diff options
author | Gibheer <gibheer+git@zero-knowledge.org> | 2021-12-02 17:54:14 +0100 |
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committer | Gibheer <gibheer+git@zero-knowledge.org> | 2021-12-02 17:54:14 +0100 |
commit | fa05045d31c05c8928020f05f1d281901d983b2b (patch) | |
tree | 2ed3bac60302bfb14535a169f4b3e10d18fc6120 /vendor/github.com/lib/pq/buf.go | |
parent | 41d4805d584161ca16b8187194385e47c36422a6 (diff) |
cmd/monfront - import monfront from separate repository
This is the import from the separate monfront repository. The history
could not be imported, but this should suffice.
Diffstat (limited to 'vendor/github.com/lib/pq/buf.go')
-rw-r--r-- | vendor/github.com/lib/pq/buf.go | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/vendor/github.com/lib/pq/buf.go b/vendor/github.com/lib/pq/buf.go new file mode 100644 index 0000000..4b0a0a8 --- /dev/null +++ b/vendor/github.com/lib/pq/buf.go @@ -0,0 +1,91 @@ +package pq + +import ( + "bytes" + "encoding/binary" + + "github.com/lib/pq/oid" +) + +type readBuf []byte + +func (b *readBuf) int32() (n int) { + n = int(int32(binary.BigEndian.Uint32(*b))) + *b = (*b)[4:] + return +} + +func (b *readBuf) oid() (n oid.Oid) { + n = oid.Oid(binary.BigEndian.Uint32(*b)) + *b = (*b)[4:] + return +} + +// N.B: this is actually an unsigned 16-bit integer, unlike int32 +func (b *readBuf) int16() (n int) { + n = int(binary.BigEndian.Uint16(*b)) + *b = (*b)[2:] + return +} + +func (b *readBuf) string() string { + i := bytes.IndexByte(*b, 0) + if i < 0 { + errorf("invalid message format; expected string terminator") + } + s := (*b)[:i] + *b = (*b)[i+1:] + return string(s) +} + +func (b *readBuf) next(n int) (v []byte) { + v = (*b)[:n] + *b = (*b)[n:] + return +} + +func (b *readBuf) byte() byte { + return b.next(1)[0] +} + +type writeBuf struct { + buf []byte + pos int +} + +func (b *writeBuf) int32(n int) { + x := make([]byte, 4) + binary.BigEndian.PutUint32(x, uint32(n)) + b.buf = append(b.buf, x...) +} + +func (b *writeBuf) int16(n int) { + x := make([]byte, 2) + binary.BigEndian.PutUint16(x, uint16(n)) + b.buf = append(b.buf, x...) +} + +func (b *writeBuf) string(s string) { + b.buf = append(append(b.buf, s...), '\000') +} + +func (b *writeBuf) byte(c byte) { + b.buf = append(b.buf, c) +} + +func (b *writeBuf) bytes(v []byte) { + b.buf = append(b.buf, v...) +} + +func (b *writeBuf) wrap() []byte { + p := b.buf[b.pos:] + binary.BigEndian.PutUint32(p, uint32(len(p))) + return b.buf +} + +func (b *writeBuf) next(c byte) { + p := b.buf[b.pos:] + binary.BigEndian.PutUint32(p, uint32(len(p))) + b.pos = len(b.buf) + 1 + b.buf = append(b.buf, c, 0, 0, 0, 0) +} |