stb_image_write: fix for fopen_s failure case

ago%!(EXTRA string=7 years) · b969dc38f3
parent 3f01acced4
commit b969dc38f3
1 changed files with 4 additions and 2 deletions
--- a/stb_image_write.h
+++ b/stb_image_write.h
@ -273,7 +273,8 @@ static int stbi__start_write_file(stbi__write_context *s, const char *filename)
 {
   FILE *f;
 #ifdef STBI_MSC_SECURE_CRT
-   fopen_s(&f, filename, "wb");
+   if (fopen_s(&f, filename, "wb"))
+      f = NULL;
 #else
   f = fopen(filename, "wb");
 #endif
@ -1102,7 +1103,8 @@ STBIWDEF int stbi_write_png(char const *filename, int x, int y, int comp, const
   unsigned char *png = stbi_write_png_to_mem((unsigned char *) data, stride_bytes, x, y, comp, &len);
   if (png == NULL) return 0;
 #ifdef STBI_MSC_SECURE_CRT
-   fopen_s(&f, filename, "wb");
+   if (fopen_s(&f, filename, "wb"))
+      f = NULL;
 #else
   f = fopen(filename, "wb");
 #endif