Fix compilation warnings in digest_encode.c

Fix -Wpointer-sign and -Wunused-variable compilation warnings
in digest_encode.c

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/lib/ext2fs/digest_encode.c b/lib/ext2fs/digest_encode.c
index d90b3006b9c0586dc76cd6d64eb9cfa686a24738..075963ffc44afc5dd7770293dff7d94a3dc92b9c 100644 (file)
--- a/lib/ext2fs/digest_encode.c
+++ b/lib/ext2fs/digest_encode.c
@@ -78,7 +78,7 @@ int ext2fs_digest_decode(const char *src, int len, char *dst)
 static const struct {
        unsigned char d[32];
        unsigned int len;
-       const unsigned char *ed;
+       const char *ed;
 } tests[] = {
        { { 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
            0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
@@ -126,9 +126,9 @@ static const struct {
 
 int main(int argc, char **argv)
 {
-       int i, ret, len, len2;
+       int i, ret, len;
        int errors = 0;
-       unsigned char tmp[1024], tmp2[1024];
+       char tmp[1024], tmp2[1024];
 
        if (argc == 3 && !strcmp(argv[1], "encode")) {
                memset(tmp, 0, sizeof(tmp));
@@ -145,7 +145,8 @@ int main(int argc, char **argv)
        }
        for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
                memset(tmp, 0, sizeof(tmp));
-               ret = ext2fs_digest_encode(tests[i].d, tests[i].len, tmp);
+               ret = ext2fs_digest_encode((const char *) tests[i].d,
+                                          tests[i].len, tmp);
                len = strlen(tmp);
                printf("Test Digest %d (returned %d): ", i, ret);
                if (ret != len) {