The enum grep_header_field is unsigned. Therefore the field part of the
grep_pat structure is unsigned and cannot be less then 0. We remove the
tautological check for p->field < 0.
Signed-off-by: David Soria Parra <dsp@xxxxxxx>
---
grep.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/grep.c b/grep.c
index 4bd1b8b..db177ef 100644
--- a/grep.c
+++ b/grep.c
@@ -625,7 +625,7 @@ static struct grep_expr *prep_header_patterns(struct grep_opt *opt)
for (p = opt->header_list; p; p = p->next) {
if (p->token != GREP_PATTERN_HEAD)
die("bug: a non-header pattern in grep header list.");
- if (p->field < 0 || GREP_HEADER_FIELD_MAX <= p->field)
+ if (GREP_HEADER_FIELD_MAX <= p->field)
die("bug: unknown header field %d", p->field);
compile_regexp(p, opt);
}
--
1.8.0.rc3.332.g181c802
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