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106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// File operations for Darwin
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package syscall
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import (
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"syscall";
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"unsafe";
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)
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const NameBufsize = 512
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export func open(name string, mode int64, perm int64) (ret int64, errno int64) {
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var namebuf [NameBufsize]byte;
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if !StringToBytes(namebuf, name) {
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return -1, ENAMETOOLONG
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}
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r1, r2, err := Syscall(SYS_OPEN, int64(uintptr(unsafe.pointer(&namebuf[0]))), mode, perm);
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return r1, err;
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}
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export func creat(name string, perm int64) (ret int64, errno int64) {
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var namebuf [NameBufsize]byte;
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if !StringToBytes(namebuf, name) {
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return -1, ENAMETOOLONG
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}
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r1, r2, err := Syscall(SYS_OPEN, int64(uintptr(unsafe.pointer(&namebuf[0]))), O_CREAT|O_WRONLY|O_TRUNC, perm);
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return r1, err;
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}
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export func close(fd int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_CLOSE, fd, 0, 0);
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return r1, err;
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}
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export func read(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_READ, fd, int64(uintptr(unsafe.pointer(buf))), nbytes);
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return r1, err;
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}
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export func write(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_WRITE, fd, int64(uintptr(unsafe.pointer(buf))), nbytes);
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return r1, err;
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}
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export func pipe(fds *[2]int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_PIPE, 0, 0, 0);
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if r1 < 0 {
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return r1, err;
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}
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fds[0] = r1;
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fds[1] = r2;
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return 0, 0;
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}
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export func stat(name string, buf *Stat) (ret int64, errno int64) {
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var namebuf [NameBufsize]byte;
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if !StringToBytes(namebuf, name) {
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return -1, ENAMETOOLONG
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}
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r1, r2, err := Syscall(SYS_STAT64, int64(uintptr(unsafe.pointer(&namebuf[0]))), int64(uintptr(unsafe.pointer(buf))), 0);
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return r1, err;
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}
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export func lstat(name *byte, buf *Stat) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_LSTAT, int64(uintptr(unsafe.pointer(name))), int64(uintptr(unsafe.pointer(buf))), 0);
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return r1, err;
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}
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export func fstat(fd int64, buf *Stat) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_FSTAT, fd, int64(uintptr(unsafe.pointer(buf))), 0);
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return r1, err;
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}
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export func unlink(name string) (ret int64, errno int64) {
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var namebuf [NameBufsize]byte;
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if !StringToBytes(namebuf, name) {
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return -1, ENAMETOOLONG
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}
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r1, r2, err := Syscall(SYS_UNLINK, int64(uintptr(unsafe.pointer(&namebuf[0]))), 0, 0);
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return r1, err;
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}
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export func fcntl(fd, cmd, arg int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_FCNTL, fd, cmd, arg);
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return r1, err
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}
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export func mkdir(name string, perm int64) (ret int64, errno int64) {
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var namebuf [NameBufsize]byte;
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if !StringToBytes(namebuf, name) {
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return -1, ENAMETOOLONG
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}
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r1, r2, err := Syscall(SYS_MKDIR, int64(uintptr(unsafe.pointer(&namebuf[0]))), perm, 0);
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return r1, err;
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}
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export func dup2(fd1, fd2 int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_DUP2, fd1, fd2, 0);
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return r1, err;
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}
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