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If the input buffer exceeds the stack auxiliary buffer, qsort will
malloc a temporary one to call mergesort. Since C++ standard does
allow the callback comparison function to throw [1], the glibc
implementation can potentially leak memory.
The fixes uses a pthread_cleanup_combined_push and
pthread_cleanup_combined_pop, so it can work with and without
exception enables. The qsort code path that calls malloc now
requires some extra setup and a call to __pthread_cleanup_push
anmd __pthread_cleanup_pop (which should be ok since they just
setup some buffer state).
Checked on x86_64-linux-gnu.
[1] https://timsong-cpp.github.io/cppwp/n4950/alg.c.library#4
Reviewed-by: DJ Delorie <dj@redhat.com>
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In qsort_r we allocate a buffer sized QSORT_STACK_SIZE (1024) on stack
and we intend to use it if all elements can fit into it. But there is a
typo:
if (total_size < sizeof buf)
buf = tmp;
else
/* allocate a buffer on heap and use it ... */
Here "buf" is a pointer, thus sizeof buf is just 4 or 8, instead of
1024. There is also a minor issue that we should use "<=" instead of
"<".
This bug is detected debugging some strange heap corruption running the
Ruby-3.3.0 test suite (on an experimental Linux From Scratch build using
Binutils-2.41.90 and Glibc trunk, and also Fedora Rawhide [1]). It
seems Ruby is doing some wild "optimization" by jumping into somewhere
in qsort_r instead of calling it normally, resulting in a double free of
buf if we allocate it on heap. The issue can be reproduced
deterministically with:
LD_PRELOAD=/usr/lib/libc_malloc_debug.so MALLOC_CHECK_=3 \
LD_LIBRARY_PATH=. ./ruby test/runner.rb test/ruby/test_enum.rb
in Ruby-3.3.0 tree after building it. This change would hide the issue
for Ruby, but Ruby is likely still buggy (if using this "optimization"
sorting larger arrays).
[1]:https://kojipkgs.fedoraproject.org/work/tasks/9729/111889729/build.log
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
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Checked on x86_64-linux-gnu.
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When malloc fails to allocate a buffer and falls back to heapsort, the
current heapsort implementation does not perform sorting when there are
exactly two elements. Heapsort is now skipped only when there is
exactly one element.
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The mergesort removal from qsort implementation (commit 03bf8357e8)
had the side-effect of making sorting nonstable. Although neither
POSIX nor C standard specify that qsort should be stable, it seems
that it has become an instance of Hyrum's law where multiple programs
expect it.
Also, the resulting introsort implementation is not faster than
the previous mergesort (which makes the change even less appealing).
This patch restores the previous mergesort implementation, with the
exception of machinery that checks the resulting allocation against
the _SC_PHYS_PAGES (it only adds complexity and the heuristic not
always make sense depending on the system configuration and load).
The alloca usage was replaced with a fixed-size buffer.
For the fallback mechanism, the implementation uses heapsort. It is
simpler than quicksort, and it does not suffer from adversarial
inputs. With memory overcommit, it should be rarely triggered.
The drawback is mergesort requires O(n) extra space, and since it is
allocated with malloc the function is AS-signal-unsafe. It should be
feasible to change it to use mmap, although I am not sure how urgent
it is. The heapsort is also nonstable, so programs that require a
stable sort would still be subject to this latent issue.
The tst-qsort5 is removed since it will not create quicksort adversarial
inputs with the current qsort_r implementation.
Checked on x86_64-linux-gnu and aarch64-linux-gnu.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
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The previous check did not do anything because tmp_ptr already
points before run_ptr due to the way it is initialized.
Fixes commit e4d8117b82065dc72e8df80097360e7c05a349b9
("stdlib: Avoid another self-comparison in qsort").
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The existing logic avoided internal stack overflow. To avoid
a denial-of-service condition with adversarial input, it is necessary
to fall over to heapsort if tail-recursing deeply, too, which does
not result in a deep stack of pending partitions.
