tool_cb_dbg.c: fix tool_cb_dbg() to behave properly even for size 0
authorOlaf Flebbe <o.flebbe@science-computing.de>
Tue, 27 Mar 2012 07:32:19 +0000 (09:32 +0200)
committerYang Tse <yangsita@gmail.com>
Tue, 27 Mar 2012 20:16:25 +0000 (22:16 +0200)
commit4bdb664c330d6f5ffb9613ee78c8f7866a6eea05
treea28669d5df1fa25498e814df199d246ba50462a9
parent459435dca17f65955d9d98885f604b1fe495289a
tool_cb_dbg.c: fix tool_cb_dbg() to behave properly even for size 0

curl segfault in debug callback triggered with CURLINFO_HEADER_OUT and size 0

bug: http://curl.haxx.se/bug/view.cgi?id=3511794
src/tool_cb_dbg.c