Switch from launchpad.net/gommap to github.com/edsrzf/mmap-go for Windows support

[btrtrc.git] / mmap_span / mmap_span.go

diff --git a/mmap_span/mmap_span.go b/mmap_span/mmap_span.go
index 37e63af58970f1383979ad883407c5adf775f36c..c8a0200fe6d5a69438c18e34673fd8d74fcd826a 100644 (file)
--- a/mmap_span/mmap_span.go
+++ b/mmap_span/mmap_span.go
@@ -3,28 +3,28 @@ package mmap_span
 import (
        "io"
 
-       "launchpad.net/gommap"
+       "github.com/edsrzf/mmap-go"
 )
 
 type segment struct {
-       gommap.MMap
+       *mmap.MMap
 }
 
 func (me segment) Size() int64 {
-       return int64(len(me.MMap))
+       return int64(len(*me.MMap))
 }
 
 type MMapSpan struct {
        span
 }
 
-func (me *MMapSpan) Append(mmap gommap.MMap) {
-       me.span = append(me.span, segment{mmap})
+func (me *MMapSpan) Append(mmap mmap.MMap) {
+       me.span = append(me.span, segment{&mmap})
 }
 
 func (me MMapSpan) Close() {
        for _, mMap := range me.span {
-               mMap.(segment).UnsafeUnmap()
+               mMap.(segment).Unmap()
        }
 }
 
@@ -37,7 +37,7 @@ func (me MMapSpan) Size() (ret int64) {
 
 func (me MMapSpan) ReadAt(p []byte, off int64) (n int, err error) {
        me.ApplyTo(off, func(intervalOffset int64, interval sizer) (stop bool) {
-               _n := copy(p, interval.(segment).MMap[intervalOffset:])
+               _n := copy(p, (*interval.(segment).MMap)[intervalOffset:])
                p = p[_n:]
                n += _n
                return len(p) == 0
@@ -51,7 +51,7 @@ func (me MMapSpan) ReadAt(p []byte, off int64) (n int, err error) {
 func (me MMapSpan) WriteSectionTo(w io.Writer, off, n int64) (written int64, err error) {
        me.ApplyTo(off, func(intervalOffset int64, interval sizer) (stop bool) {
                var _n int
-               p := interval.(segment).MMap[intervalOffset:]
+               p := (*interval.(segment).MMap)[intervalOffset:]
                if n < int64(len(p)) {
                        p = p[:n]
                }
@@ -69,7 +69,7 @@ func (me MMapSpan) WriteSectionTo(w io.Writer, off, n int64) (written int64, err
 func (me MMapSpan) WriteAt(p []byte, off int64) (n int, err error) {
        me.ApplyTo(off, func(iOff int64, i sizer) (stop bool) {
                mMap := i.(segment)
-               _n := copy(mMap.MMap[iOff:], p)
+               _n := copy((*mMap.MMap)[iOff:], p)
                // err = mMap.Sync(gommap.MS_ASYNC)
                // if err != nil {
                //      return true