Early return if the string is the same

Swagtoy · Swagtoy · commit a817fdb4cbfd · 2024-09-30T16:56:23.000-04:00
diff --git a/irr/include/irrString.h b/irr/include/irrString.h
@@ -172,6 +172,9 @@ class string
 			clear();
 			return *this;
 		}
+		
+		if ((void*)c == (void*)c_str())
+            return *this;
 
         u32 len = calclen(c);
         // In case `c` is a pointer to our own buffer, we may not resize first

Original file line number	Diff line number	Diff line change
`@@ -172,6 +172,9 @@ class string`
`172`	`172`	`clear();`
`173`	`173`	`return *this;`
`174`	`174`	`}`
	`175`	`+`
	`176`	`+ if ((void)c == (void)c_str())`
	`177`	`+ return *this;`
`175`	`178`
`176`	`179`	`u32 len = calclen(c);`
`177`	`180`	// In case `c` is a pointer to our own buffer, we may not resize first