ggformat

commit 6078fa9b254a689ae50bc8218e66e5bdc05bef36
parent 2bc77b4ce70e2c8477d743febf434265ae55d655
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Fri, 25 Aug 2017 09:41:39 +0100

Allow ggformat( NULL, 0 )

Diffstat:
ggformat.cc
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ggformat.cc b/ggformat.cc
@@ -277,7 +277,9 @@ void ggformat_literals( FormatBuffer * fb, const char * literals, size_t len ) {
 		copied_len++;
 	}
 	fb->len += copied_len;
-	fb->buf[ fb->len < fb->capacity - 1 ? fb->len : fb->capacity - 1 ] = '\0';
+	if( fb->capacity > 0 ) {
+		fb->buf[ fb->len < fb->capacity - 1 ? fb->len : fb->capacity - 1 ] = '\0';
+	}
 }
 
 void ggformat_impl( FormatBuffer * fb, const char * fmt ) {