blob: d106f85749dfdf3c7c6501b1fb4d8d88691b5fd4 [file] [log] [blame]
/* 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"
#if defined(__UC_LIBC__USE_REGEXP_H__)
#include <regexp.h>
void xregcomp(regex_t *preg, const char *reg, int cflags)
{
regexp *ret;
const char *r;
r = reg;
if (cflags)
bb_error_msg_and_die("xregcomp: no support for -i");
ret = regcomp(r);
if (ret == NULL) {
regerror("cannot compile expression");
exit(1);
}
*preg = ret;
}
#else
#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);
}
}
#endif
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/