[PATCH v3 2/4] grep/pcre2: simplify boolean spaghetti
From: Ævar Arnfjörð Bjarmason <hidden>
Date: 2021-01-24 02:14:02
Subsystem:
the rest · Maintainer:
Linus Torvalds
Simplify an expression I added in 870eea8166 (grep: do not enter
PCRE2_UTF mode on fixed matching, 2019-07-26) by using a simple
application of De Morgan's laws[1]. I.e.:
NOT(A && B) is Equivalent to (NOT(A) OR NOT(B))
1. https://en.wikipedia.org/wiki/De_Morgan%27s_laws
Signed-off-by: Ævar Arnfjörð Bjarmason <redacted>
---
grep.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/grep.c b/grep.c
index efeb6dc58d..0bb772f727 100644
--- a/grep.c
+++ b/grep.c@@ -491,7 +491,7 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt options |= PCRE2_CASELESS; } if (!opt->ignore_locale && is_utf8_locale() && has_non_ascii(p->pattern) && - !(!opt->ignore_case && (p->fixed || p->is_fixed))) + (opt->ignore_case || !(p->fixed || p->is_fixed))) options |= PCRE2_UTF; p->pcre2_pattern = pcre2_compile((PCRE2_SPTR)p->pattern,
--
2.29.2.222.g5d2a92d10f8