The new test stdlib/tst-qsort5 is based on Douglas McIlroy's paper
on this subject.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The previous implementation did not consistently apply the rule that
the child nodes of node K are at 2 * K + 1 and 2 * K + 2, or
that the parent node is at (K - 1) / 2.
Add an internal test that targets the heapsort implementation
directly.
Reported-by: Stepan Golosunov <stepan@golosunov.pp.ru>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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In the insertion phase, we could run off the start of the array if the
comparison function never runs zero. In that case, it never finds the
initial element that terminates the iteration.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This improves compatibility with applications which assume that qsort
does not invoke the comparison function with equal pointer arguments.
The newly introduced branches should be predictable, as leading to a
call to the comparison function. If the prediction fails, we avoid
calling the function.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch removes the mergesort optimization on qsort implementation
and uses the introsort instead. The mergesort implementation has some
issues:
- It is as-safe only for certain types sizes (if total size is less
than 1 KB with large element sizes also forcing memory allocation)
which contradicts the function documentation. Although not required
by the C standard, it is preferable and doable to have an O(1) space
implementation.
- The malloc for certain element size and element number adds
arbitrary latency (might even be worse if malloc is interposed).
- To avoid trigger swap from memory allocation the implementation
relies on system information that might be virtualized (for instance
VMs with overcommit memory) which might lead to potentially use of
swap even if system advertise more memory than actually has. The
check also have the downside of issuing syscalls where none is
expected (although only once per execution).
- The mergesort is suboptimal on an already sorted array (BZ#21719).
The introsort implementation is already optimized to use constant extra
space (due to the limit of total number of elements from maximum VM
size) and thus can be used to avoid the malloc usage issues.
Resulting performance is slower due the usage of qsort, specially in the
worst-case scenario (partialy or sorted arrays) and due the fact
mergesort uses a slight improved swap operations.
This change also renders the BZ#21719 fix unrequired (since it is meant
to fix the sorted input performance degradation for mergesort). The
manual is also updated to indicate the function is now async-cancel
safe.
Checked on x86_64-linux-gnu.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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This patch makes the quicksort implementation to acts as introsort, to
avoid worse-case performance (and thus making it O(nlog n)). It switch
to heapsort when the depth level reaches 2*log2(total elements). The
heapsort is a textbook implementation.
Checked on x86_64-linux-gnu and aarch64-linux-gnu.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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The optimization takes in consideration both the most common elements
are either 32 or 64 bit in size and inputs are aligned to the word
boundary. This is similar to what msort does.
For large buffer the swap operation uses memcpy/mempcpy with a
small fixed size buffer (so compiler might inline the operations).
Checked on x86_64-linux-gnu.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.
I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah. I don't
know why I run into these diagnostics whereas others evidently do not.
remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
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We stopped adding "Contributed by" or similar lines in sources in 2012
in favour of git logs and keeping the Contributors section of the
glibc manual up to date. Removing these lines makes the license
header a bit more consistent across files and also removes the
possibility of error in attribution when license blocks or files are
copied across since the contributed-by lines don't actually reflect
reality in those cases.
Move all "Contributed by" and similar lines (Written by, Test by,
etc.) into a new file CONTRIBUTED-BY to retain record of these
contributions. These contributors are also mentioned in
manual/contrib.texi, so we just maintain this additional record as a
courtesy to the earlier developers.
The following scripts were used to filter a list of files to edit in
place and to clean up the CONTRIBUTED-BY file respectively. These
were not added to the glibc sources because they're not expected to be
of any use in future given that this is a one time task:
https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc
https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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This patch fixes various places where a space should have been present
before '(' in accordance with the GNU Coding Standards. Most but not
all of the fixes in this patch are for calls to sizeof (but it's not
exhaustive regarding such calls that should be fixed).
Tested for x86_64, and with build-many-glibcs.py.
* benchtests/bench-strcpy.c (do_test): Use space before '('.
* benchtests/bench-string.h (cmdline_process_function): Likewise.
* benchtests/bench-strlen.c (do_test): Likewise.
(test_main): Likewise.
* catgets/gencat.c (read_old): Likewise.
