diff options
Diffstat (limited to 'lib/libc/locale/rpmatch.c')
-rw-r--r-- | lib/libc/locale/rpmatch.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/libc/locale/rpmatch.c b/lib/libc/locale/rpmatch.c new file mode 100644 index 0000000..4d90eb8 --- /dev/null +++ b/lib/libc/locale/rpmatch.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 2004-2005 Tim J. Robbins. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <langinfo.h> +#include <regex.h> +#include <stdlib.h> + +int +rpmatch(const char *response) +{ + regex_t yes, no; + int ret; + + if (regcomp(&yes, nl_langinfo(YESEXPR), REG_EXTENDED|REG_NOSUB) != 0) + return (-1); + if (regcomp(&no, nl_langinfo(NOEXPR), REG_EXTENDED|REG_NOSUB) != 0) { + regfree(&yes); + return (-1); + } + if (regexec(&yes, response, 0, NULL, 0) == 0) + ret = 1; + else if (regexec(&no, response, 0, NULL, 0) == 0) + ret = 0; + else + ret = -1; + regfree(&yes); + regfree(&no); + return (ret); +} |