kill[all[5]]: accept -s SIG too. kill_main: +29 bytes

 by Steve Bennett (steveb AT workware.net.au)

1 files changed, 7 insertions, 3 deletions

diff --git a/procps/kill.c b/procps/kill.c
index ed659afdc..140550018 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -96,10 +96,14 @@ int kill_main(int argc, char **argv)
                 if (arg[0] != '-') goto do_it_now;
         }
 
-        /* -SIG */
-        signo = get_signum(&arg[1]);
+        arg++; /* skip '-' */
+        if (argc > 1 && arg[0] == 's' && arg[1] == '\0') { /* -s SIG? */
+                argc--;
+                arg = *++argv;
+        } /* else it must be -SIG */
+        signo = get_signum(arg);
         if (signo < 0) { /* || signo > MAX_SIGNUM ? */
-                bb_error_msg("bad signal name '%s'", &arg[1]);
+                bb_error_msg("bad signal name '%s'", arg);
                 return EXIT_FAILURE;
         }
         arg = *++argv;