* elf/cache.c (load_aux_cache): Likewise.
* iconvdata/bug-iconv8.c (do_test): Likewise.
* math/test-tgmath-ret.c (do_test): Likewise.
* nis/nis_call.c (rec_dirsearch): Likewise.
* nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise.
* nptl/tst-audit-threads.c (do_test): Likewise.
* nptl/tst-cancel4-common.h (set_socket_buffer): Likewise.
* nss/nss_test1.c (init): Likewise.
* nss/test-netdb.c (test_hosts): Likewise.
* posix/execvpe.c (maybe_script_execute): Likewise.
* stdio-common/tst-fmemopen4.c (do_test): Likewise.
* stdio-common/tst-printf.c (do_test): Likewise.
* stdio-common/vfscanf-internal.c (__vfscanf_internal): Likewise.
* stdlib/fmtmsg.c (NKEYWORDS): Likewise.
* stdlib/qsort.c (STACK_SIZE): Likewise.
* stdlib/test-canon.c (do_test): Likewise.
* stdlib/tst-swapcontext1.c (do_test): Likewise.
* string/memcmp.c (OPSIZ): Likewise.
* string/test-strcpy.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/test-strlen.c (do_test): Likewise.
(test_main): Likewise.
* string/test-strrchr.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/tester.c (test_memrchr): Likewise.
(test_memchr): Likewise.
* sysdeps/generic/memcopy.h (OPSIZ): Likewise.
* sysdeps/generic/unwind-dw2.c (execute_stack_op): Likewise.
* sysdeps/generic/unwind-pe.h (read_sleb128): Likewise.
(read_encoded_value_with_base): Likewise.
* sysdeps/hppa/dl-machine.h (elf_machine_runtime_setup): Likewise.
* sysdeps/hppa/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/ia64/fpu/sfp-machine.h (TI_BITS): Likewise.
* sysdeps/mach/hurd/spawni.c (__spawni): Likewise.
* sysdeps/posix/spawni.c (maybe_script_execute): Likewise.
* sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (query_auxv):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/arm/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/arm/ioperm.c (init_iosys): Likewise.
* sysdeps/unix/sysv/linux/csky/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/nios2/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Likewise.
* sysdeps/unix/sysv/linux/x86/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/sigcontext.h
(FP_XSTATE_MAGIC2_SIZE): Likewise.
* sysdeps/x86/fpu/sfp-machine.h (TI_BITS): Likewise.
* time/test_time.c (main): Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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* include/stdlib.h: Add hidden_proto for qsort_t and adjust protoype
for _quicksort.
* stdlib/msort.c (qsort): Now a wrapper around qsort_r.
(qsort_r): Renamed from qsort. Take additional parameter and pass it
on as third parameter to compare function and _quicksort.
* stdlib/qsort.c (_quicksort): Take additional parameter and pass on
to the compare function.
* stdlib/Versions [libc] (GLIBC_2.8): Add qsort_r.
* Versions.def: Add GLIBC_2.8 for libc.
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Update.
2004-03-09 Ulrich Drepper <drepper@redhat.com>
* stdlib/qsort.c (_quicksort): Initialize first stack element [BZ #16].
2004-03-05 Jakub Jelinek <jakub@redhat.com>
* posix/regexec.c (regexec): Return with error on unknown eflags.
Replace weak_alias with versioned_symbol.
(__compat_regexec): New.
* posix/Versions (libc): Add regexec@GLIBC_2.3.4.
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2002-01-18 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c: Rewrite, adapted from Doug Lea's malloc-2.7.0.c.
* malloc/malloc.h: Likewise.
* malloc/arena.c: New file.
* malloc/hooks.c: New file.
* malloc/tst-mallocstate.c: New file.
* malloc/Makefile: Add new testcase tst-mallocstate.
Add arena.c and hooks.c to distribute. Fix commented CPPFLAGS.
2002-01-28 Ulrich Drepper <drepper@redhat.com>
* stdlib/msort.c: Remove last patch. The optimization violates the
same rule which qsort.c had problems with.
