improve performance of case-insensitive matching

1 files changed, 1 insertions, 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 */