v06i040: patches for "redir"

[Brandon S. Allbery - comp.sources.misc]

Posting-number: Volume 6, Issue 40
Submitted-by: djk at munnari.UUCP
Archive-name: redir.unpat1

[Unofficial patches; keep the original in case the author posts official ones.
++bsa]

{ Something seems to have munged the tabs on v06i031 before they got to uunet.
I had to unexpand -a, and manually expand a couple of unexpand's mistakes. }

Here are some improvements to make "redir" a bit more robust:

*** redir.c	Mon Feb  6 19:06:28 1989
--- redir.new.c	Mon Feb  6 19:02:33 1989
***************
*** 151,154 ****
--- 151,161 ----
  	close(fd);
      }
+ 
+     if (argv[optind] == NULL) {
+ 	fprintf(stderr, USAGESTRING, argv[0]);
+         exit(1);
+     }
      execvp(argv[optind], argv + optind);
+     fprintf(stderr, "%s: ", argv[0]);
+     perror(argv[optind]);
  }

		David Keegel	(djk%munnari.oz.AU at uunet.UU.NET)