autoconf: Checks for some library functions.

diff --git a/pack-check.c b/pack-check.c
index e57587909e54d9317a18e3bfd43559562a40f0d5..3a62e1b7e40927390e10ae63943596a367ecbf47 100644 (file)
--- a/pack-check.c
+++ b/pack-check.c
@@ -29,10 +29,10 @@ static int verify_packfile(struct packed_git *p)
        pack_base = p->pack_base;
        SHA1_Update(&ctx, pack_base, pack_size - 20);
        SHA1_Final(sha1, &ctx);
-       if (memcmp(sha1, pack_base + pack_size - 20, 20))
+       if (memcmp(sha1, (char *) pack_base + pack_size - 20, 20))
                return error("Packfile %s SHA1 mismatch with itself",
                             p->pack_name);
-       if (memcmp(sha1, index_base + index_size - 40, 20))
+       if (memcmp(sha1, (char *) index_base + index_size - 40, 20))
                return error("Packfile %s SHA1 mismatch with idx",
                             p->pack_name);
 
@@ -135,7 +135,7 @@ int verify_pack(struct packed_git *p, int verbose)
        SHA1_Init(&ctx);
        SHA1_Update(&ctx, index_base, index_size - 20);
        SHA1_Final(sha1, &ctx);
-       if (memcmp(sha1, index_base + index_size - 20, 20))
+       if (memcmp(sha1, (char *) index_base + index_size - 20, 20))
                ret = error("Packfile index for %s SHA1 mismatch",
                            p->pack_name);