extern/concat.h: don't segfault if count == 0

9 years ago · ba0f0998d9
1 changed files with 3 additions and 0 deletions
--- a/extern/concat.h
+++ b/extern/concat.h
@ -11,6 +11,9 @@ ccat(const unsigned short int count, ...)
 	unsigned short int i;
 	concat[0] = '\0';

+	if (count == 0)
+		return;
+
 	va_start(ap, count);
 	for(i = 0; i < count; i++)
 		strlcat(concat, va_arg(ap, char *), sizeof(concat));