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/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) many different people.
* If you wrote this, please acknowledge your work.
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
#include "xregex.h"
char* FAST_FUNC regcomp_or_errmsg(regex_t *preg, const char *regex, int cflags)
{
int ret = regcomp(preg, regex, cflags);
if (ret) {
int errmsgsz = regerror(ret, preg, NULL, 0);
char *errmsg = xmalloc(errmsgsz);
regerror(ret, preg, errmsg, errmsgsz);
return errmsg;
}
return NULL;
}
void FAST_FUNC xregcomp(regex_t *preg, const char *regex, int cflags)
{
char *errmsg = regcomp_or_errmsg(preg, regex, cflags);
if (errmsg) {
bb_error_msg_and_die("bad regex '%s': %s", regex, errmsg);
}
}
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