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3fd15e197e
This fixes problems with NULs in files being scanned, but costs +800 bytes. The same can be done to sed (TODO).
33 lines
777 B
C
33 lines
777 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) many different people.
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* If you wrote this, please acknowledge your work.
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include "xregex.h"
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char* FAST_FUNC regcomp_or_errmsg(regex_t *preg, const char *regex, int cflags)
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{
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int ret = regcomp(preg, regex, cflags);
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if (ret) {
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int errmsgsz = regerror(ret, preg, NULL, 0);
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char *errmsg = xmalloc(errmsgsz);
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regerror(ret, preg, errmsg, errmsgsz);
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return errmsg;
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}
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return NULL;
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}
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void FAST_FUNC xregcomp(regex_t *preg, const char *regex, int cflags)
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{
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char *errmsg = regcomp_or_errmsg(preg, regex, cflags);
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if (errmsg) {
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bb_error_msg_and_die("bad regex '%s': %s", regex, errmsg);
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}
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}
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