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-rw-r--r--src/lib/Make.deps6
-rw-r--r--src/lib/bytes/bytes.go5
-rw-r--r--src/lib/io/io.go5
-rw-r--r--src/lib/strconv/decimal.go11
-rw-r--r--src/lib/tabwriter/tabwriter.go5
-rw-r--r--src/lib/utf8/utf8_test.go25
6 files changed, 23 insertions, 34 deletions
diff --git a/src/lib/Make.deps b/src/lib/Make.deps
index 50ba9c9e5..0445fbc6a 100644
--- a/src/lib/Make.deps
+++ b/src/lib/Make.deps
@@ -22,7 +22,7 @@ hash.install: io.install
hash/adler32.install: hash.install os.install
hash/crc32.install: hash.install os.install
http.install: bufio.install fmt.install io.install log.install net.install os.install path.install strconv.install strings.install utf8.install
-io.install: os.install sync.install
+io.install: bytes.install os.install sync.install
json.install: container/vector.install fmt.install io.install math.install reflect.install strconv.install strings.install utf8.install
log.install: fmt.install io.install os.install runtime.install time.install
malloc.install:
@@ -36,11 +36,11 @@ reflect.install: strconv.install sync.install utf8.install
regexp.install: container/vector.install os.install runtime.install utf8.install
runtime.install:
sort.install:
-strconv.install: math.install os.install utf8.install
+strconv.install: bytes.install math.install os.install utf8.install
strings.install: utf8.install
sync.install:
syscall.install: sync.install
-tabwriter.install: container/vector.install io.install os.install utf8.install
+tabwriter.install: bytes.install container/vector.install io.install os.install utf8.install
template.install: container/vector.install fmt.install io.install os.install reflect.install runtime.install strings.install
testing.install: flag.install fmt.install os.install runtime.install
testing/iotest.install: io.install log.install os.install
diff --git a/src/lib/bytes/bytes.go b/src/lib/bytes/bytes.go
index a64b07b74..dd299a82e 100644
--- a/src/lib/bytes/bytes.go
+++ b/src/lib/bytes/bytes.go
@@ -43,11 +43,12 @@ func Equal(a, b []byte) bool {
// Copy copies the source to the destination, stopping when the source
// is all transferred. The caller must guarantee that there is enough
-// room in the destination.
-func Copy(dst, src []byte) {
+// room in the destination. It returns the number of bytes copied
+func Copy(dst, src []byte) int {
for i, x := range src {
dst[i] = x
}
+ return len(src)
}
// Explode splits s into an array of UTF-8 sequences, one per Unicode character (still arrays of bytes).
diff --git a/src/lib/io/io.go b/src/lib/io/io.go
index c120d8d44..ba0449ac1 100644
--- a/src/lib/io/io.go
+++ b/src/lib/io/io.go
@@ -10,6 +10,7 @@
package io
import (
+ "bytes";
"os";
)
@@ -210,9 +211,7 @@ func (r ByteReader) Read(p []byte) (int, os.Error) {
if n > len(b) {
n = len(b);
}
- for i := 0; i < n; i++ {
- p[i] = b[i];
- }
+ bytes.Copy(p, b[0:n]);
*b = b[n:len(b)];
return n, nil;
}
diff --git a/src/lib/strconv/decimal.go b/src/lib/strconv/decimal.go
index 4808e9346..38d9c47fb 100644
--- a/src/lib/strconv/decimal.go
+++ b/src/lib/strconv/decimal.go
@@ -11,6 +11,8 @@
package strconv
+import "bytes"
+
type decimal struct {
// TODO(rsc): Can make d[] a bit smaller and add
// truncated bool;
@@ -27,7 +29,6 @@ func (a *decimal) RoundDown(nd int) *decimal;
func (a *decimal) RoundedInteger() uint64;
