mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-18 22:54:00 +00:00
core/glibc to 2.28-5
This commit is contained in:
Kevin Mihelich
parent
fe32837afe
commit
104fc59306
2 changed files with 5 additions and 271 deletions
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@ -1,4 +1,3 @@
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# $Id$
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# Maintainer: Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
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# Contributor: Allan McRae <allan@archlinux.org>
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@ -16,27 +15,24 @@ noautobuild=1
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pkgname=glibc
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pkgver=2.28
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pkgrel=4
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pkgrel=5
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arch=(x86_64)
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url='http://www.gnu.org/software/libc'
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license=(GPL LGPL)
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makedepends=(git gd)
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options=(!strip staticlibs !distcc)
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#_commit=23158b08a0908f381459f273a984c6fd328363cb
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#source=(git+https://sourceware.org/git/glibc.git#commit=$_commit
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source=(https://ftp.gnu.org/gnu/glibc/glibc-$pkgver.tar.xz{,.sig}
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#source=(https://ftp.gnu.org/gnu/glibc/glibc-$pkgver.tar.xz{,.sig}
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_commit=5a74abda201907cafbdabd1debf98890313ff71e
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source=(git+https://sourceware.org/git/glibc.git#commit=$_commit
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locale.gen.txt
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locale-gen
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bz20338.patch
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bz23497.patch
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0001-Revert-elf-Correct-absolute-SHN_ABS-symbol-run-time-.patch)
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validpgpkeys=(7273542B39962DF7B299931416792B4EA25340F8) # Carlos O'Donell
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md5sums=('c81d2388896379997bc359d4f2084239'
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'SKIP'
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md5sums=('SKIP'
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'07ac979b6ab5eeb778d55f041529d623'
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'476e9113489f93b348b21e144b6a8fcf'
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'dc0d3ad59aeaaf591b085a77de6e03e9'
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'11bca140697b1bdb656742e2a12c2982'
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'58ffe75a9c5a1b22c535a5c2e725db22')
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prepare() {
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@ -1,262 +0,0 @@
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From 4b25485f03158959cff45379eecc1d73c7dcdd11 Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Fri, 10 Aug 2018 11:19:26 +0200
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Subject: [PATCH] Linux: Rewrite __old_getdents64 [BZ #23497]
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Commit 298d0e3129c0b5137f4989275b13fe30d0733c4d ("Consolidate Linux
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getdents{64} implementation") broke the implementation because it does
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not take into account struct offset differences.
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The new implementation is close to the old one, before the
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consolidation, but has been cleaned up slightly.
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(cherry picked from commit 690652882b499defb3d950dfeff8fe421d13cab5)
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---
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sysdeps/unix/sysv/linux/Makefile | 1 +
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sysdeps/unix/sysv/linux/getdents64.c | 89 ++++++++++++++------
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sysdeps/unix/sysv/linux/tst-readdir64-compat.c | 111 +++++++++++++++++++++++++
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3 files changed, 176 insertions(+), 25 deletions(-)
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create mode 100644 sysdeps/unix/sysv/linux/tst-readdir64-compat.c
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diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
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index f71cc39..773aaea 100644
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--- a/sysdeps/unix/sysv/linux/Makefile
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+++ b/sysdeps/unix/sysv/linux/Makefile
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@@ -161,6 +161,7 @@ inhibit-glue = yes
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ifeq ($(subdir),dirent)
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sysdep_routines += getdirentries getdirentries64
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+tests-internal += tst-readdir64-compat
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endif
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ifeq ($(subdir),nis)
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diff --git a/sysdeps/unix/sysv/linux/getdents64.c b/sysdeps/unix/sysv/linux/getdents64.c
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index 3bde0cf..bc140b5 100644
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--- a/sysdeps/unix/sysv/linux/getdents64.c
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+++ b/sysdeps/unix/sysv/linux/getdents64.c
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@@ -33,41 +33,80 @@ strong_alias (__getdents64, __getdents)
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# include <shlib-compat.h>
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# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
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-# include <olddirent.h>
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+# include <olddirent.h>
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+# include <unistd.h>
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-/* kernel definition of as of 3.2. */
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-struct compat_linux_dirent
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+static ssize_t
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+handle_overflow (int fd, __off64_t offset, ssize_t count)
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{
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- /* Both d_ino and d_off are compat_ulong_t which are defined in all
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- architectures as 'u32'. */
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- uint32_t d_ino;
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- uint32_t d_off;
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- unsigned short d_reclen;
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- char d_name[1];
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-};
