assign default error message

saitoha · Jul 23, 2019 · a53c872 · a53c872
1 parent 2df6437
commit a53c872
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/stb_image.h b/src/stb_image.h
@@ -845,6 +845,8 @@ static const char *stbi__g_failure_reason;
 
 STBIDEF const char *stbi_failure_reason(void)
 {
+   if (stbi__g_failure_reason == NULL)
+      stbi__g_failure_reason = "unknwon error, refer error message before assignment";
    return stbi__g_failure_reason;
 }