From 341760887456e78ed9b86b5b3008c3ddfbd96f97 Mon Sep 17 00:00:00 2001
From: pmqs <pmqs@cpan.org>
Date: Sun, 12 Nov 2023 16:53:51 +0000
Subject: [PATCH] Check for zero length path in mz_path_has_slash

Fix for https://github.com/zlib-ng/minizip-ng/issues/739
---
 mz_os.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mz_os.c b/mz_os.c
index b0a50b3e..57b1722f 100644
--- a/mz_os.c
+++ b/mz_os.c
@@ -68,7 +68,7 @@ int32_t mz_path_remove_slash(char *path) {
 
 int32_t mz_path_has_slash(const char *path) {
     int32_t path_len = (int32_t)strlen(path);
-    if (path[path_len - 1] != '\\' && path[path_len - 1] != '/')
+    if (path_len > 0 && path[path_len - 1] != '\\' && path[path_len - 1] != '/')
         return MZ_EXIST_ERROR;
     return MZ_OK;
 }