26 lines
544 B
C
26 lines
544 B
C
#include <sys/cdefs.h>
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#include "namespace.h"
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#include <lib.h>
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#include <string.h>
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#include <minix/u64.h>
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#include <unistd.h>
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#ifdef __weak_alias
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__weak_alias(lseek, _lseek)
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#endif
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off_t
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lseek(int fd, off_t offset, int whence)
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{
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message m;
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memset(&m, 0, sizeof(m));
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m.VFS_LSEEK_FD = fd;
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m.VFS_LSEEK_OFF_LO = ex64lo(offset);
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m.VFS_LSEEK_OFF_HI = ex64hi(offset);
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m.VFS_LSEEK_WHENCE = whence;
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if (_syscall(VFS_PROC_NR, VFS_LSEEK, &m) < 0) return( (off_t) -1);
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return( (off_t) make64(m.VFS_LSEEK_OFF_LO, m.VFS_LSEEK_OFF_HI));
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}
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