Merge branch 'maint-1.6.0' into maint

* maint-1.6.0:
  test-path-utils: Fix off by one, found by valgrind
  get_sha1_basic(): fix invalid memory access, found by valgrind

sha1_name.c

@@ -309,7 +309,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
 
 	/* basic@{time or number} format to query ref-log */
 	reflog_len = at = 0;
-	if (str[len-1] == '}') {
+	if (len && str[len-1] == '}') {
 		for (at = 0; at < len - 1; at++) {
 			if (str[at] == '@' && str[at+1] == '{') {
 				reflog_len = (len-1) - (at+2);

test-path-utils.c

@@ -3,7 +3,7 @@
 int main(int argc, char **argv)
 {
 	if (argc == 3 && !strcmp(argv[1], "normalize_absolute_path")) {
-		char *buf = xmalloc(strlen(argv[2])+1);
+		char *buf = xmalloc(PATH_MAX + 1);
 		int rv = normalize_absolute_path(buf, argv[2]);
 		assert(strlen(buf) == rv);
 		puts(buf);