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author | Daniel J Walsh <dwalsh@redhat.com> | 2018-07-08 07:55:30 -0400 |
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committer | Atomic Bot <atomic-devel@projectatomic.io> | 2018-07-19 18:43:32 +0000 |
commit | 98703eb204923f06555605c648fc165a55214520 (patch) | |
tree | a407bae8b3489d4f9b0f0d0f228658bbfe95a38e /vendor/github.com/ulikunitz/xz/bits.go | |
parent | c020db8cd21cb221cfbe36b264e0ec02999596ed (diff) | |
download | podman-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.go | 74 |
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 + } +} |