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Finish the port of the rsync algorithm to C

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This commit is contained in:
Kovid Goyal
2023-07-18 18:45:24 +05:30
parent caa9c27554
commit b5498090df
3 changed files with 229 additions and 10 deletions
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11
tools/rsync/algorithm.go
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@@ -465,16 +465,13 @@ func (self *diff) send_data() error {
func (self *diff) pump_till_op_written() error {
self.written = false
for !self.finished && !self.written {
if err := self.read_at_least_one_operation(); err != nil {
if err := self.read_next(); err != nil {
return err
}
}
if self.finished {
if self.pending_op != nil {
if err := self.send_op(self.pending_op); err != nil {
return err
}
self.pending_op = nil
if err := self.send_pending(); err != nil {
return err
}
return io.EOF
}
@@ -531,7 +528,7 @@ func (self *diff) finish_up() (err error) {
}
// See https://rsync.samba.org/tech_report/node4.html for the design of this algorithm
func (self *diff) read_at_least_one_operation() (err error) {
func (self *diff) read_next() (err error) {
if self.window.sz > 0 {
if ok, err := self.ensure_idx_valid(self.window.pos + self.window.sz); !ok {
if err != nil {