From 49cc3cac30c504abdbd2c075928f5711da4066e8 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Tue, 27 Jul 2021 17:53:55 +0200
Subject: hush: optimize ${var/pattern/repl} for trivial patterns

function                                             old     new   delta
expand_one_var                                      2353    2507    +154

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 shell/match.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'shell/match.c')

diff --git a/shell/match.c b/shell/match.c
index ee8abb2db..90f77546d 100644
--- a/shell/match.c
+++ b/shell/match.c
@@ -64,11 +64,10 @@ char* FAST_FUNC scan_and_match(char *string, const char *pattern, unsigned flags
 	}
 
 	while (loc != end) {
-		char c;
 		int r;
 
-		c = *loc;
 		if (flags & SCAN_MATCH_LEFT_HALF) {
+			char c = *loc;
 			*loc = '\0';
 			r = fnmatch(pattern, string, 0);
 			//bb_error_msg("fnmatch('%s','%s',0):%d", pattern, string, r);
-- 
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