From 6603ee7739db9db34e3acf8bb3f4c6219fb50ee1 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Wed, 26 Nov 2025 07:22:21 -0500
Subject: Speed up match_token() by ~5x.

---
 src/alf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/alf.c b/src/alf.c
index 7b27861..8fedb20 100644
--- a/src/alf.c
+++ b/src/alf.c
@@ -206,6 +206,9 @@ int match_token(int pos) {
 	int i;
 
 	for(i = curr_token - 1; i >= INIT_TOKEN; i--) {
+		/* if the first char doesn't match, don't bother with memcmp.
+		   this is a 5x speedup (!) */
+		if(input_buf[pos] != *(tokentab[i].start)) continue;
 		if(memcmp(&input_buf[pos], tokentab[i].start, tokentab[i].length) == 0)
 			return i;
 	}
-- 
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