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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2000-03-19 03:15:58 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2000-03-19 03:15:58 +0000 |
| commit | 41d6edb2c1acac32a0296d594f0943752d23f077 (patch) | |
| tree | 66ec857b54096fa525d2f4fa3f1741b9f8f9462e /ext | |
| parent | d929ce6fe8f415355968ae904607a49f36ad5c70 (diff) | |
| download | perl-41d6edb2c1acac32a0296d594f0943752d23f077.tar.gz | |
Taint msgrcv() messages; general SysV IPC cleanup.
p4raw-id: //depot/cfgperl@5812
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/IPC/SysV/Msg.pm | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/ext/IPC/SysV/Msg.pm b/ext/IPC/SysV/Msg.pm index 099329826f..120a5b2d3a 100644 --- a/ext/IPC/SysV/Msg.pm +++ b/ext/IPC/SysV/Msg.pm @@ -90,14 +90,14 @@ sub rcv { msgrcv($$self,$buf,$_[1],$_[2] || 0, $_[3] || 0) or return; my $type; - ($type,$_[0]) = unpack("L a*",$buf); + ($type,$_[0]) = unpack("l! a*",$buf); $type; } sub snd { @_ <= 4 && @_ >= 3 or croak '$msg->snd( TYPE, BUF, FLAGS )'; my $self = shift; - msgsnd($$self,pack("L a*",$_[0],$_[1]), $_[2] || 0); + msgsnd($$self,pack("l! a*",$_[0],$_[1]), $_[2] || 0); } @@ -111,12 +111,12 @@ IPC::Msg - SysV Msg IPC object class =head1 SYNOPSIS - use IPC::SysV qw(IPC_PRIVATE S_IRWXU S_IRWXG S_IRWXO); + use IPC::SysV qw(IPC_PRIVATE S_IRWXU); use IPC::Msg; - $msg = new IPC::Msg(IPC_PRIVATE, S_IRWXU | S_IRWXG | S_IRWXO); + $msg = new IPC::Msg(IPC_PRIVATE, S_IRWXU); - $msg->snd(pack("L a*",$msgtype,$msg)); + $msg->snd(pack("l! a*",$msgtype,$msg)); $msg->rcv($buf,256); @@ -157,8 +157,8 @@ Returns the system message queue identifier. =item rcv ( BUF, LEN [, TYPE [, FLAGS ]] ) -Read a message from the queue. Returns the type of the message read. See -L<msgrcv> +Read a message from the queue. Returns the type of the message read. +See L<msgrcv>. The BUF becomes tainted. =item remove |