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grep: Extract compile_regexp_failed() from compile_regexp()

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This simplifies compile_regexp() a little and allows re-using error
handling code.

Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michał Kiedrowicz 2011-05-09 23:52:04 +02:00 committed by Junio C Hamano
parent 8997da3820
commit a30c148aa7
1 changed files with 16 additions and 9 deletions
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25
grep.c
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@ -59,6 +59,21 @@ struct grep_opt *grep_opt_dup(const struct grep_opt *opt)
return ret;
}
static NORETURN void compile_regexp_failed(const struct grep_pat *p,
const char *error)
{
char where[1024];
if (p->no)
sprintf(where, "In '%s' at %d, ", p->origin, p->no);
else if (p->origin)
sprintf(where, "%s, ", p->origin);
else
where[0] = 0;
die("%s'%s': %s", where, p->pattern, error);
}
static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
{
int err;
@ -73,17 +88,9 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
err = regcomp(&p->regexp, p->pattern, opt->regflags);
if (err) {
char errbuf[1024];
char where[1024];
if (p->no)
sprintf(where, "In '%s' at %d, ",
p->origin, p->no);
else if (p->origin)
sprintf(where, "%s, ", p->origin);
else
where[0] = 0;
regerror(err, &p->regexp, errbuf, 1024);
regfree(&p->regexp);
die("%s'%s': %s", where, p->pattern, errbuf);
compile_regexp_failed(p, errbuf);
}
}