2002-01-27 Paul Eggert <eggert@twinsun.com>
* stdlib/qsort.c (_quicksort): Do not apply the comparison function
to a pivot element that lies outside the array to be sorted, as
ISO C99 requires that the comparison function be called only with
addresses of array elements [PR libc/2880].
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2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
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1999-10-26 Andreas Jaeger <aj@suse.de>
* stdlib/msort.c: Include <alloca.h> for prototype.
Remove K&R compatibility and _quicksort prototype.
* stdlib/qsort.c: Make code and comments 64 bit clean; clarify
some comments.
Reported by Bernd Löchner <loechner@informatik.uni-kl.de>.
Remove K&R compatibility.
Move prototype declaration to include/stdlib.h.
Include <alloca.h> for prototype; include <limits.h> for CHAR_BIT.
* include/stdlib.h: Prototype declaration for _quicksort.
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1997-02-19 03:28 Miles Bader <miles@gnu.ai.mit.edu>
* argp/argp-help.c: Add support for user provided filter of help
messages.
* argp/argp-parse.c: Likewise.
* argp/argp.h: Likewise.
* argp/argp-namefrob.h: Define __argp_input.
* argp/argp-test.c: Add example for filter.
1997-02-19 02:58 Ulrich Drepper <drepper@cygnus.com>
* argp.h: New file.
* locale/programs/locale.c: Switch to use argp.
* errno.h: Make it possible to get definition of error_t even
after having errno.h already.
* elf/dl-hash.h: New file. ELF hashing function. Extracted
from dl-lookup.c.
* elf/dl-lookup.c (_dl_elf_hash): Remove definition.
* elf/dl-load.c: Rename _dl_does_name_match_p to _dl_name_match_p.
* elf/dl-version.c: Likewise.
* elf/dl-lookup.c: Implement new versioning lookup scheme.
* elf/dl-version.c (_dl_check_map_versions): Initialize new field
in l_versions member.
* elf/dlvsym.c: Correct call of _dl_lookup_versioned_symbol_skip
and _dl_lookup_versioned_symbol.
* elf/link.h: Rename hash_name_pair to struct r_found_version.
* sysdeps/alpha/dl-machine.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/m68k/dl-machine.h: Likewise.
* sysdeps/mips/dl-machine.h: Likewise.
* intl/l10nflist.c: (_nl_make_l10nflist): Fix bug in computation of
length of abs_filename.
* locale/Makefile (CPPFLAGS): Define LOCALE_ALIAS_PATH.
* locale/programs/ld-monetary.c (monetary_add): Allow value 0
in mon_grouping information. This means no more grouping.
* locale/programs/ld-numeric.c (numeric_add): Write value \377
when seein value 0 in grouping information.
* locale/programs/linereader.c (lr_close): Don't free fname since
it might be used in error messages.
* locale/programs/locale.c: Check whether output of `locale -a'
really is locale directory. Also print locale aliases.
* misc/search.h (__action_fn_t): Parameters VALUE and LEVEL cannot
be const.
1997-02-19 02:16 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/bsd/sun/sunos4/resourcebits.h: Correct #defin to
#define. Reported by Rick Flower <FLOWER@sdvax2.sdd.TRW.COM>.
1997-02-19 01:37 Erik Troan <ewt@redhat.com>
* shadow/sgetspent_r.c: Accept empty third, fourth and fifth fields.
1997-02-19 01:02 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/mman/syscalls.list: msync takes 3 arguments.
Reported by Andreas Jaeger <aj@arthur.pfalz.de>.
* sysdeps/stub/msync.c (msync): Add missing third parameter.
1997-02-19 00:29 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/bsd/sigsuspend.c: Call __sigpause with needed
additional argument.
1997-02-18 22:13 Ulrich Drepper <drepper@cygnus.com>
* inet/net/ethernet.h: New file.
* sysdeps/unix/sysv/linux/netinet/if_ether.c: Add BSD compatibility.
* sysdeps/unix/sysv/linux/net/if_slip.h: New file.
Contributed by a sun <asun@zoology.washington.edu>.
