diff options
Diffstat (limited to 'subversion/include/svn_delta.h')
| -rw-r--r-- | subversion/include/svn_delta.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/subversion/include/svn_delta.h b/subversion/include/svn_delta.h index 7df7f3f..d949ced 100644 --- a/subversion/include/svn_delta.h +++ b/subversion/include/svn_delta.h @@ -249,6 +249,7 @@ svn_txdelta_compose_windows(const svn_txdelta_window_t *window_A, * * @since New in 1.4 * + * @since Since 1.9, @a tbuf may be NULL if @a *tlen is 0. */ void svn_txdelta_apply_instructions(svn_txdelta_window_t *window, @@ -545,10 +546,26 @@ svn_txdelta_to_svndiff(svn_stream_t *output, /** Return a writable generic stream which will parse svndiff-format * data into a text delta, invoking @a handler with @a handler_baton - * whenever a new window is ready. If @a error_on_early_close is @c - * TRUE, attempting to close this stream before it has handled the entire - * svndiff data set will result in #SVN_ERR_SVNDIFF_UNEXPECTED_END, - * else this error condition will be ignored. + * whenever a new window is ready. + * + * When the caller closes this stream, this will signal completion to + * the window handler by invoking @a handler once more, passing zero for + * the @c window argument. + * + * If @a error_on_early_close is @c TRUE, then attempt to avoid + * signaling completion to the window handler if the delta was + * incomplete. Specifically, attempting to close the stream will be + * successful only if the data written to the stream consisted of one or + * more complete windows of svndiff data and no extra bytes. Otherwise, + * closing the stream will not signal completion to the window handler, + * and will return a #SVN_ERR_SVNDIFF_UNEXPECTED_END error. Note that if + * no data at all was written, the delta is considered incomplete. + * + * If @a error_on_early_close is @c FALSE, closing the stream will + * signal completion to the window handler, regardless of how much data + * was written, and discard any pending incomplete data. + * + * Allocate the stream in @a pool. */ svn_stream_t * svn_txdelta_parse_svndiff(svn_txdelta_window_handler_t handler, |