tweak signed/unsigned char usage to avoid mismatches

diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index 914f81fa24961f672f366d2e062281f089794c62..4f841f6380c10f9ddefd7c4af34cacda2eef39d5 100644 (file)
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -42,7 +42,7 @@ static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
        max = (hash_length * 2) + 2;
        hex_value = xmalloc(max);
        for (x = len = 0; x < hash_length; x++) {
-               len += snprintf(hex_value + len, max - len, "%02x", hash_value[x]);
+               len += snprintf((char*)(hex_value + len), max - len, "%02x", hash_value[x]);
        }
        return (hex_value);
 }
@@ -98,7 +98,7 @@ static int hash_files(int argc, char **argv, const uint8_t hash_algo)
                FILE *pre_computed_stream;
                int count_total = 0;
                int count_failed = 0;
-               unsigned char *file_ptr = argv[optind];
+               char *file_ptr = argv[optind];
                char *line;
 
                if (optind + 1 != argc) {
@@ -129,7 +129,7 @@ static int hash_files(int argc, char **argv, const uint8_t hash_algo)
 
                        hash_value = hash_file(filename_ptr, hash_algo);
 
-                       if (hash_value && (strcmp(hash_value, line) == 0)) {
+                       if (hash_value && (strcmp((char*)hash_value, line) == 0)) {
                                if (!(flags & FLAG_SILENT))
                                        printf("%s: OK\n", filename_ptr);
                        } else {
@@ -162,7 +162,7 @@ static int hash_files(int argc, char **argv, const uint8_t hash_algo)
                hash_value = xmalloc(hash_length);
 
                while (optind < argc) {
-                       unsigned char *file_ptr = argv[optind++];
+                       char *file_ptr = argv[optind++];
 
                        hash_value = hash_file(file_ptr, hash_algo);
                        if (hash_value == NULL) {