Make ‘pad’ unsigned

1 files changed, 1 insertions, 1 deletions

diff --git a/b32.c b/b32.c
index 84810e3..a116769 100644
--- a/b32.c
+++ b/b32.c
@@ -25,7 +25,7 @@ bool
 b32toa(char *dst, const char *src, size_t len)
 {
 	char c;
-	int pad = 0;
+	size_t pad = 0;
 	uint8_t vs[8];
 
 	while (src[len - 1 - pad] == '=') {