diff options
Diffstat (limited to 'libbb/xregcomp.c')
-rw-r--r-- | libbb/xregcomp.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libbb/xregcomp.c b/libbb/xregcomp.c new file mode 100644 index 0000000..61efb5b --- /dev/null +++ b/libbb/xregcomp.c @@ -0,0 +1,32 @@ +/* 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* 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); + } +} |