale()' to query `category' and return the current
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setting of `local'.''
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However it does not specify the exact format. And even worse: POSIX
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defines this not at all. So we can use this feature only on selected
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system (e.g. those using GNU C Library). */
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#ifdef _LIBC
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# define HAVE_LOCALE_NULL
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#endif
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/* The catalog descriptor. */
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static nl_catd catalog = (nl_catd) -1;
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/* Name of the default catalog. */
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static const char default_catalog_name[] = "messages";
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/* Name of currently used catalog. */
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static const char *catalog_name = default_catalog_name;
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/* Get ID for given string. If not found return -1. */
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static int msg_to_cat_id PARAMS ((const char *msg));
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/* Substitution for systems lacking this function in their C library. */
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#if !_LIBC && !HAVE_STPCPY
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static char *stpcpy PARAMS ((char *dest, const char *src));
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#endif
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/* Set currently used domain/catalog. */
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char *
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textdomain (domainname)
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const char *domainname;
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{
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nl_catd new_catalog;
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char *new_name;
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size_t new_name_len;
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char *lang;
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#if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES \
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&& defined HAVE_LOCALE_NULL
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lang = setlocale (LC_MESSAGES, NULL);
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#else
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lang = getenv ("LC_ALL");
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if (lang == NULL || lang[0] == '\0')
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{
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lang = getenv ("LC_MESSAGES");
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if (lang == NULL || lang[0] == '\0')
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lang = getenv ("LANG");
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}
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#endif
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if (lang == NULL || lang[0] == '\0')
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lang = "C";
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/* See whether name of currently used domain is asked. */
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if (domainname == NULL)
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return (char *) catalog_name;
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if (domainname[0] == '\0')
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domainname = default_catalog_name;
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/* Compute length of added path element. */
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new_name_len = sizeof (LOCALEDIR) - 1 + 1 + strlen (lang)
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+ sizeof ("/LC_MESSAGES/") - 1 + sizeof (PACKAGE) - 1
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+ sizeof (".cat");
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new_name = (char *) malloc (new_name_len);
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if (new_name == NULL)
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return NULL;
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strcpy (new_name, PACKAGE);
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new_catalog = catopen (new_name, 0);
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if (new_catalog == (nl_catd) -1)
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{
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/* NLSPATH search didn't work, try absolute path */
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sprintf (new_name, "%s/%s/LC_MESSAGES/%s.cat", LOCALEDIR, lang,
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PACKAGE);
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new_catalog = catopen (new_name, 0);
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if (new_catalog == (nl_catd) -1)
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{
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free (new_name);
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return (char *) catalog_name;
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}
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}
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/* Close old catalog. */
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if (catalog != (nl_catd) -1)
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catclose (catalog);
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if (catalog_name != default_catalog_name)
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free ((char *) catalog_name);
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catalog = new_catalog;
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catalog_name = new_name;
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return (char *) catalog_name;
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}
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char *
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bindtextdomain (domainname, dirname)
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const char *domainname;
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const char *dirname;
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{
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#if HAVE_SETENV || HAVE_PUTENV
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char *old_val, *new_val, *cp;
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size_t new_val_len;
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/* This does not make much sense here but to be compatible do it. */
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if (domainname == NULL)
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return NULL;
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/* Compute length of added path element. If we use setenv we don't need
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the first byts for NLSPATH=, but why complicate the code for this
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peanuts. */
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new_val_len = sizeof ("NLSPATH=") - 1 + strlen (dirname)
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+ sizeof ("/%L/LC_MESSAGES/%N.cat");
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old_val = getenv ("NLSPATH");
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if (old_val == NULL || old_val[0] == '\0')
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{
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old_val = NULL;
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new_val_len += 1 + sizeof (LOCALEDIR) - 1
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+ sizeof ("/%L/LC_MESSAGES/%N.cat");
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}
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else
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new_val_len += strlen (old_val);
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new_val = (char *) malloc (new_val_len);
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if (new_val == NULL)
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return NULL;
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# if HAVE_SETENV
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cp = new_val;
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# else
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cp = stpcpy (new_val, "NLSPATH=");
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# endif
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cp = stpcpy (cp, dirname);
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cp = stpcpy (cp, "/%L/LC_MESSAGES/%N.cat:");
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if (old_val == NULL)
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{
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# if __STDC__
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stpcpy (cp, LOCALEDIR "/%L/LC_MESSAGES/%N.cat");
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# else
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cp = stpcpy (cp, LOCALEDIR);
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stpcpy (cp, "/%L/LC_MESSAGES/%N.cat");
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# endif
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}
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else
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stpcpy (cp, old_val);
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# if HAVE_SETENV
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setenv ("NLSPATH", new_val, 1);
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free (new_val);
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# else
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putenv (new_val);
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/* Do *not* free the environment entry we just entered. It is used
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from now on. */
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# endif
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#endif
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return (char *) domainname;
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}
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#undef gettext
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char *
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gettext (msg)
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const char *msg;
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{
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int msgid;
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if (msg == NULL || catalog == (nl_catd) -1)
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return (char *) msg;
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/* Get the message from the catalog. We always use set number 1.
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The message ID is computed by the function `msg_to_cat_id'
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which works on the table generated by `po-to-tbl'. */
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msgid = msg_to_cat_id (msg);
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if (msgid == -1)
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return (char *) msg;
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return catgets (catalog, 1, msgid, (char *) msg);
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}
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/* Look through the table `_msg_tbl' which has `_msg_tbl_length' entries
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for the one equal to msg. If it is found return the ID. In case when
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the string is not found return -1. */
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static int
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msg_to_cat_id (msg)
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const char *msg;
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{
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int cnt;
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for (cnt = 0; cnt < _msg_tbl_length; ++cnt)
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if (strcmp (msg, _msg_tbl[cnt]._msg) == 0)
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return _msg_tbl[cnt]._msg_number;
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return -1;
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}
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/* @@ begin of epilog @@ */
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/* We don't want libintl.a to depend on any other library. So we
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avoid the non-standard function stpcpy. In GNU C Library this
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function is available, though. Also allow the symbol HAVE_STPCPY
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to be defined. */
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#if !_LIBC && !HAVE_STPCPY
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static char *
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stpcpy (dest, src)
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char *dest;
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const char *src;
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{
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while ((*dest++ = *src++) != '\0')
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/* Do nothing. */ ;
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return dest - 1;
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}
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#endif
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