1 files changed, 23 insertions, 0 deletions
diff --git a/zap/src/mem/strcmp.c b/zap/src/mem/strcmp.c
new file mode 100644
index 0000000..691717a
--- /dev/null
+++ b/zap/src/mem/strcmp.c
@@ -0,0 +1,23 @@
+/*
+ Copyright 2022 Gabriel Jensen.
+ This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+ If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+*/
+
+#include <zap/priv.h>
+
+#include <zap/mem.h>
+
+#include <stdint.h>
+
+zap_cmp zap_strcmp(char const * const _lstr,char const * const _rstr) {
+ unsigned char const * lpos = (unsigned char const *)_lstr;
+ unsigned char const * rpos = (unsigned char const *)_rstr;
+ for (;;++lpos,++rpos) {
+ unsigned char const lchr = *lpos;
+ unsigned char const rchr = *rpos;
+ sus_likely (lchr != rchr) {return lchr < rchr ? zap_lt : zap_gt;}
+ sus_unlikely (lchr == (unsigned char)0x0) {return zap_eq;}
+ }
+ sus_unreach();
+}