coreboot-kgpe-d16/util/nvramtool/reg_expr.c

38 lines
1.4 KiB
C

/*****************************************************************************\
* reg_expr.c
*****************************************************************************
* Please also read the file DISCLAIMER which is included in this software
* distribution.
*
* 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) version 2, dated June 1991.
*
* 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 terms and
* conditions of the GNU General Public License for more details.
\*****************************************************************************/
#include <stdarg.h>
#include "common.h"
#include "reg_expr.h"
/****************************************************************************
* compile_reg_expr
*
* Compile a regular expression.
****************************************************************************/
void compile_reg_expr(int cflags, const char *expr, regex_t *reg)
{
static const size_t ERROR_BUF_SIZE = 256;
char error_msg[ERROR_BUF_SIZE];
int result;
if ((result = regcomp(reg, expr, cflags)) != 0) {
regerror(result, reg, error_msg, ERROR_BUF_SIZE);
fprintf(stderr, "%s: %s\n", prog_name, error_msg);
exit(1);
}
}