From f0d6c0fffc679e8ee49c2a9529b0c067b2326b47 Mon Sep 17 00:00:00 2001
From: John Marshall <jmarshall@hey.com>
Date: Thu, 21 Sep 2023 08:08:05 +1200
Subject: [PATCH] Apply memchr optimisation in the general delimiter case too

---
 kseq.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kseq.h b/kseq.h
index 99c9ea2..81cc774 100644
--- a/kseq.h
+++ b/kseq.h
@@ -111,8 +111,8 @@ typedef struct __kstring_t {
 				unsigned char *sep = memchr(ks->buf + ks->begin, '\n', ks->end - ks->begin); \
 				i = sep != NULL ? sep - ks->buf : ks->end;				\
 			} else if (delimiter > KS_SEP_MAX) {						\
-				for (i = ks->begin; i < ks->end; ++i)					\
-					if (ks->buf[i] == delimiter) break;					\
+				unsigned char *sep = memchr(ks->buf + ks->begin, delimiter, ks->end - ks->begin); \
+				i = sep != NULL ? sep - ks->buf : ks->end;				\
 			} else if (delimiter == KS_SEP_SPACE) {						\
 				for (i = ks->begin; i < ks->end; ++i)					\
 					if (isspace(ks->buf[i])) break;						\
-- 
2.47.3