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Linux 5.17 has one new syscall, set_mempolicy_home_node. Update
syscall-names.list and regenerate the arch-syscall.h headers with
build-many-glibcs.py update-syscalls.
Tested with build-many-glibcs.py.
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It is only called for legacy ABIs.
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It is not used on rtld and ldsodef interfaces are meant to be used
solely on loader. It also removes the only usage of gcc extension
__builtin_va_arg_pack.
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configure scripts need to be runnable with a POSIX-compliant /bin/sh.
On many (but not all!) systems, /bin/sh is provided by Bash, so errors
like this aren't spotted. Notably Debian defaults to /bin/sh provided
by dash which doesn't tolerate such bashisms as '=='.
This retains compatibility with bash.
Fixes configure warnings/errors like:
```
checking if compiler warns about alias for function with incompatible types... yes
/var/tmp/portage/sys-libs/glibc-2.34-r10/work/glibc-2.34/configure: 4209: test: xyes: unexpected operator
```
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Signed-off-by: Sam James <sam@gentoo.org>
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The close_retry goto jump is confusing and clumsy to read, so refactor
the code a bit to make it easier to follow.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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This patch makes build-many-glibcs.py use Linux 5.17.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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The structure HEADER is normally aligned to a word boundary but
sometimes it needs to be accessed when aligned on a byte boundary.
This change defines a new typedef, UHEADER, with alignment 1.
It is used to ensure the fields are accessed with byte loads and
stores when necessary.
V4: Change to res_mkquery.c deleted. Small whitespace fix.
V5: Move UHEADER typedef to resolv/resolv-internal.h. Replace all
HEADER usage with UHEADER in resolv/res_send.c.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Clean up another antipattern where code flows from an if condition to
its else counterpart with a goto.
Most of the change in this patch is whitespace-only; a `git diff -b`
ought to show the actual logic changes.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Split out line processing for `label`, `precedence` and `scopev4` into
separate functions instead of the gotos.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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All other cases of failures due to lack of memory return EAI_MEMORY, so
it seems wrong to return EAI_SYSTEM here. The only reason
convert_hostent_to_gaih_addrtuple could fail is on calloc failure.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Simplify the loop a wee bit and clean up variable names too.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Flatten the condition nesting and replace the alloca for RET.AT/ATR with
a single array LOCAL_AT[2]. This gets rid of alloca and alloca
accounting.
`git diff -b` is probably the best way to view this change since much of
the diff is whitespace changes.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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The macro is quite a pain to debug, so make gethosts into a function to
make it easier to maintain.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Add a new member got_ipv6 to indicate if the results have an IPv6
result and use it instead of the local got_ipv6.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Add a free_at flag in gaih_result to indicate if res.at needs to be
freed by the caller.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Introduce the gaih_result structure and general paradigm for cleanups
that follow to process the lookup request and return a result. A lookup
function (like text_to_binary_address), should return an integer error
code and set members of gaih_result based on what it finds. If the
function does not have a result and no errors have occurred during the
lookup, it should return 0 and res.at should be set to NULL, allowing a
subsequent function to do the lookup until we run out of options.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Refactor the code to split out the service resolution code into a
separate function. Allocate the service tuples array just once to the
size of the typeproto array, thus avoiding the unnecessary pointer
chasing and stack allocations.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Use realloc in convert_hostent_to_gaih_addrtuple and fix up pointers in
the result list so that a single block is maintained for
hostbyname3_r/hostbyname2_r and freed in gaih_inet. This result is
never merged with any other results, since the hosts database does not
permit merging.
Resolves BZ #28852.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Simplify logic for allocation of canon to remove the canonbuf variable;
canon now always points to an allocated block. Also pull the canon name
set into a separate function.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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Allocations for address tuples is currently a bit confusing because of
the pointer chasing through PAT, making it hard to observe the sequence
in which allocations have been made. Narrow scope of the pointer
chasing through PAT so that it is only used where necessary.
This also tightens actions behaviour with the hosts database in
getaddrinfo to comply with the manual text. The "continue" action
discards previous results and the "merge" action results in an immedate
lookup failure. Consequently, chaining of allocations across modules is
no longer necessary, thus opening up cleanup opportunities.
A test has been added that checks some combinations to ensure that they
work correctly.
Resolves: BZ #28931
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
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UTF-7-IMAP differs from UTF-7 in the followings ways (see RFC 3501[1]
for reference) :
- The shift character is '&' instead of '+'
- There is no "optional direct characters" and the "direct characters"
set is different
- There is no implicit shift back to US-ASCII from BASE64, all BASE64
sequences MUST be terminated with '-'
[1]: https://datatracker.ietf.org/doc/html/rfc3501#section-5.1.3
Signed-off-by: Max Gautier <mg@max.gautier.name>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Add infrastructure in utf-7.c to handle variants. The approach comes from
iso646.c
The variant is defined at gconv_init time and is passed as a
supplementary variable.
Signed-off-by: Max Gautier <mg@max.gautier.name>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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- Direct use of characters instead of arcane arrays
- isxbase64 is not the Modified BASE64 alphabet, but the characters who
needs to trigger an explicit shift back to US-ASCII. Make that clearer
Signed-off-by: Max Gautier <mg@max.gautier.name>
Reviewed-by: Adhemerval Zanellla <adhemerval.zanella@linaro.org>
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Signed-off-by: Max Gautier <mg@max.gautier.name>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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And use TEST_COMPARE_STRING for the narrow tests.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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In general, _IO_str_overflow returns the character passed as an argument
on success. However, if flush-only operation is requested by passing
EOF, returning EOF looks like an error, and the caller cannot tell
whether the operation was successful or not.
_IO_wstr_overflow had the same bug regarding WEOF.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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And increase test coverage slightly.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The elf/dso-sort-tests-src subdirectory is not changed by this commit,
so it seems that the cut-and-paste error was not material.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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It is needed by tst-swprintf.
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Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Use "=" instead of ":=" to allow sysdeps Makefiles to add more benches
to bench and benchset. This fixes BZ #28970.
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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When swapcontext.c is compiled without -g, the following error occurs:
Error: CFI instruction used without previous .cfi_startproc
Fix by converting swapcontext routine to assembler.
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This patch associates iconv_close as a deallocator for iconv_open. This
required moving the iconv_close declaration above iconv_open.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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This patch associates closedir as a deallocation for opendir and fdopendir.
This required moving the closedir declaration above the other 2 functions.
Reviewed-by: Paul Eggert <eggert@cs.ucla.edu>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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This patch adds write access function attributes to the epoll_wait family of
functions
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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This patch adds access function attributes to the re-entrant functions
in grp.h and shadow headers.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Effective 2022-01-20 via SIL request 2021-043 the identifier "tok"
is now active for Toki Pona in the code set for ISO 639-3.
References:
https://iso639-3.sil.org/code/tok
https://iso639-3.sil.org/sites/iso639-3/files/change_requests/2021/2021-043.pdf
No regressions on x86_64.
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dlopen may clobber errno. The nss_test_errno module uses an ELF
constructor to achieve that, but there could be internal errors
during dlopen that cause this, too. Therefore, the NSS framework
has to guard against such errno clobbers.
__nss_module_get_function is currently the only function that calls
__nss_module_load, so it is sufficient to save and restore errno
around this call.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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They are not actually installed. Use the nss_files version instead
in nss/Makefile, similar to how __nss_shlib_revision is derived
from LIBNSS_FILES_SO.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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This addresses more (correct) use-after-free warnings reported by
GCC 12 on some targets.
Fixes commit c094c232eb3246154265bb035182f92fe1b17ab8 ("Avoid
-Wuse-after-free in tests [BZ #26779].").
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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This patch adds some missing access function attributes to getrandom /
getentropy and several functions in sys/xattr.h
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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The _IO_wfile_overflow does not check if the write pointer for wide
data is valid before access, different than _IO_file_overflow. This
leads to crash on some cases, as described by bug 28828.
The minimal sequence to produce the crash was:
#include <stdio.h>
#include <wchar.h>
int main (int ac, char **av)
{
setvbuf (stdout, NULL, _IOLBF, 0);
fgetwc (stdin);
fputwc (10, stdout); /*CRASH HERE!*/
return 0;
}
The "fgetwc(stdin);" is necessary since it triggers the bug by setting
the flag _IO_CURRENTLY_PUTTING on stdout indirectly (file wfileops.c,
function _IO_wfile_underflow, line 213).
Signed-off-by: Jose Bollo <jobol@nonadev.net>
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It aligns NI_NOFQDN with default behavior for getnameinfo().
Checked on x86_64-linux-gnu.
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We can use the already in place scratch_buffer.
Checked on x86_64-linux-gnu.
Reviewed-by: DJ Delorie <dj@redhat.com>
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The 'not_first' is accessed on nrl_domainname() in a non atomically
way, although it is only updated after the lock is taken.
This patch fix the double-checked locking by using acquire-release
atomic operation instead of plain load and by moving the 'not_first'
store only after 'domain' is actually set.
Checked on x86_64-linux-gnu.
Reviewed-by: DJ Delorie <dj@redhat.com>
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Commit ac759b1fbf28a82d99afde9046f8b72c7cba5dae added attribute
"overlap" to bench-memmove-walk, whose value is a string. This change
makes compare_strings.py fail since benchout_strings.schema.json
requires the values of attributes to be number.
This patch relaxes such constraint.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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