Squashed 'external/stb/stb/' content from commit c39c7023e

git-subtree-dir: external/stb/stb
git-subtree-split: c39c7023ebb833ce099750fe35509aca5662695e

tests/stbi_read_fuzzer.c

@@ -0,0 +1,28 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define STB_IMAGE_IMPLEMENTATION
+
+#include "../stb_image.h"
+
+
+int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    int x, y, channels;
+
+    if(!stbi_info_from_memory(data, size, &x, &y, &channels)) return 0;
+
+    /* exit if the image is larger than ~80MB */
+    if(y && x > (80000000 / 4) / y) return 0;
+
+    unsigned char *img = stbi_load_from_memory(data, size, &x, &y, &channels, 4);
+
+    free(img);
+
+    return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif