This patch contains fixes for calls to potentially unsafe string
manipulation functions.  It is almost certain that some of these updates
patch security vulnerabilities.  Other changes may avert future
vulnerabilities.  In addition, TODO comments were added to certain
sections of code where further checks should be implemented.  This
version of the patch makes changes to the following files in the most
current CVS (as of today): 

block.c
dyngen.c
monitor.c
sparc-dis.c
thunk.c
vl.c
linux-user/elfload.c
linux-user/path.c
linux-user/syscall.c
slirp/debug.c
slirp/mbuf.c
slirp/misc.c
slirp/tcp_subr.c
slirp/udp.c
target-i386/helper2.c

Any original code contained within this patch is hereby released into
the public domain.  All derivative portions of code contained within,
for the purposes of documentation, are a part of QEMU, and are therefore
protected by the copyright of their respective authors.

While care was taken in making these changes, it is possible that this
patch will break something.  Use your own risk.  Please report any
success/failure to:
tim {HYPHEN} qemu {AT} sentinelchicken {DOT} org.