From: John Marshall <jmarshall@hey.com>
Date: Wed, 20 Sep 2023 20:08:05 +0000 (+1200)
Subject: Apply memchr optimisation in the general delimiter case too
X-Git-Url: http://www.kaiwu.me/sitemap.xml?a=commitdiff_plain;h=f0d6c0fffc679e8ee49c2a9529b0c067b2326b47;p=klib.git

Apply memchr optimisation in the general delimiter case too
---

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;						\