X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=md5sum.c;h=ac34623346ed9c0027cd192e005a008f5d00785d;hb=3a6da8c183142a2681a2382b63e970f457cf807b;hp=fa11ee61da28176284cc4a7cd55948d5d774227e;hpb=cbe31dace5fb24304694d399b9eb267fbe752516;p=oweals%2Fbusybox.git

diff --git a/md5sum.c b/md5sum.c
index fa11ee61d..ac3462334 100644
--- a/md5sum.c
+++ b/md5sum.c
@@ -819,8 +819,6 @@ int md5sum_main(int argc,
        if (string == NULL)
          string = (char **) xmalloc ((argc - 1) * sizeof (char *));
 
-       if (optarg == NULL)
-         optarg = "";
        string[n_strings++] = optarg;
        break;
      }
@@ -901,7 +899,12 @@ int md5sum_main(int argc,
 
       fail = md5_file (file, binary, md5buffer);
       err |= fail;
-      if (!fail) {
+      if (!fail && STREQ(file, "-")) {
+	  size_t i;
+	  for (i = 0; i < 16; ++i)
+	      printf ("%02x", md5buffer[i]);
+	  putchar ('\n');
+      } else if (!fail) {
         size_t i;
         /* Output a leading backslash if the file name contains
            a newline or backslash.  */