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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !windows,!plan9
package interp
import "syscall"
func fillStat(st *syscall.Stat_t, stat structure) {
stat[0] = st.Dev
stat[1] = st.Ino
stat[2] = st.Nlink
stat[3] = st.Mode
stat[4] = st.Uid
stat[5] = st.Gid
stat[7] = st.Rdev
stat[8] = st.Size
stat[9] = st.Blksize
stat[10] = st.Blocks
// TODO(adonovan): fix: copy Timespecs.
// stat[11] = st.Atim
// stat[12] = st.Mtim
// stat[13] = st.Ctim
}
func ext۰syscall۰Close(fr *frame, args []value) value {
// func Close(fd int) (err error)
return wrapError(syscall.Close(args[0].(int)))
}
func ext۰syscall۰Fstat(fr *frame, args []value) value {
// func Fstat(fd int, stat *Stat_t) (err error)
fd := args[0].(int)
stat := (*args[1].(*value)).(structure)
var st syscall.Stat_t
err := syscall.Fstat(fd, &st)
fillStat(&st, stat)
return wrapError(err)
}
func ext۰syscall۰ReadDirent(fr *frame, args []value) value {
// func ReadDirent(fd int, buf []byte) (n int, err error)
fd := args[0].(int)
p := args[1].([]value)
b := make([]byte, len(p))
n, err := syscall.ReadDirent(fd, b)
for i := 0; i < n; i++ {
p[i] = b[i]
}
return tuple{n, wrapError(err)}
}
func ext۰syscall۰Kill(fr *frame, args []value) value {
// func Kill(pid int, sig Signal) (err error)
return wrapError(syscall.Kill(args[0].(int), syscall.Signal(args[1].(int))))
}
func ext۰syscall۰Lstat(fr *frame, args []value) value {
// func Lstat(name string, stat *Stat_t) (err error)
name := args[0].(string)
stat := (*args[1].(*value)).(structure)
var st syscall.Stat_t
err := syscall.Lstat(name, &st)
fillStat(&st, stat)
return wrapError(err)
}
func ext۰syscall۰Open(fr *frame, args []value) value {
// func Open(path string, mode int, perm uint32) (fd int, err error) {
path := args[0].(string)
mode := args[1].(int)
perm := args[2].(uint32)
fd, err := syscall.Open(path, mode, perm)
return tuple{fd, wrapError(err)}
}
func ext۰syscall۰ParseDirent(fr *frame, args []value) value {
// func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string)
max := args[1].(int)
var names []string
for _, iname := range args[2].([]value) {
names = append(names, iname.(string))
}
consumed, count, newnames := syscall.ParseDirent(valueToBytes(args[0]), max, names)
var inewnames []value
for _, newname := range newnames {
inewnames = append(inewnames, newname)
}
return tuple{consumed, count, inewnames}
}
func ext۰syscall۰Read(fr *frame, args []value) value {
// func Read(fd int, p []byte) (n int, err error)
fd := args[0].(int)
p := args[1].([]value)
b := make([]byte, len(p))
n, err := syscall.Read(fd, b)
for i := 0; i < n; i++ {
p[i] = b[i]
}
return tuple{n, wrapError(err)}
}
func ext۰syscall۰Stat(fr *frame, args []value) value {
// func Stat(name string, stat *Stat_t) (err error)
name := args[0].(string)
stat := (*args[1].(*value)).(structure)
var st syscall.Stat_t
err := syscall.Stat(name, &st)
fillStat(&st, stat)
return wrapError(err)
}
func ext۰syscall۰Write(fr *frame, args []value) value {
// func Write(fd int, p []byte) (n int, err error)
n, err := write(args[0].(int), valueToBytes(args[1]))
return tuple{n, wrapError(err)}
}
func ext۰syscall۰RawSyscall(fr *frame, args []value) value {
return tuple{uintptr(0), uintptr(0), uintptr(syscall.ENOSYS)}
}
func syswrite(fd int, b []byte) (int, error) {
return syscall.Write(fd, b)
}
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