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all: replace package ioutil with os and io in src

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For #45557

Change-Id: I56824135d86452603dd4ed4bab0e24c201bb0683
Reviewed-on: https://go-review.googlesource.com/c/go/+/426257
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Andy Pan 2022-08-28 03:38:00 +08:00 • committed by Gopher Robot
parent 1e7e160d07
commit f8c659b62f
67 changed files with 255 additions and 290 deletions
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3
src/cmd/cgo/main.go
View file

@ -18,7 +18,6 @@ import (
"go/token"
"internal/buildcfg"
"io"
"io/ioutil"
"os"
"path/filepath"
"reflect"
@ -345,7 +344,7 @@ func main() {
input = aname
}
b, err := ioutil.ReadFile(input)
b, err := os.ReadFile(input)
if err != nil {
fatalf("%s", err)
}

5
src/cmd/cgo/util.go
View file

@ -8,7 +8,6 @@ import (
"bytes"
"fmt"
"go/token"
"io/ioutil"
"os"
"os/exec"
)
@ -21,13 +20,13 @@ func run(stdin []byte, argv []string) (stdout, stderr []byte, ok bool) {
// Some compilers have trouble with standard input.
// Others have trouble with -xc.
// Avoid both problems by writing a file with a .c extension.
f, err := ioutil.TempFile("", "cgo-gcc-input-")
f, err := os.CreateTemp("", "cgo-gcc-input-")
if err != nil {
fatalf("%s", err)
}
name := f.Name()
f.Close()
if err := ioutil.WriteFile(name+".c", stdin, 0666); err != nil {
if err := os.WriteFile(name+".c", stdin, 0666); err != nil {
os.Remove(name)
fatalf("%s", err)
}