diff options
Diffstat (limited to 'src/tsort.c')
-rw-r--r-- | src/tsort.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/tsort.c b/src/tsort.c index d7573de82..52f0550e3 100644 --- a/src/tsort.c +++ b/src/tsort.c @@ -534,8 +534,7 @@ tsort (const char *file) if (n_strings > 0) { /* The input contains a loop. */ - error (0, 0, _("%s: input contains a loop:"), - (have_read_stdin ? "-" : file)); + error (0, 0, _("%s: input contains a loop:"), file); exit_status = 1; /* Print the loop and remove a relation to break it. */ @@ -574,16 +573,13 @@ main (int argc, char **argv) have_read_stdin = 0; - if (optind + 1 < argc) + if (1 < argc - optind) { error (0, 0, _("only one argument may be specified")); usage (EXIT_FAILURE); } - if (optind < argc) - tsort (argv[optind]); - else - tsort ("-"); + tsort (optind == argc ? "-" : argv[optind]); if (have_read_stdin && fclose (stdin) == EOF) error (EXIT_FAILURE, errno, _("standard input")); |