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+ /* If this is the first entry in the buffer, we can report the
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+ error. */
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+ if (count == 0)
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+ {
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+ __set_errno (EOVERFLOW);
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+ return -1;
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+ }
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+
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+ /* Otherwise, seek to the overflowing entry, so that the next call
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+ will report the error, and return the data read so far.. */
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+ if (__lseek64 (fd, offset, SEEK_SET) != 0)
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+ return -1;
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+ return count;
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+}
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ssize_t
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__old_getdents64 (int fd, char *buf, size_t nbytes)
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{
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- ssize_t retval = INLINE_SYSCALL_CALL (getdents, fd, buf, nbytes);
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+ /* We do not move the individual directory entries. This is only
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+ possible if the target type (struct __old_dirent64) is smaller
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+ than the source type. */
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+ _Static_assert (offsetof (struct __old_dirent64, d_name)
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+ <= offsetof (struct dirent64, d_name),
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+ "__old_dirent64 is larger than dirent64");
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+ _Static_assert (__alignof__ (struct __old_dirent64)
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+ <= __alignof__ (struct dirent64),
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+ "alignment of __old_dirent64 is larger than dirent64");
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- /* The kernel added the d_type value after the name. Change this now. */
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- if (retval != -1)
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+ ssize_t retval = INLINE_SYSCALL_CALL (getdents64, fd, buf, nbytes);
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+ if (retval > 0)
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{
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- union
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- {
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- struct compat_linux_dirent k;
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- struct dirent u;
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- } *kbuf = (void *) buf;
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-
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- while ((char *) kbuf < buf + retval)
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+ char *p = buf;
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+ char *end = buf + retval;
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+ while (p < end)
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{
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- char d_type = *((char *) kbuf + kbuf->k.d_reclen - 1);
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- memmove (kbuf->u.d_name, kbuf->k.d_name,
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- strlen (kbuf->k.d_name) + 1);
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- kbuf->u.d_type = d_type;
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+ struct dirent64 *source = (struct dirent64 *) p;
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+
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+ /* Copy out the fixed-size data. */
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+ __ino_t ino = source->d_ino;
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+ __off64_t offset = source->d_off;
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+ unsigned int reclen = source->d_reclen;
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+ unsigned char type = source->d_type;
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+
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+ /* Check for ino_t overflow. */
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+ if (__glibc_unlikely (ino != source->d_ino))
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+ return handle_overflow (fd, offset, p - buf);
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+
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+ /* Convert to the target layout. Use a separate struct and
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+ memcpy to side-step aliasing issues. */
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+ struct __old_dirent64 result;
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+ result.d_ino = ino;
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+ result.d_off = offset;
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+ result.d_reclen = reclen;
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+ result.d_type = type;
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+
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+ /* Write the fixed-sized part of the result to the
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+ buffer. */
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+ size_t result_name_offset = offsetof (struct __old_dirent64, d_name);
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+ memcpy (p, &result, result_name_offset);
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+
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+ /* Adjust the position of the name if necessary. Copy
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+ everything until the end of the record, including the
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+ terminating NUL byte. */
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+ if (result_name_offset != offsetof (struct dirent64, d_name))
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+ memmove (p + result_name_offset, source->d_name,
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+ reclen - offsetof (struct dirent64, d_name));
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- kbuf = (void *) ((char *) kbuf + kbuf->k.d_reclen);
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+ p += reclen;
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}
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}
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return retval;
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diff --git a/sysdeps/unix/sysv/linux/tst-readdir64-compat.c b/sysdeps/unix/sysv/linux/tst-readdir64-compat.c
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new file mode 100644
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index 0000000..43c4a84
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--- /dev/null
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+++ b/sysdeps/unix/sysv/linux/tst-readdir64-compat.c
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@@ -0,0 +1,111 @@
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+/* Test readdir64 compatibility symbol.
