From eb96af27f4059c93d7e000e910b71d74829a239b Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Mon, 7 Feb 2022 00:21:12 +0100
Subject: improve performance of case-insensitive matching

---
 dmenu.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/dmenu.c b/dmenu.c
index 98507d9..d06bea1 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -102,17 +102,6 @@ cleanup(void)
 	XCloseDisplay(dpy);
 }
 
-static char *
-cistrstr(const char *s, const char *sub)
-{
-	size_t len;
-
-	for (len = strlen(sub); *s; s++)
-		if (!strncasecmp(s, sub, len))
-			return (char *)s;
-	return NULL;
-}
-
 static int
 drawitem(struct item *item, int x, int y, int w)
 {
@@ -722,7 +711,7 @@ main(int argc, char *argv[])
 			fast = 1;
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
-			fstrstr = cistrstr;
+			fstrstr = strcasestr;
 		} else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
-- 
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