crash if seeker.size() < 4

[pavel pimenov]

FlylinkDC++ r5xx ~230 crash if seeker.size() < 4

http://yadi.sk/d/WtdtH7BGMhYsP - seeker = ":0" !

Crash dump:
https://crash-server.com/Problem.aspx?ClientID=ppa&ProblemID=64297
https://crash-server.com/Problem.aspx?ClientID=ppa&ProblemID=63507

hot fix for original DC++:

diff -r f0b0e8d11291 dcpp/NmdcHub.cpp
--- a/dcpp/NmdcHub.cpp Thu Apr 17 12:46:07 2014 +0300
+++ b/dcpp/NmdcHub.cpp Fri Apr 18 12:03:48 2014 +0400
@@ -262,7 +262,8 @@
                        }
                } else {
                        // Hub:seeker
- if(Util::stricmp(seeker.c_str() + 4, getMyNick().c_str()) == 0) {
+ if(seeker.size() > 4 &&
+ Util::stricmp(seeker.c_str() + 4, getMyNick().c_str()) == 0) {
                                return;
                        }
                }

[poy (poy)]

simple test-case: send "$Search S |".

[poy (poy)]

fixed in rev 1d751b2467b5 of the default branch and rev 979b99db8008 of the 0.840 branch.

[eMTee (realprogger)]

Fixed in DC++ 0.843.