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c5c3588475
The libc version is identical and built with same flags. The libc version is set as the default version. The libpthread compat symbol requires to mask it when building the loader object otherwise ld might complain about a missing versioned symbol (as for alpha). Checked on x86_64-linux-gnu.
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* Linux lseek implementation, 64 bits off_t.
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Copyright (C) 2016-2021 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 <unistd.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <sysdep.h>
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#include <errno.h>
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#include <shlib-compat.h>
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off64_t
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__lseek64 (int fd, off64_t offset, int whence)
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{
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#ifdef __NR__llseek
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loff_t res;
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int rc = INLINE_SYSCALL_CALL (_llseek, fd,
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(long) (((uint64_t) (offset)) >> 32),
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(long) offset, &res, whence);
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return rc ?: res;
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#else
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return INLINE_SYSCALL_CALL (lseek, fd, offset, whence);
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#endif
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}
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#ifdef __OFF_T_MATCHES_OFF64_T
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weak_alias (__lseek64, lseek)
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weak_alias (__lseek64, __lseek)
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strong_alias (__lseek64, __libc_lseek)
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libc_hidden_def (__lseek)
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#endif
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strong_alias (__lseek64, __libc_lseek64)
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weak_alias (__lseek64, lseek64)
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#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_28)
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compat_symbol (libc, __lseek64, llseek, GLIBC_2_0);
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#endif
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#if !IS_IN(rtld) && OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_2)
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compat_symbol (libc, __lseek64, lseek64, GLIBC_2_2);
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#endif
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