summaryrefslogtreecommitdiff
path: root/vendor/github.com/vmihailenco/bufpool/buffer_ext.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/vmihailenco/bufpool/buffer_ext.go')
-rw-r--r--vendor/github.com/vmihailenco/bufpool/buffer_ext.go66
1 files changed, 0 insertions, 66 deletions
diff --git a/vendor/github.com/vmihailenco/bufpool/buffer_ext.go b/vendor/github.com/vmihailenco/bufpool/buffer_ext.go
deleted file mode 100644
index 8a904bc5c..000000000
--- a/vendor/github.com/vmihailenco/bufpool/buffer_ext.go
+++ /dev/null
@@ -1,66 +0,0 @@
-package bufpool
-
-import "bytes"
-
-// Reset resets the buffer to be empty,
-// but it retains the underlying storage for use by future writes.
-// Reset is the same as Truncate(0).
-func (b *Buffer) Reset() {
- if b.off > cap(b.buf) {
- panic("Buffer is used after Put")
- }
- b.buf = b.buf[:0]
- b.off = 0
- b.lastRead = opInvalid
-}
-
-func (b *Buffer) ResetBuf(buf []byte) {
- if b.off > cap(b.buf) {
- panic("Buffer is used after Put")
- }
- b.buf = buf[:0]
- b.off = 0
- b.lastRead = opInvalid
-}
-
-// grow grows the buffer to guarantee space for n more bytes.
-// It returns the index where bytes should be written.
-// If the buffer can't grow it will panic with ErrTooLarge.
-func (b *Buffer) grow(n int) int {
- if b.off > cap(b.buf) {
- panic("Buffer is used after Put")
- }
- m := b.Len()
- // If buffer is empty, reset to recover space.
- if m == 0 && b.off != 0 {
- b.Reset()
- }
- // Try to grow by means of a reslice.
- if i, ok := b.tryGrowByReslice(n); ok {
- return i
- }
- if b.buf == nil && n <= smallBufferSize {
- b.buf = make([]byte, n, smallBufferSize)
- return 0
- }
- c := cap(b.buf)
- if n <= c/2-m {
- // We can slide things down instead of allocating a new
- // slice. We only need m+n <= c to slide, but
- // we instead let capacity get twice as large so we
- // don't spend all our time copying.
- copy(b.buf, b.buf[b.off:])
- } else if c > maxInt-c-n {
- panic(bytes.ErrTooLarge)
- } else {
- // Not enough space anywhere, we need to allocate.
- tmp := Get(2*c + n)
- copy(tmp.buf, b.buf[b.off:])
- b.buf, tmp.buf = tmp.buf, b.buf
- Put(tmp)
- }
- // Restore b.off and len(b.buf).
- b.off = 0
- b.buf = b.buf[:m+n]
- return m
-}