fopen_s -> fopen in linux(posix) code path.
diff --git a/tiny_gltf.h b/tiny_gltf.h
index d327b1b..e84725a 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -1415,6 +1415,7 @@
#include <algorithm>
//#include <cassert>
#ifndef TINYGLTF_NO_FS
+#include <cstdio>
#include <fstream>
#endif
#include <sstream>
@@ -2414,11 +2415,7 @@
#endif
#else
- FILE *fp = nullptr;
- errno_t err = fopen_s(&fp, abs_filename.c_str(), "rb");
- if (err != 0) {
- return false;
- }
+ FILE *fp = fopen(abs_filename.c_str(), "rb");
#endif
if (fp) {
ret = true;