# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1536150765 -32400
# Node ID e85462d48cb3a59f67a595510fc7977cba6ed358
# Parent  23a00bc90a3c0082b10bbe2c8e6eedd3cc96d6f8
manifest: rewrite pathlen() to not cross entry boundary

Even though the entire manifest data should be terminated by '\0', it seems
not nice to scan '\0' over the entry terminator, '\n'.

diff -r 23a00bc90a3c -r e85462d48cb3 mercurial/cext/manifest.c
--- a/mercurial/cext/manifest.c	Wed Sep 26 21:24:14 2018 +0900
+++ b/mercurial/cext/manifest.c	Wed Sep 05 21:32:45 2018 +0900
@@ -42,7 +42,8 @@
 /* get the length of the path for a line */
 static size_t pathlen(line *l)
 {
-	return strlen(l->start);
+	const char *end = memchr(l->start, '\0', l->len);
+	return (end) ? (size_t)(end - l->start) : l->len;
 }
 
 /* get the node value of a single line */