-func copy(dst []byte, src []byte) int;
func digitZero(dst []byte) int;
func (a *decimal) String() string {
@@ -52,18 +53,18 @@ func (a *decimal) String() string {
buf[w] = '.';
w++;
w += digitZero(buf[w:w+-a.dp]);
- w += copy(buf[w:w+a.nd], a.d[0:a.nd]);
+ w += bytes.Copy(buf[w:w+a.nd], a.d[0:a.nd]);
case a.dp < a.nd:
// decimal point in middle of digits
- w += copy(buf[w:w+a.dp], a.d[0:a.dp]);
+ w += bytes.Copy(buf[w:w+a.dp], a.d[0:a.dp]);
buf[w] = '.';
w++;
- w += copy(buf[w:w+a.nd-a.dp], a.d[a.dp:a.nd]);
+ w += bytes.Copy(buf[w:w+a.nd-a.dp], a.d[a.dp:a.nd]);
default:
// zeros fill space between digits and decimal point
- w += copy(buf[w:w+a.nd], a.d[0:a.nd]);
+ w += bytes.Copy(buf[w:w+a.nd], a.d[0:a.nd]);
w += digitZero(buf[w:w+a.dp-a.nd]);
}
return string(buf[0:w]);
diff --git a/src/lib/tabwriter/tabwriter.go b/src/lib/tabwriter/tabwriter.go
index 8179165bc..88da7da2b 100644
--- a/src/lib/tabwriter/tabwriter.go
+++ b/src/lib/tabwriter/tabwriter.go
@@ -10,6 +10,7 @@
package tabwriter
import (
+ "bytes";
"container/vector";
"io";
"os";
@@ -56,9 +57,7 @@ func (b *byteArray) append(s []byte) {
n2 = m;
}
b := make([]byte, n2);
- for i := 0; i < n; i++ {
- b[i] = a[i];
- }
+ bytes.Copy(b, a);
a = b;
}
diff --git a/src/lib/utf8/utf8_test.go b/src/lib/utf8/utf8_test.go
index d6d20a135..f60b0b17e 100644
--- a/src/lib/utf8/utf8_test.go
+++ b/src/lib/utf8/utf8_test.go
@@ -5,6 +5,7 @@
package utf8
import (
+ "bytes";
"fmt";
"io";
"testing";
@@ -45,7 +46,7 @@ var utf8map = []Utf8Map {
}
// io.StringBytes with one extra byte at end
-func bytes(s string) []byte {
+func makeBytes(s string) []byte {
s += "\x00";
b := io.StringBytes(s);
return b[0:len(s)-1];
@@ -54,7 +55,7 @@ func bytes(s string) []byte {
func TestFullRune(t *testing.T) {
for i := 0; i < len(utf8map); i++ {
m := utf8map[i];
- b := bytes(m.str);
+ b := makeBytes(m.str);
if !utf8.FullRune(b) {
t.Errorf("FullRune(%q) (rune %04x) = false, want true", b, m.rune);
}
@@ -73,26 +74,14 @@ func TestFullRune(t *testing.T) {
}
}
-func equalBytes(a, b []byte) bool {
- if len(a) != len(b) {
- return false;
- }
- for i := 0; i < len(a); i++ {
- if a[i] != b[i] {
- return false;
- }
- }
- return true;
-}
-
func TestEncodeRune(t *testing.T) {
for i := 0; i < len(utf8map); i++ {
m := utf8map[i];
- b := bytes(m.str);
+ b := makeBytes(m.str);
var buf [10]byte;
n := utf8.EncodeRune(m.rune, &buf);
b1 := buf[0:n];
- if !equalBytes(b, b1) {
+ if !bytes.Equal(b, b1) {
t.Errorf("EncodeRune(0x%04x) = %q want %q", m.rune, b1, b);
}
}
@@ -101,7 +90,7 @@ func TestEncodeRune(t *testing.T) {
func TestDecodeRune(t *testing.T) {
for i := 0; i < len(utf8map); i++ {
m := utf8map[i];
- b := bytes(m.str);
+ b := makeBytes(m.str);
rune, size := utf8.DecodeRune(b);
if rune != m.rune || size != len(b) {
t.Errorf("DecodeRune(%q) = 0x%04x, %d want 0x%04x, %d", b, rune, size, m.rune, len(b));
@@ -172,7 +161,7 @@ func TestRuneCount(t *testing.T) {
if out := utf8.RuneCountInString(tt.in); out != tt.out {
t.Errorf("RuneCountInString(%q) = %d, want %d", tt.in, out, tt.out);
}
- if out := utf8.RuneCount(bytes(tt.in)); out != tt.out {
+ if out := utf8.RuneCount(makeBytes(tt.in)); out != tt.out {
t.Errorf("RuneCount(%q) = %d, want %d", tt.in, out, tt.out);
}
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 03:19:32 +0000