hush/libbb/xregcomp.c
Denis Vlasenko e865e81d34 less: stop dying on bad regexps, quietly pipe data w/o
user interaction if stdout is not a tty.
size optimizations
2006-12-21 13:24:58 +00:00

33 lines
744 B
C

/* 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 tarball for details.
*/
#include "libbb.h"
#include "xregex.h"
char* 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 xregcomp(regex_t *preg, const char *regex, int cflags)
{
char *errmsg = regcomp_or_errmsg(preg, regex, cflags);
if (errmsg) {
bb_error_msg_and_die("xregcomp: %s", errmsg);
}
}