Constify some input pointers

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index cb838e43..ead03004 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -1006,7 +1006,7 @@ static int sha256_file(const char *path, unsigned char output[32])
  * @return a NULL terminated string with the hexadecimal representation of
  * bytes or NULL on error. This string must be freed.
  */
-static char *hex_representation(unsigned char *bytes, size_t size)
+static char *hex_representation(const unsigned char *bytes, size_t size)
 {
 	static const char *hex_digits = "0123456789abcdef";
 	char *str;