assign default error message

knok · knok · commit a53c872e5f0a · 2019-07-23T17:12:43.000+09:00
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;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -845,6 +845,8 @@ static const char *stbi__g_failure_reason;`
`845`	`845`
`846`	`846`	`STBIDEF const char *stbi_failure_reason(void)`
`847`	`847`	`{`
	`848`	`+ if (stbi__g_failure_reason == NULL)`
	`849`	`+ stbi__g_failure_reason = "unknwon error, refer error message before assignment";`
`848`	`850`	`return stbi__g_failure_reason;`
`849`	`851`	`}`
`850`	`852`