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90e1600f4f
It allows to check for its value instead of its existence. Checked with a build for all affected ABIS. Reviewed-by: Lukasz Majewski <lukma@denx.de>
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* xstat using old-style Unix stat system call.
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Copyright (C) 1991-2020 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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/* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc
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will complain since they don't strictly match. */
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#define __xstat64 __xstat64_disable
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#include <errno.h>
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#include <stddef.h>
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#include <sys/stat.h>
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#include <kernel_stat.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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#include <xstatconv.h>
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/* Get information about the file NAME in BUF. */
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int
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__xstat (int vers, const char *name, struct stat *buf)
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{
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if (vers == _STAT_VER_KERNEL)
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return INLINE_SYSCALL (stat, 2, name, buf);
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#if STAT_IS_KERNEL_STAT
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
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#else
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struct kernel_stat kbuf;
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int result;
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result = INLINE_SYSCALL (stat, 2, name, &kbuf);
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if (result == 0)
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result = __xstat_conv (vers, &kbuf, buf);
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return result;
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#endif
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}
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hidden_def (__xstat)
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weak_alias (__xstat, _xstat);
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#if XSTAT_IS_XSTAT64
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#undef __xstat64
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strong_alias (__xstat, __xstat64);
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hidden_ver (__xstat, __xstat64)
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#endif
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