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73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
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/* Reentrant versions of fstat system call. This implementation just
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calls the fstat system call. */
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#include <reent.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <_syslist.h>
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#ifdef __LARGE64_FILES
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/* Some targets provides their own versions of these functions. Those
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targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */
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#ifdef _REENT_ONLY
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#ifndef REENTRANT_SYSCALLS_PROVIDED
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#define REENTRANT_SYSCALLS_PROVIDED
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#endif
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#endif
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#ifdef REENTRANT_SYSCALLS_PROVIDED
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int _dummy_fstat_syscalls = 1;
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#else
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/* We use the errno variable used by the system dependent layer. */
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#undef errno
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extern int errno;
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/*
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FUNCTION
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<<_fstat64_r>>---Reentrant version of fstat64
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INDEX
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_fstat64_r
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ANSI_SYNOPSIS
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#include <reent.h>
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int _fstat64_r(struct _reent *<[ptr]>,
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int <[fd]>, struct stat64 *<[pstat]>);
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TRAD_SYNOPSIS
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#include <reent.h>
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int _fstat64_r(<[ptr]>, <[fd]>, <[pstat]>)
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struct _reent *<[ptr]>;
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int <[fd]>;
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struct stat *<[pstat]>;
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DESCRIPTION
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This is a reentrant version of <<fstat64>>. It
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takes a pointer to the global data block, which holds
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<<errno>>. This function is only enabled on systems
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that define __LARGE64_FILES.
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*/
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int
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_DEFUN (_fstat64_r, (ptr, fd, pstat),
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struct _reent *ptr _AND
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int fd _AND
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struct stat64 *pstat)
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{
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int ret;
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errno = 0;
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if ((ret = _fstat64 (fd, pstat)) == -1 && errno != 0)
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ptr->_errno = errno;
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return ret;
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}
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#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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#endif /* __LARGE64_FILES */
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