fix gcc warning, thanks Paul Smith @madscientist

zhicheng · Feb 16, 2019 · 6148c69 · 6148c69
1 parent b7982e5
commit 6148c69
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base64.c b/base64.c
@@ -135,7 +135,7 @@ base64_decode(const char *in, unsigned int inlen, unsigned char *out)
 			return 0;
 		}
 
-		c = base64de[in[i]];
+		c = base64de[(unsigned char)in[i]];
 		if (c == 255) {
 			return 0;
 		}