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+ Copyright (C) 2018 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <dirent.h>
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+#include <dlfcn.h>
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+#include <errno.h>
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+#include <shlib-compat.h>
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+#include <stdbool.h>
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+#include <stdio.h>
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+#include <string.h>
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+#include <support/check.h>
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+
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+/* Copied from <olddirent.h>. */
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+struct __old_dirent64
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+ {
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+ __ino_t d_ino;
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+ __off64_t d_off;
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+ unsigned short int d_reclen;
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+ unsigned char d_type;
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+ char d_name[256];
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+ };
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+
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+typedef struct __old_dirent64 *(*compat_readdir64_type) (DIR *);
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+
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+#if TEST_COMPAT (libc, GLIBC_2_1, GLIBC_2_2)
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+struct __old_dirent64 *compat_readdir64 (DIR *);
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+compat_symbol_reference (libc, compat_readdir64, readdir64, GLIBC_2_1);
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+#endif
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+
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+static int
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+do_test (void)
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+{
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+#if TEST_COMPAT (libc, GLIBC_2_1, GLIBC_2_2)
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+
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+ /* Directory stream using the non-compat readdir64 symbol. The test
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+ checks against this. */
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+ DIR *dir_reference = opendir (".");
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+ TEST_VERIFY_EXIT (dir_reference != NULL);
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+ DIR *dir_test = opendir (".");
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+ TEST_VERIFY_EXIT (dir_test != NULL);
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+
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+ /* This loop assumes that the enumeration order is consistent for
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+ two different handles. Nothing should write to the current
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+ directory (in the source tree) while this test runs, so there
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+ should not be any difference due to races. */
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+ size_t count = 0;
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+ while (true)
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+ {
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+ errno = 0;
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+ struct dirent64 *entry_reference = readdir64 (dir_reference);
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+ if (entry_reference == NULL && errno != 0)
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+ FAIL_EXIT1 ("readdir64 entry %zu: %m\n", count);
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+ struct __old_dirent64 *entry_test = compat_readdir64 (dir_test);
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+ if (entry_reference == NULL)
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+ {
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+ if (errno == EOVERFLOW)
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+ {
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+ TEST_VERIFY (entry_reference->d_ino
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+ != (__ino_t) entry_reference->d_ino);
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+ printf ("info: inode number overflow at entry %zu\n", count);
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+ break;
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+ }
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+ if (errno != 0)
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+ FAIL_EXIT1 ("compat readdir64 entry %zu: %m\n", count);
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+ }
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+
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+ /* Check that both streams end at the same time. */
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+ if (entry_reference == NULL)
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+ {
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+ TEST_VERIFY (entry_test == NULL);
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+ break;
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+ }
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+ else
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+ TEST_VERIFY_EXIT (entry_test != NULL);
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+
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+ /* Check that the entries are the same. */
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+ TEST_COMPARE_BLOB (entry_reference->d_name,
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+ strlen (entry_reference->d_name),
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+ entry_test->d_name, strlen (entry_test->d_name));
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+ TEST_COMPARE (entry_reference->d_ino, entry_test->d_ino);
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+ TEST_COMPARE (entry_reference->d_off, entry_test->d_off);
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+ TEST_COMPARE (entry_reference->d_type, entry_test->d_type);
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+ TEST_COMPARE (entry_reference->d_reclen, entry_test->d_reclen);
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+
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+ ++count;
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+ }
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+ printf ("info: %zu directory entries found\n", count);
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+ TEST_VERIFY (count >= 3); /* ".", "..", and some source files. */
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+
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+ TEST_COMPARE (closedir (dir_test), 0);
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+ TEST_COMPARE (closedir (dir_reference), 0);
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+#endif
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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--
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2.9.3
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