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This keeps sendmail from DoSing my machine when thousands of messages
come in (generally mailing list bounces).
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ok millert@ `as long as basename(3) still points to the C routine'
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for example when -fexpensive-optimizations is used, sometimes causes incorrect
code sequences to be generated.
As -fexpensive-optimizations is implied by -O2, this means we are potentially
affected by this in numerous places... so add a specific workaround to nullify
expensizve-optimizations in preserve_subexpressions_p() on a
known-to-be-affected basis.
So far, only alpha, powerpc, m88k, sparc and sparc64 are affected.
Problem tracked down by henning@ - analysis by etoh@ and I - ugly workaround
by me - ok deraadt@
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hundred bytes) block copies. While the functions themselves are probably
optimal or not far from it, the code responsible for their invocation is not,
and has a bad tendency of miscomputing the destination buffer address,
especially when optimization is used.
This is a temporary measure, these functions will be reenabled once a good fix
is ready.
ok deraadt@ espie@
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of erroring out in a later sanity check. Error noticed by jolan@
This only affects the -Wbounded case
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ok millert@
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without an argument. problem reported by adrian at coresecurity.com
ok millert@
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Configuration settings mostly borrowed from the former gcc 2.8 configuration.
A few typos and fixes backported from gcc 3.3, and a hell lot of fixes from
my fingertips.
This is enough to yield a compiler which will produce correct code at -O0.
Optimization is slightly broken for some constructs, and more fixes are in
the pipeline.
ok deraadt@
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ok deraadt@
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(vfp const))". The incoming_args alone is derived from the address operation of the 1st function argument. This fixes to protect the 1st function argument from buffer overflow.
ok pvalcehv@
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at modifying the argument information.
ok pvalchev@
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The incoming_args alone is derived from the address operation of the 1st function argument. This fixes to protect the 1st function argument from buffer overflow.
ok pvalchev@
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format args (%r,%z,%:,%b). A step towards reenabling -Wformat in the
kernel again ...
deraadt@ ok
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the libc functions are in place, remove HARD_QUAD from sparc64. (If you
actually want it, for some demented reason, look at -mhard-quad-float,
void where prohibited).
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convention for the _Qp_* functions. Rather than fix it, rely on the
fact that it does produce correct calls to the _Q_* functions and
provide a shim in libc (already committed) to deal with it.
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- change 2 instances of the check from != "yes" to == "no"
ok deraadt@
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ok drahn@
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from Manuel Sabban (PR 3345);
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deraadt@ ok
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with mdoc help from jmc@, deraadt@ ok
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length passed to common functions such as strlcpy/strlcat match the
real length of the buffer. It also checks to make sure that the bound
length was not incorrectly derived from a sizeof(pointer) operation.
Functions must be marked with the new attribute __bounded__, and warnings
are turned on by -Wbounded. Specifying -Wformat also enables bounds
checking for scanf(3) bounds to '%s' format variables. -Wall now turns
on -Wbounded also.
The checking is pretty limited right now to constant parameters, and the
buffers must be statically declared, and not inside a record type. This
simple checking still found hundreds of bugs around the ports tree though,
and there have been no false positive warnings.
10x to niklas@, Richard Sharp and David Scott {rich,dave}@recoil.org for
compiler advice. deraadt@ ok, miod@ tested on his collection of hardware
You need to recompile gcc now if source upgrading in -current before
doing a make world.
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a while ago.
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Fix based on:
Subject: [perl #16799] Perl 5.8.0 breaks POSIX::isprint() (and other POSIX::xxx)
From: "esm@pobox.com (via RT)" <perlbug@perl.org>
Date: 27 Aug 2002 22:10:16 -0000
Message-Id: <rt-16799-35846.14.4842888832041@bugs6.perl.org>
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questionable license. These will be rewritten soon I hope. Our compress,
linked against libz, now does everything gzip does.
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skip the canonicalization; (minus A (plus B C)) to (minus (minus A B) C) where B is frame pointer and C is frame offset.
ok pvalchev@
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following RTL conversion; (plus (plus fp offset) const) to (plus (plus fp const) offset).
ok pvalchev@
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