libopkg: fix skipping of leading whitespace when parsing checksums

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/libopkg/file_util.c b/libopkg/file_util.c
index 61ff736cd2c82a224cb10f48d14532b8224bd792..7e955edd1635f7f0849d3ac1c024990ce20e6042 100644 (file)
--- a/libopkg/file_util.c
+++ b/libopkg/file_util.c
@@ -235,7 +235,7 @@ char *checksum_hex2bin(const char *src, size_t *len)
 {
        size_t slen;
        unsigned char *p;
-       const unsigned char *s = (unsigned char *)src;
+       const unsigned char *s;
        static unsigned char buf[32];
 
        if (!src) {
@@ -253,7 +253,7 @@ char *checksum_hex2bin(const char *src, size_t *len)
                return NULL;
        }
 
-       for (p = buf, *len = 0;
+       for (s = (unsigned char *)src, p = buf, *len = 0;
             slen > 0 && isxdigit(s[0]) && isxdigit(s[1]);
             slen--, s += 2, (*len)++)
                *p++ = hex2bin(s[0]) * 16 + hex2bin(s[1]);