diff options
Diffstat (limited to 'libgo/go/bytes/buffer.go')
| -rw-r--r-- | libgo/go/bytes/buffer.go | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libgo/go/bytes/buffer.go b/libgo/go/bytes/buffer.go index e66ac02..77757af 100644 --- a/libgo/go/bytes/buffer.go +++ b/libgo/go/bytes/buffer.go @@ -97,8 +97,7 @@ func (b *Buffer) grow(n int) int { func (b *Buffer) Write(p []byte) (n int, err error) { b.lastRead = opInvalid m := b.grow(len(p)) - copy(b.buf[m:], p) - return len(p), nil + return copy(b.buf[m:], p), nil } // WriteString appends the contents of s to the buffer. The return @@ -200,13 +199,16 @@ func (b *Buffer) WriteRune(r rune) (n int, err error) { // Read reads the next len(p) bytes from the buffer or until the buffer // is drained. The return value n is the number of bytes read. If the -// buffer has no data to return, err is io.EOF even if len(p) is zero; +// buffer has no data to return, err is io.EOF (unless len(p) is zero); // otherwise it is nil. func (b *Buffer) Read(p []byte) (n int, err error) { b.lastRead = opInvalid if b.off >= len(b.buf) { // Buffer is empty, reset to recover space. b.Truncate(0) + if len(p) == 0 { + return + } return 0, io.EOF } n = copy(p, b.buf[b.off:]) |