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When running tests on OpenRISC which has 32-bit wordsize but 64-bit timesize it was found that O_LARGEFILE is not being set when calling open64. For 64-bit architectures the O_LARGEFILE flag is generally implied by the kernel according to force_o_largefile. However, for 32-bit architectures this is not done. For this patch we unconditionally now set the O_LARGEFILE flag for open64 class syscalls as there is no harm in doing so. Tested on the OpenRISC the build works and timezone/tst-tzset passes which was failing before. I would expect this also would fix arc. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Linux openat syscall implementation, LFS.
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Copyright (C) 2007-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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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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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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<https://www.gnu.org/licenses/>. */
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#include <fcntl.h>
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#include <stdarg.h>
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#include <sysdep-cancel.h>
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/* Open FILE with access OFLAG. Interpret relative paths relative to
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the directory associated with FD. If OFLAG includes O_CREAT or
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O_TMPFILE, a fourth argument is the file protection. */
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int
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__libc_openat64 (int fd, const char *file, int oflag, ...)
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{
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mode_t mode = 0;
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if (__OPEN_NEEDS_MODE (oflag))
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{
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va_list arg;
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va_start (arg, oflag);
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mode = va_arg (arg, mode_t);
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va_end (arg);
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}
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return SYSCALL_CANCEL (openat, fd, file, oflag | O_LARGEFILE, mode);
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}
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strong_alias (__libc_openat64, __openat64)
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libc_hidden_weak (__openat64)
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weak_alias (__libc_openat64, openat64)
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#ifdef __OFF_T_MATCHES_OFF64_T
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strong_alias (__libc_openat64, __openat)
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libc_hidden_weak (__openat)
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weak_alias (__libc_openat64, openat)
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#endif
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