URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [intl/] [catgets.c] - Rev 207
Compare with Previous | Blame | View Log
/* Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, <drepper@gnu.org>. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <alloca.h> #include <errno.h> #include <locale.h> #include <nl_types.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/mman.h> #include "catgetsinfo.h" /* Open the catalog and return a descriptor for the catalog. */ nl_catd catopen (const char *cat_name, int flag) { __nl_catd result; const char *env_var = NULL; const char *nlspath = NULL; if (strchr (cat_name, '/') == NULL) { if (flag == NL_CAT_LOCALE) /* Use the current locale setting for LC_MESSAGES. */ env_var = setlocale (LC_MESSAGES, NULL); else /* Use the LANG environment variable. */ env_var = getenv ("LANG"); if (env_var == NULL || *env_var == '\0' || (__libc_enable_secure && strchr (env_var, '/') != NULL)) env_var = "C"; nlspath = getenv ("NLSPATH"); if (nlspath != NULL && *nlspath != '\0') { /* Append the system dependent directory. */ size_t len = strlen (nlspath) + 1 + sizeof NLSPATH; char *tmp = alloca (len); __stpcpy (__stpcpy (__stpcpy (tmp, nlspath), ":"), NLSPATH); nlspath = tmp; } else nlspath = NLSPATH; } result = (__nl_catd) malloc (sizeof (*result)); if (result == NULL) /* We cannot get enough memory. */ return (nl_catd) -1; if (__open_catalog (cat_name, nlspath, env_var, result) != 0) /* Couldn't open the file. */ return (nl_catd) -1; return (nl_catd) result; } /* Return message from message catalog. */ char * catgets (nl_catd catalog_desc, int set, int message, const char *string) { __nl_catd catalog; size_t idx; size_t cnt; /* Be generous if catalog which failed to be open is used. */ if (catalog_desc == (nl_catd) -1 || ++set <= 0 || message < 0) return (char *) string; catalog = (__nl_catd) catalog_desc; idx = ((set * message) % catalog->plane_size) * 3; cnt = 0; do { if (catalog->name_ptr[idx + 0] == (u_int32_t) set && catalog->name_ptr[idx + 1] == (u_int32_t) message) return (char *) &catalog->strings[catalog->name_ptr[idx + 2]]; idx += catalog->plane_size * 3; } while (++cnt < catalog->plane_depth); __set_errno (ENOMSG); return (char *) string; } /* Return resources used for loaded message catalog. */ int catclose (nl_catd catalog_desc) { __nl_catd catalog; /* Be generous if catalog which failed to be open is used. */ if (catalog_desc == (nl_catd) -1) { __set_errno (EBADF); return -1; } catalog = (__nl_catd) catalog_desc; #ifdef _POSIX_MAPPED_FILES if (catalog->status == mmapped) __munmap ((void *) catalog->file_ptr, catalog->file_size); else #endif /* _POSIX_MAPPED_FILES */ if (catalog->status == malloced) free ((void *) catalog->file_ptr); else { __set_errno (EBADF); return -1; } free ((void *) catalog); return 0; }