From cace76c5873d6d58c4db43d5eb9b3d2e4107428f Mon Sep 17 00:00:00 2001
From: djk <djk>
Date: Wed, 3 May 2000 13:34:18 +0000
Subject: [PATCH] 1. put some extra checks and balances in to message send
 routine in Msg.pm to see if I can prevent the error seen by Arnold (which I
 think is only likely to appear in heavily loaded sites).

---
 Changes     | 4 ++++
 perl/Msg.pm | 7 +++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Changes b/Changes
index 5b9060d0..c56dfd4c 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,7 @@
+30Apr00=======================================================================
+1. put some extra checks and balances in to message send routine in Msg.pm to
+see if I can prevent the error seen by Arnold (which I think is only likely to
+appear in heavily loaded sites).
 25Apr00=======================================================================
 1. Changed reply so that you can reply to more than one address privately
 31Mar00=======================================================================
diff --git a/perl/Msg.pm b/perl/Msg.pm
index 9df7640e..33a0af80 100644
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -110,9 +110,11 @@ sub _send {
 
     while (@$rq) {
         my $msg            = $rq->[0];
-        my $bytes_to_write = length($msg) - $offset;
+		my $mlth           = length($msg);
+        my $bytes_to_write = $mlth - $offset;
         my $bytes_written  = 0;
-        while ($bytes_to_write) {
+		confess("Negative Length! msg: '$msg' lth: $mlth offset: $offset") if $bytes_to_write < 0;
+        while ($bytes_to_write > 0) {
             $bytes_written = syswrite ($sock, $msg,
                                        $bytes_to_write, $offset);
             if (!defined($bytes_written)) {
@@ -124,6 +126,7 @@ sub _send {
                     # be called back eventually, and will resume sending
                     return 1;
                 } else {    # Uh, oh
+					delete $conn->{send_offset};
                     $conn->handle_send_err($!);
                     return 0; # fail. Message remains in queue ..
                 }
-- 
2.43.0