# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1737898627 -3600
# Node ID 747c4baed44f3307c2bf500165f7c22d2317c3a3
# Parent  4f02c1101f2ee9382d620b2220144f6430a23a4d
improve cx_strchr()

diff -r 4f02c1101f2e -r 747c4baed44f src/string.c
--- a/src/string.c	Sun Jan 26 14:23:13 2025 +0100
+++ b/src/string.c	Sun Jan 26 14:37:07 2025 +0100
@@ -220,14 +220,9 @@
         cxstring string,
         int chr
 ) {
-    chr = 0xFF & chr;
-    // TODO: improve by comparing multiple bytes at once
-    for (size_t i = 0; i < string.length; i++) {
-        if (string.ptr[i] == chr) {
-            return cx_strsubs(string, i);
-        }
-    }
-    return (cxstring) {NULL, 0};
+    char *ret = memchr(string.ptr, 0xFF & chr, string.length);
+    if (ret == NULL) return (cxstring) {NULL, 0};
+    return (cxstring) {ret, string.length - (ret - string.ptr)};
 }
 
 cxmutstr cx_strchr_m(