diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/zlib.n | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -193,12 +193,18 @@ How hard to compress the data. Must be an integer from 0 (uncompressed) to 9 .TP \fB\-limit\fI readaheadLimit\fR . -The maximum number of bytes ahead to read when decompressing. This can be set -to 1 to find the border for multi-stream inflate or mixed data, to ensure it -would handle correctly e. g. some operations on following streams after first -caused to due time. -Otherwise Tcl would try to automatically return previously read extra data -to input stream back. +The maximum number of bytes ahead to read when decompressing. +.RS +.PP +This option has become \fBirrelevant\fR. It was originally introduced +to prevent Tcl from reading beyond the end of a compressed stream in +multi-stream channels to ensure that the data after was left alone for +further reading, at the cost of speed. +.PP +Tcl now automatically returns any bytes it has read beyond the end of +a compressed stream back to the channel, making them appear as unread +to further readers. +.RE .PP Both compressing and decompressing channel transformations add extra configuration options that may be accessed through \fBchan configure\fR. The |