diff options
Diffstat (limited to 'lib/rpmatch.c')
-rw-r--r-- | lib/rpmatch.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/lib/rpmatch.c b/lib/rpmatch.c deleted file mode 100644 index ba8bc4ce9..000000000 --- a/lib/rpmatch.c +++ /dev/null @@ -1,79 +0,0 @@ -/* Determine whether string value is affirmation or negative response - according to current locale's data. - Copyright (C) 1996, 1998, 2000, 2002, 2003 Free Software Foundation, Inc. - - 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. */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#include <stddef.h> -#include <stdlib.h> - -#if ENABLE_NLS -# include <sys/types.h> -# include <limits.h> -# include <regex.h> -# include "gettext.h" -# define _(msgid) gettext (msgid) - -static int -try (const char *response, const char *pattern, const int match, - const int nomatch, const char **lastp, regex_t *re) -{ - if (pattern != *lastp) - { - /* The pattern has changed. */ - if (*lastp) - { - /* Free the old compiled pattern. */ - regfree (re); - *lastp = NULL; - } - /* Compile the pattern and cache it for future runs. */ - if (regcomp (re, pattern, REG_EXTENDED) != 0) - return -1; - *lastp = pattern; - } - - /* See if the regular expression matches RESPONSE. */ - return regexec (re, response, 0, NULL, 0) == 0 ? match : nomatch; -} -#endif - - -int -rpmatch (const char *response) -{ -#if ENABLE_NLS - /* Match against one of the response patterns, compiling the pattern - first if necessary. */ - - /* We cache the response patterns and compiled regexps here. */ - static const char *yesexpr, *noexpr; - static regex_t yesre, nore; - int result; - - return ((result = try (response, _("^[yY]"), 1, 0, - &yesexpr, &yesre)) - ? result - : try (response, _("^[nN]"), 0, -1, &noexpr, &nore)); -#else - /* Test against "^[yY]" and "^[nN]", hardcoded to avoid requiring regex */ - return (*response == 'y' || *response == 'Y' ? 1 - : *response == 'n' || *response == 'N' ? 0 : -1); -#endif -} |