[hackers] [sbase] kill -l accepts at most 1 arg || sin

[git]

commit a81544a8102c588de8b40ba823294fe3f982d96f
Author: sin <s...@2f30.org>
Date:   Tue Nov 11 16:08:13 2014 +0000

    kill -l accepts at most 1 arg

diff --git a/kill.1 b/kill.1
index 0a41827..d248d9f 100644
--- a/kill.1
+++ b/kill.1
@@ -4,7 +4,7 @@ KILL \- signal processes
 .SH SYNOPSIS
 \fBkill\fR [ \fB-s\fR \fIsignal_name\fR ] \fIpid\fR \fI...\fR
 .P
-\fBkill\fR \fB-l\fR [ \fIexit_status\fR \fI...\fR]
+\fBkill\fR \fB-l\fR [ \fIexit_status\fR]
 .P
 \fBkill\fR \fB-\fR\fIsignal_name\fR \fIpid\fR \fI...\fR
 .P
diff --git a/kill.c b/kill.c
index ccc6a10..2ab0af8 100644
--- a/kill.c
+++ b/kill.c
@@ -28,7 +28,7 @@ static void
 usage(void)
 {
        weprintf("usage: %s [-s signame | -signum | -signame] pid ...\n", 
argv0);
-       weprintf("       %s -l [exit_status ...]\n", argv0);
+       weprintf("       %s -l [exit_status]\n", argv0);
        exit(1);
 }
 
@@ -72,19 +72,16 @@ main(int argc, char *argv[])
                                puts(sigs[i].name);
                        exit(0);
                }
-               for (; argc; argc--, argv++) {
-                       errno = 0;
-                       sig = strtol(argv[0], &end, 0);
-                       if (*end == '\0' && errno == 0) {
-                               name = sig2name(sig);
-                               if (!name)
-                                       printf("%d\n", sig);
-                               else
-                                       puts(name);
-                       } else {
-                               weprintf("%s: bad signal number\n", argv[0]);
-                               ret = 1;
-                       }
+               errno = 0;
+               sig = strtol(argv[0], &end, 0);
+               if (*end == '\0' && errno == 0) {
+                       name = sig2name(sig);
+                       if (!name)
+                               eprintf("%d: bad signal number\n", sig);
+                       else
+                               puts(name);
+               } else {
+                       eprintf("%s: bad signal name\n", argv[0]);
                }
                exit(0);
        } else {
@@ -108,7 +105,7 @@ main(int argc, char *argv[])
                                }
                        }
                        if (i == LEN(sigs))
-                               eprintf("%s: bad signal number\n", name);
+                               eprintf("%s: bad signal name\n", name);
                }
                argc--;
                argv++;