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Fix SEGV of kill -l 0 

* kill.cc (strsigno): Don't call sys_sigabbrev for signal 0.
	(listsig): Don't call strsigno for signal 0.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Michael Kwasigroch 2015-11-26 22:30:43 +01:00 committed by Corinna Vinschen
parent 2f4fef955c
commit 9471b0b36d
2 changed files with 8 additions and 3 deletions
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5
winsup/utils/ChangeLog
View File

@ -1,3 +1,8 @@
2015-11-26 Michael Kwasigroch <mkwasigr@web.de>
* kill.cc (strsigno): Don't call sys_sigabbrev for signal 0.
(listsig): Don't call strsigno for signal 0.
2015-11-18 Corinna Vinschen <corinna@vinschen.de>
* setfacl.c (action_t): Rename DeleteAll to DeleteExt. Add

6
winsup/utils/kill.cc
View File

@ -1,7 +1,7 @@
/* kill.cc
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
2009, 2011 Red Hat, Inc.
2009, 2011, 2015 Red Hat, Inc.
This file is part of Cygwin.
@ -70,7 +70,7 @@ print_version ()
static const char *
strsigno (int signo)
{
if (signo >= 0 && signo < NSIG)
if (signo > 0 && signo < NSIG)
return sys_sigabbrev[signo];
static char buf[sizeof ("Unknown signal") + 32];
sprintf (buf, "Unknown signal %d", signo);
@ -121,7 +121,7 @@ listsig (const char *in_sig)
{
sig = getsig (in_sig);
test_for_unknown_sig (sig, in_sig);
if (atoi (in_sig) == sig)
if (sig && atoi (in_sig) == sig)
puts (strsigno (sig) + 3);
else
printf ("%d\n", sig);