2011/5/5 MichaÅ Kiedrowicz <michal.kiedrowicz@xxxxxxxxx>:
> +#ifdef NO_LIBPCRE
> +static void compile_pcre_regexp(struct grep_pat *p, struct grep_opt *opt)
> +{
> + Â Â Â die("cannot use Perl-compatible regexes when libpcre is not compiled in");
> +}
Looks like these two functions below can be just left empty, because you will
exit when calling compile_pcre_regexp in compile_regexp.
> +static int pcrematch(struct grep_pat *p, char *line, char *eol,
> + Â Â Â Â Â Â Â regmatch_t *match, int eflags)
> +{
> + Â Â Â die("cannot use Perl-compatible regexes when libpcre is not compiled in");
> +}
> +
> +static void free_pcre_regexp(struct grep_pat *p)
> +{
> + Â Â Â die("cannot use Perl-compatible regexes when libpcre is not compiled in");
> +}
> +
These will be never called, because...
> @@ -70,6 +135,11 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
> Â Â Â Âif (p->fixed)
> Â Â Â Â Â Â Â Âreturn;
>
> + Â Â Â if (opt->pcre) {
> + Â Â Â Â Â Â Â compile_pcre_regexp(p, opt);
> + Â Â Â Â Â Â Â return;
> + Â Â Â }
... you die here, if PCRE not available.
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