md5/shaXsum: accept uppercase hex strings

The coreutils versions of md5sum and the like accept uppercase hex
strings from checksum files specified with the '-c' option.

Use a case-insensitive comparison so BusyBox does the same.

(GitHub issue #394)

1 files changed, 4 insertions, 0 deletions

diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index f6a21237d..15f2c04de 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -320,7 +320,11 @@ int md5_sha1_sum_main(int argc UNUSED_PARAM, char **argv)
 
                                 hash_value = hash_file(in_buf, filename_ptr, sha3_width);
 
+#if ENABLE_PLATFORM_MINGW32
+                                if (hash_value && (strcasecmp((char*)hash_value, line) == 0)) {
+#else
                                 if (hash_value && (strcmp((char*)hash_value, line) == 0)) {
+#endif
                                         if (!(flags & FLAG_SILENT))
                                                 printf("%s: OK\n", filename_ptr);
                                 } else {