(split_3): Unprotoize.

(hex_digits): Unprotoize.
(main): Interpret `no file args' as request to read from stdin.
(usage): Reflect that change.

diff --git a/src/md5sum.c b/src/md5sum.c
index 2154209f6e49a0b53ef5367b9b5af17d2eceb312..0327ecb09ec8abd0e60a345bd4fa0afcc54fa043 100644 (file)
--- a/src/md5sum.c
+++ b/src/md5sum.c
@@ -172,7 +172,8 @@ static void process_buffer __P ((const void *buffer, size_t len,
 /* FIXME: This is provisory.  Use strtok.  */
 
 static int
-split_3 (char *s, char **u, char **v, char **w)
+split_3 (s, u, v, w)
+     char *s, **u, **v, **w;
 {
   size_t i;
   char *p[3];
@@ -227,7 +228,8 @@ split_3 (char *s, char **u, char **v, char **w)
 /* FIXME: use strcspn.  */
 
 static int
-hex_digits (const char *s)
+hex_digits (s)
+     const char *s;
 {
   while (*s)
     {
@@ -332,10 +334,7 @@ main (argc, argv)
   else if (check_file == NULL)
     {
       if (optind == argc)
-       {
-         error (0, errno, _("missing file argument"));
-         usage (1);
-       }
+       argv[argc++] = "-";
 
       for (; optind < argc; ++optind)
        {
@@ -442,7 +441,7 @@ usage (status)
             program_name);
   else
     printf (_("\
-Usage: %s [OPTION] FILE...\n\
+Usage: %s [OPTION] [FILE]...\n\
   or:  %s --check=FILE\n\
   or:  %s --string=STRING\n\
 Mandatory arguments to long options are mandatory for short options too.\n\