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/* SPDX-License-Identifier: GPL-2.0-only */
#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);
}
}
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