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* Small optimization for set_timer(): now only removes the timer from the list

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if it won't be added anymore.
* Small fix for set_timer(): now set the timer->due field back to 0 when a
  timer is removed - this prevented a timer from being correctly readded later
  (possible crash)!
* net_buffer's append_cloned_data() now does some more checks to prevent unnecessary
  work and detect wrong arguments.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19375 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-11-26 23:18:36 +00:00
parent 8449c78396
commit fc8c0ec946
2 changed files with 11 additions and 5 deletions
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src/add-ons/kernel/network/stack/net_buffer.cpp
+4 -1
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@@ -845,12 +845,15 @@ status_t
append_cloned_data(net_buffer *_buffer, net_buffer *_source, uint32 offset,
size_t bytes)
{
if (bytes == 0)
return B_OK;
net_buffer_private *buffer = (net_buffer_private *)_buffer;
net_buffer_private *source = (net_buffer_private *)_source;
TRACE(("append_cloned_data(buffer %p, source %p, offset = %ld, bytes = %ld)\n",
buffer, source, offset, bytes));
if (source->size < offset + bytes)
if (source->size < offset + bytes || source->size < offset)
return B_BAD_VALUE;
// find data_node to start with from the source buffer