From ff5f50c52c421d75940ef9392211e3ab24d71332 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@google.com>
Date: Fri, 21 Jan 2011 18:19:03 +0000
Subject: Remove the types float and complex.

Update to current version of Go library.

Update testsuite for removed types.

	* go-lang.c (go_langhook_init): Omit float_type_size when calling
	go_create_gogo.
	* go-c.h: Update declaration of go_create_gogo.

From-SVN: r169098
---
 libgo/go/bufio/bufio.go      | 67 ++++++++++++++++++++++----------------------
 libgo/go/bufio/bufio_test.go | 10 +++----
 2 files changed, 38 insertions(+), 39 deletions(-)

(limited to 'libgo/go/bufio')

diff --git a/libgo/go/bufio/bufio.go b/libgo/go/bufio/bufio.go
index 7d59fb883cb..c13456a6326 100644
--- a/libgo/go/bufio/bufio.go
+++ b/libgo/go/bufio/bufio.go
@@ -128,43 +128,42 @@ func (b *Reader) Peek(n int) ([]byte, os.Error) {
 
 // Read reads data into p.
 // It returns the number of bytes read into p.
-// If nn < len(p), also returns an error explaining
-// why the read is short.  At EOF, the count will be
-// zero and err will be os.EOF.
-func (b *Reader) Read(p []byte) (nn int, err os.Error) {
-	nn = 0
-	for len(p) > 0 {
-		n := len(p)
-		if b.w == b.r {
-			if b.err != nil {
-				return nn, b.err
-			}
-			if len(p) >= len(b.buf) {
-				// Large read, empty buffer.
-				// Read directly into p to avoid copy.
-				n, b.err = b.rd.Read(p)
-				if n > 0 {
-					b.lastByte = int(p[n-1])
-					b.lastRuneSize = -1
-				}
-				p = p[n:]
-				nn += n
-				continue
+// It calls Read at most once on the underlying Reader,
+// hence n may be less than len(p).
+// At EOF, the count will be zero and err will be os.EOF.
+func (b *Reader) Read(p []byte) (n int, err os.Error) {
+	n = len(p)
+	if n == 0 {
+		return 0, b.err
+	}
+	if b.w == b.r {
+		if b.err != nil {
+			return 0, b.err
+		}
+		if len(p) >= len(b.buf) {
+			// Large read, empty buffer.
+			// Read directly into p to avoid copy.
+			n, b.err = b.rd.Read(p)
+			if n > 0 {
+				b.lastByte = int(p[n-1])
+				b.lastRuneSize = -1
 			}
-			b.fill()
-			continue
+			return n, b.err
 		}
-		if n > b.w-b.r {
-			n = b.w - b.r
+		b.fill()
+		if b.w == b.r {
+			return 0, b.err
 		}
-		copy(p[0:n], b.buf[b.r:])
-		p = p[n:]
-		b.r += n
-		b.lastByte = int(b.buf[b.r-1])
-		b.lastRuneSize = -1
-		nn += n
 	}
-	return nn, nil
+
+	if n > b.w-b.r {
+		n = b.w - b.r
+	}
+	copy(p[0:n], b.buf[b.r:])
+	b.r += n
+	b.lastByte = int(b.buf[b.r-1])
+	b.lastRuneSize = -1
+	return n, nil
 }
 
 // ReadByte reads and returns a single byte.
@@ -482,7 +481,7 @@ func (b *Writer) WriteRune(rune int) (size int, err os.Error) {
 			return b.WriteString(string(rune))
 		}
 	}
-	size = utf8.EncodeRune(rune, b.buf[b.n:])
+	size = utf8.EncodeRune(b.buf[b.n:], rune)
 	b.n += size
 	return size, nil
 }
diff --git a/libgo/go/bufio/bufio_test.go b/libgo/go/bufio/bufio_test.go
index ef91d94cae9..059ca6dd223 100644
--- a/libgo/go/bufio/bufio_test.go
+++ b/libgo/go/bufio/bufio_test.go
@@ -337,7 +337,7 @@ func TestReadWriteRune(t *testing.T) {
 	// Write the runes out using WriteRune
 	buf := make([]byte, utf8.UTFMax)
 	for rune := 0; rune < NRune; rune++ {
-		size := utf8.EncodeRune(rune, buf)
+		size := utf8.EncodeRune(buf, rune)
 		nbytes, err := w.WriteRune(rune)
 		if err != nil {
 			t.Fatalf("WriteRune(0x%x) error: %s", rune, err)
@@ -351,7 +351,7 @@ func TestReadWriteRune(t *testing.T) {
 	r := NewReader(byteBuf)
 	// Read them back with ReadRune
 	for rune := 0; rune < NRune; rune++ {
-		size := utf8.EncodeRune(rune, buf)
+		size := utf8.EncodeRune(buf, rune)
 		nr, nbytes, err := r.ReadRune()
 		if nr != rune || nbytes != size || err != nil {
 			t.Fatalf("ReadRune(0x%x) got 0x%x,%d not 0x%x,%d (err=%s)", r, nr, nbytes, r, size, err)
@@ -397,9 +397,9 @@ func TestWriter(t *testing.T) {
 			}
 			for l := 0; l < len(written); l++ {
 				if written[i] != data[i] {
-					t.Errorf("%s: wrong bytes written")
-					t.Errorf("want=%s", data[0:len(written)])
-					t.Errorf("have=%s", written)
+					t.Errorf("wrong bytes written")
+					t.Errorf("want=%q", data[0:len(written)])
+					t.Errorf("have=%q", written)
 				}
 			}
 		}
-- 
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