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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/go/compress/flate/util.go
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Diffstat (limited to 'libgo/go/compress/flate/util.go')
-rw-r--r--libgo/go/compress/flate/util.go72
1 files changed, 72 insertions, 0 deletions
diff --git a/libgo/go/compress/flate/util.go b/libgo/go/compress/flate/util.go
new file mode 100644
index 000000000..aca5c78b2
--- /dev/null
+++ b/libgo/go/compress/flate/util.go
@@ -0,0 +1,72 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package flate
+
+func min(left int, right int) int {
+ if left < right {
+ return left
+ }
+ return right
+}
+
+func minInt32(left int32, right int32) int32 {
+ if left < right {
+ return left
+ }
+ return right
+}
+
+func max(left int, right int) int {
+ if left > right {
+ return left
+ }
+ return right
+}
+
+func fillInts(a []int, value int) {
+ for i := range a {
+ a[i] = value
+ }
+}
+
+func fillInt32s(a []int32, value int32) {
+ for i := range a {
+ a[i] = value
+ }
+}
+
+func fillBytes(a []byte, value byte) {
+ for i := range a {
+ a[i] = value
+ }
+}
+
+func fillInt8s(a []int8, value int8) {
+ for i := range a {
+ a[i] = value
+ }
+}
+
+func fillUint8s(a []uint8, value uint8) {
+ for i := range a {
+ a[i] = value
+ }
+}
+
+func copyInt8s(dst []int8, src []int8) int {
+ cnt := min(len(dst), len(src))
+ for i := 0; i < cnt; i++ {
+ dst[i] = src[i]
+ }
+ return cnt
+}
+
+func copyUint8s(dst []uint8, src []uint8) int {
+ cnt := min(len(dst), len(src))
+ for i := 0; i < cnt; i++ {
+ dst[i] = src[i]
+ }
+ return cnt
+}