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/* xregex.c - regex functions with error messages
Carl D. Worth
Copyright (C) 2001 University of Southern California
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.
*/
#include "xregex.h"
#include "libbb/libbb.h"
static void print_regcomp_err(const regex_t *preg, int err);
int xregcomp(regex_t *preg, const char *regex, int cflags)
{
int err;
err = regcomp(preg, regex, cflags);
if (err) {
print_regcomp_err(preg, err);
}
return err;
}
static void print_regcomp_err(const regex_t *preg, int err)
{
unsigned int size;
char *error;
size = regerror(err, preg, 0, 0);
error = xcalloc(1, size);
regerror(err, preg, error, size);
opkg_msg(ERROR, "Internal error compiling regex: %s.", error);
free(error);
}
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