pgrep: distinguish between invalid commandline parameters and '-?'

A patch from Debian. Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=413383 Backported-by: Sami Kerola <kerolasa@iki.fi>
2009-11-24 11:00:49 +11:00 · 2009-11-24 11:00:49 +11:00 · c73a449482
commit c73a449482
parent 551d7e4114
1 changed files with 1 additions and 1 deletions
--- a/pgrep.c
+++ b/pgrep.c
@ -684,7 +684,7 @@ static void parse_opts (int argc, char **argv)
 //		case 'z':   // Solaris: match by zone ID
 //			break;
 		case '?':
-			usage (opt);
+			usage (optopt ? optopt : opt);
 			break;
 		}
 	}