summaryrefslogtreecommitdiff
path: root/vendor/github.com/ulikunitz/xz/bits.go
diff options
context:
space:
mode:
authorDaniel J Walsh <dwalsh@redhat.com>2018-07-08 07:55:30 -0400
committerAtomic Bot <atomic-devel@projectatomic.io>2018-07-19 18:43:32 +0000
commit98703eb204923f06555605c648fc165a55214520 (patch)
treea407bae8b3489d4f9b0f0d0f228658bbfe95a38e /vendor/github.com/ulikunitz/xz/bits.go
parentc020db8cd21cb221cfbe36b264e0ec02999596ed (diff)
downloadpodman-98703eb204923f06555605c648fc165a55214520.tar.gz
podman-98703eb204923f06555605c648fc165a55214520.tar.bz2
podman-98703eb204923f06555605c648fc165a55214520.zip
Vendor in latest code for storage,image, buildah
vendor in containers/storage vendor in containers/image vendor in projectatomic/buildah Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1114 Approved by: mheon
Diffstat (limited to 'vendor/github.com/ulikunitz/xz/bits.go')
-rw-r--r--vendor/github.com/ulikunitz/xz/bits.go74
1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/github.com/ulikunitz/xz/bits.go b/vendor/github.com/ulikunitz/xz/bits.go
new file mode 100644
index 000000000..fadc1a594
--- /dev/null
+++ b/vendor/github.com/ulikunitz/xz/bits.go
@@ -0,0 +1,74 @@
+// Copyright 2014-2017 Ulrich Kunitz. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xz
+
+import (
+ "errors"
+ "io"
+)
+
+// putUint32LE puts the little-endian representation of x into the first
+// four bytes of p.
+func putUint32LE(p []byte, x uint32) {
+ p[0] = byte(x)
+ p[1] = byte(x >> 8)
+ p[2] = byte(x >> 16)
+ p[3] = byte(x >> 24)
+}
+
+// putUint64LE puts the little-endian representation of x into the first
+// eight bytes of p.
+func putUint64LE(p []byte, x uint64) {
+ p[0] = byte(x)
+ p[1] = byte(x >> 8)
+ p[2] = byte(x >> 16)
+ p[3] = byte(x >> 24)
+ p[4] = byte(x >> 32)
+ p[5] = byte(x >> 40)
+ p[6] = byte(x >> 48)
+ p[7] = byte(x >> 56)
+}
+
+// uint32LE converts a little endian representation to an uint32 value.
+func uint32LE(p []byte) uint32 {
+ return uint32(p[0]) | uint32(p[1])<<8 | uint32(p[2])<<16 |
+ uint32(p[3])<<24
+}
+
+// putUvarint puts a uvarint representation of x into the byte slice.
+func putUvarint(p []byte, x uint64) int {
+ i := 0
+ for x >= 0x80 {
+ p[i] = byte(x) | 0x80
+ x >>= 7
+ i++
+ }
+ p[i] = byte(x)
+ return i + 1
+}
+
+// errOverflow indicates an overflow of the 64-bit unsigned integer.
+var errOverflowU64 = errors.New("xz: uvarint overflows 64-bit unsigned integer")
+
+// readUvarint reads a uvarint from the given byte reader.
+func readUvarint(r io.ByteReader) (x uint64, n int, err error) {
+ var s uint
+ i := 0
+ for {
+ b, err := r.ReadByte()
+ if err != nil {
+ return x, i, err
+ }
+ i++
+ if b < 0x80 {
+ if i > 10 || i == 10 && b > 1 {
+ return x, i, errOverflowU64
+ }
+ return x | uint64(b)<<s, i, nil
+ }
+ x |= uint64(b&0x7f) << s
+ s += 7
+ }
+}