* sysdeps/unix/sysv/linux/net/if_arp.h: Include <sys/socket.h>.
* sunrpc/rpc/rpc_msg.h: Include <rpc/clnt.h>.
Reported by a sun <asun@zoology.washington.edu>.
1997-02-16 14:25 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makerules ((common-objpfx)distinfo-$(subdir)): Depend on sysdep
makefiles which may change the distinfo variables.
1997-02-16 14:03 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers)
[$(subdir)=misc]: Add sys/quota.h.
(sysdep_headers) [$(subdir)=inet]: Add netinet/udp.h.
1997-02-17 13:12 aleph1@dfw.net
* sunrpc/clnt_simp.c (callrpc): Prevent buffer overflow by using
strncpy.
1997-02-18 03:28 Ulrich Drepper <drepper@cygnus.com>
* stdio-common/bug10.c (main): Correct parameter.
1997-02-17 02:51 Ulrich Drepper <drepper@cygnus.com>
* malloc/obstack.h: Add `extern "C"' protection.
* posix/regex.h: Likewise.
* io/ftw.h: Likewise.
* misc/libgen.h: Likewise.
* login/utmp.h: Likewise.
* sysdeps/unix/sysv/linux/sys/reboot.h: Likewise.
* sysdeps/unix/sysv/linux/netinet/in.h: Likewise.
* sunrpc/rpc/pmap_rmt.h: Likewise.
* sunrpc/rpc/auth_des.h: Likewise.
* elf/link.h: Likewise.
Reported by HJ Lu.
1997-02-17 01:45 a sun <asun@zoology.washington.edu>
Linux specific network headers.
* sysdeps/unix/sysv/linux/netinet/if_fddi.h: New file.
* sysdeps/unix/sysv/linux/netinet/if_tr.h: New file.
* sysdeps/unix/sysv/linux/netinet/ip_icmp.h: New file.
* sysdeps/unix/sysv/linux/netinet/ip_fw.h: New file.
* sysdeps/unix/sysv/linux/netinet/igmp.h: New file.
* sysdeps/unix/sysv/linux/netinet/icmp.h: New file.
* sysdeps/unix/sysv/linux/netinet/ip.h: New file.
* sysdeps/unix/sysv/linux/netinet/tcp.h: New file.
* sysdeps/unix/sysv/linux/netipx/ipx.h: New file.
* sysdeps/unix/sysv/linux/netatalk/atalk.h: New file.
* sysdeps/unix/sysv/linux/Dist: Add new network headers.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=misc] (sysdep_headers):
Add sys/quota.h.
[$(subdir)=inet] (sysdep_headers): Add new network header.
* sysdeps/unix/sysv/linux/netinet/udp.h: Add Linux specific changes.
* inet/netinet/ip.h: Move to sysdeps/generic.
* inet/netinet/tcp.h: Likewise.
* sysdeps/generic/netinet/ip.h: Moved to here from inet/netinet.
* sysdeps/generic/netinet/tcp.h: Likewise.
1997-02-17 01:18 Ulrich Drepper <drepper@cygnus.com>
* misc/sys/syslog.h (prioritynames): Correct definition to use
braces where necessary.
(facilitynames): Likewise.
Patch by Ronald F. Guilmette <rfg@monkeys.com>.
Comment and beautify declarations.
1997-02-16 19:54 1997 Philip Blundell <Philip.Blundell@pobox.com>
* inet/Makefile (routines): Add in6_addr, getnameinfo.
* inet/getnameinfo.c: New file. Implementation of getnameinfo()
by Craig Metz.
* inet/in6_addr.c: New file. IPv6 addressing constants.
* posix/Makefile (routines): Add gai_strerror.
* resolv/netdb.h: Add more constants for IPv6 basic API.
* sysdeps/posix/gai_strerror.c: New file.
* sysdeps/stub/gai_strerror.c New file.
* sysdeps/unix/sysv/linux/netinet/in.h: Add definitions for IPv6
basic API.
* sysdeps/posix/getaddrinfo.c: Update from latest version by
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