Author: gad
Date: Mon Apr 30 00:54:10 2012
New Revision: 234824
URL: http://svn.freebsd.org/changeset/base/234824
Log:
Catch the user-error when no queue name was specified on an
lpc-command which supports '-msg' (e.g.: setstatus). Print
out a helpful error message instead hitting a seg-fault.
MFC after: 3 weeks
Modified:
head/usr.sbin/lpr/lpc/cmds.c
Modified: head/usr.sbin/lpr/lpc/cmds.c
==============================================================================
--- head/usr.sbin/lpr/lpc/cmds.c Sun Apr 29 22:29:48 2012
(r234823)
+++ head/usr.sbin/lpr/lpc/cmds.c Mon Apr 30 00:54:10 2012
(r234824)
@@ -163,6 +163,14 @@ generic(void (*specificrtn)(struct print
break;
}
}
+ if (argc < 1) {
+ printf("error: No printer name(s) specified before"
+ " '-msg'.\n");
+ printf("usage: %s {all | printer ...}",
+ generic_cmdname);
+ printf(" [-msg <text> ...]\n");
+ return;
+ }
}
/* call initialization routine, if there is one for this cmd */
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