summaryrefslogtreecommitdiff
path: root/doc/progs
diff options
context:
space:
mode:
Diffstat (limited to 'doc/progs')
-rw-r--r--doc/progs/file_windows.go89
-rwxr-xr-xdoc/progs/run7
-rw-r--r--doc/progs/sort.go36
-rw-r--r--doc/progs/sortmain.go4
4 files changed, 115 insertions, 21 deletions
diff --git a/doc/progs/file_windows.go b/doc/progs/file_windows.go
new file mode 100644
index 000000000..d5e7c00d3
--- /dev/null
+++ b/doc/progs/file_windows.go
@@ -0,0 +1,89 @@
+// Copyright 2009 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.
+
+package file
+
+import (
+ "os"
+ "syscall"
+)
+
+type File struct {
+ fd syscall.Handle // file descriptor number
+ name string // file name at Open time
+}
+
+func newFile(fd syscall.Handle, name string) *File {
+ if fd < 0 {
+ return nil
+ }
+ return &File{fd, name}
+}
+
+var (
+ Stdin = newFile(syscall.Stdin, "/dev/stdin")
+ Stdout = newFile(syscall.Stdout, "/dev/stdout")
+ Stderr = newFile(syscall.Stderr, "/dev/stderr")
+)
+
+func OpenFile(name string, mode int, perm uint32) (file *File, err os.Error) {
+ r, e := syscall.Open(name, mode, perm)
+ if e != 0 {
+ err = os.Errno(e)
+ }
+ return newFile(r, name), err
+}
+
+const (
+ O_RDONLY = syscall.O_RDONLY
+ O_RDWR = syscall.O_RDWR
+ O_CREATE = syscall.O_CREAT
+ O_TRUNC = syscall.O_TRUNC
+)
+
+func Open(name string) (file *File, err os.Error) {
+ return OpenFile(name, O_RDONLY, 0)
+}
+
+func Create(name string) (file *File, err os.Error) {
+ return OpenFile(name, O_RDWR|O_CREATE|O_TRUNC, 0666)
+}
+
+func (file *File) Close() os.Error {
+ if file == nil {
+ return os.EINVAL
+ }
+ e := syscall.Close(file.fd)
+ file.fd = syscall.InvalidHandle // so it can't be closed again
+ if e != 0 {
+ return os.Errno(e)
+ }
+ return nil
+}
+
+func (file *File) Read(b []byte) (ret int, err os.Error) {
+ if file == nil {
+ return -1, os.EINVAL
+ }
+ r, e := syscall.Read(file.fd, b)
+ if e != 0 {
+ err = os.Errno(e)
+ }
+ return int(r), err
+}
+
+func (file *File) Write(b []byte) (ret int, err os.Error) {
+ if file == nil {
+ return -1, os.EINVAL
+ }
+ r, e := syscall.Write(file.fd, b)
+ if e != 0 {
+ err = os.Errno(e)
+ }
+ return int(r), err
+}
+
+func (file *File) String() string {
+ return file.name
+}
diff --git a/doc/progs/run b/doc/progs/run
index 241e65dfa..81781c9d2 100755
--- a/doc/progs/run
+++ b/doc/progs/run
@@ -14,8 +14,13 @@ fi
rm -f *.$O
+if [ "$GOOS" = "windows" ];then
+ $GC -o file.8 file_windows.go
+else
+ $GC file.go
+fi
+
for i in \
- file.go \
helloworld.go \
helloworld3.go \
echo.go \
diff --git a/doc/progs/sort.go b/doc/progs/sort.go
index 79e7f563e..47df9b351 100644
--- a/doc/progs/sort.go
+++ b/doc/progs/sort.go
@@ -30,34 +30,34 @@ func IsSorted(data Interface) bool {
// Convenience types for common cases
-type IntArray []int
+type IntSlice []int
-func (p IntArray) Len() int { return len(p) }
-func (p IntArray) Less(i, j int) bool { return p[i] < p[j] }
-func (p IntArray) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
+func (p IntSlice) Len() int { return len(p) }
+func (p IntSlice) Less(i, j int) bool { return p[i] < p[j] }
+func (p IntSlice) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
-type Float64Array []float64
+type Float64Slice []float64
-func (p Float64Array) Len() int { return len(p) }
-func (p Float64Array) Less(i, j int) bool { return p[i] < p[j] }
-func (p Float64Array) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
+func (p Float64Slice) Len() int { return len(p) }
+func (p Float64Slice) Less(i, j int) bool { return p[i] < p[j] }
+func (p Float64Slice) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
-type StringArray []string
+type StringSlice []string
-func (p StringArray) Len() int { return len(p) }
-func (p StringArray) Less(i, j int) bool { return p[i] < p[j] }
-func (p StringArray) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
+func (p StringSlice) Len() int { return len(p) }
+func (p StringSlice) Less(i, j int) bool { return p[i] < p[j] }
+func (p StringSlice) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
// Convenience wrappers for common cases
-func SortInts(a []int) { Sort(IntArray(a)) }
-func SortFloat64s(a []float64) { Sort(Float64Array(a)) }
-func SortStrings(a []string) { Sort(StringArray(a)) }
+func SortInts(a []int) { Sort(IntSlice(a)) }
+func SortFloat64s(a []float64) { Sort(Float64Slice(a)) }
+func SortStrings(a []string) { Sort(StringSlice(a)) }
-func IntsAreSorted(a []int) bool { return IsSorted(IntArray(a)) }
-func Float64sAreSorted(a []float64) bool { return IsSorted(Float64Array(a)) }
-func StringsAreSorted(a []string) bool { return IsSorted(StringArray(a)) }
+func IntsAreSorted(a []int) bool { return IsSorted(IntSlice(a)) }
+func Float64sAreSorted(a []float64) bool { return IsSorted(Float64Slice(a)) }
+func StringsAreSorted(a []string) bool { return IsSorted(StringSlice(a)) }
diff --git a/doc/progs/sortmain.go b/doc/progs/sortmain.go
index a77ae7381..28eec8d4f 100644
--- a/doc/progs/sortmain.go
+++ b/doc/progs/sortmain.go
@@ -11,7 +11,7 @@ import (
func ints() {
data := []int{74, 59, 238, -784, 9845, 959, 905, 0, 0, 42, 7586, -5467984, 7586}
- a := sort.IntArray(data)
+ a := sort.IntSlice(data)
sort.Sort(a)
if !sort.IsSorted(a) {
panic("fail")
@@ -20,7 +20,7 @@ func ints() {
func strings() {
data := []string{"monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"}
- a := sort.StringArray(data)
+ a := sort.StringSlice(data)
sort.Sort(a)
if !sort.IsSorted(a) {
panic("fail")