Add stb_image regression test for attempted PoC in nothings#1454 (com…

…ment)

tests/CMakeLists.txt

@@ -118,6 +118,17 @@ if(NOT STB_SANITIZERS)
   endif()
 endif()
 
+#-------------------------------------------------------------------------------
+# stb_image regression test cases
+add_executable(stb_image_test_issues
+  image/image_test_issues.c
+  image/1454_gif.h
+)
+target_compile_options(stb_image_test_issues PRIVATE ${STB_SANITIZERS})
+if(UNIX)
+  target_link_options(stb_image_test_issues PRIVATE ${STB_SANITIZERS})
+endif()
+
 #-------------------------------------------------------------------------------
 # Vorbis test cases
 add_executable(stb_vorbis_test_issues

tests/image/1454_gif.h

@@ -0,0 +1,33 @@
+/* https://github.com/nothings/stb/pull/1454#issuecomment-2581308033 */
+
+#include "../../stb_image.h"
+
+#include <stdlib.h>
+
+int test_1454_gif()
+{
+	const stbi_uc data[] = { 'G', 'I', 'F', '8', '9', 'a', // Magic number
+		1, 0, 1, 0, // Width and height
+		0, 0, 0}; // flags, bgindex, ratio
+	int size = (int)sizeof(data);
+
+	int *delays = NULL;
+	int x, y, z, comp;
+	stbi_uc* image = stbi_load_gif_from_memory(
+		(const stbi_uc*)data, size,
+		&delays,
+		&x, &y, &z,
+		&comp, 3);
+
+	if (image)
+	{
+		stbi_image_free(image);
+	}
+
+	if (delays)
+	{
+		stbi_image_free(delays);
+	}
+
+	return EXIT_SUCCESS;
+}

tests/image/image_test_issues.c

@@ -0,0 +1,8 @@
+#include "1454_gif.h"
+
+#define STB_IMAGE_IMPLEMENTATION
+#include "../../stb_image.h"
+
+int main() {
+	test_1454_gif();
+}