>From 71b5c685d0dd3e9b0298e1a9c37b32fbedece340 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 7 Sep 2020 17:20:11 -0700 Subject: [PATCH 2/4] Simplify regex_compile MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * src/dfasearch.c (regex_compile): "" suffices; we don’t need "\0". No need to initialize pat_lineno. --- src/dfasearch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/dfasearch.c b/src/dfasearch.c index 337345f..2ddab33 100644 --- a/src/dfasearch.c +++ b/src/dfasearch.c @@ -162,9 +162,9 @@ regex_compile (struct dfa_comp *dc, char const *p, ptrdiff_t len, return true; /* Emit a filename:lineno: prefix for patterns taken from files. */ - size_t pat_lineno = lineno; + size_t pat_lineno; char const *pat_filename - = lineno < 0 ? "\0" : pattern_file_name (lineno + 1, &pat_lineno); + = lineno < 0 ? "" : pattern_file_name (lineno + 1, &pat_lineno); if (*pat_filename == '\0') error (0, 0, "%s", err); -- 2.17.1