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XFERINFOFUNCTION: support CURL_PROGRESSFUNC_CONTINUE

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(also for PROGRESSFUNCTION)

By returning this value from the callback, the internal progress
function call is still called afterward.

Closes #4599
This commit is contained in:
John Schroeder 2019-11-26 09:13:11 +01:00 • committed by Daniel Stenberg
parent 9b879160df
commit 7cf18b05e0
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5 changed files with 27 additions and 11 deletions
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7
docs/libcurl/opts/CURLOPT_PROGRESSFUNCTION.3
View file

@ -60,8 +60,11 @@ Unknown/unused argument values passed to the callback will be set to zero
the callback will be called one or more times first, before it knows the data
sizes so a program must be made to handle that.
Returning a non-zero value from this callback will cause libcurl to abort the
transfer and return \fICURLE_ABORTED_BY_CALLBACK\fP.
If your callback function returns CURL_PROGRESSFUNC_CONTINUE it will cause
libcurl to continue executing the default progress function.
Returning any other non-zero value from this callback will cause libcurl to
abort the transfer and return \fICURLE_ABORTED_BY_CALLBACK\fP.
If you transfer data with the multi interface, this function will not be
called during periods of idleness unless you call the appropriate libcurl

7
docs/libcurl/opts/CURLOPT_XFERINFOFUNCTION.3
View file

@ -57,8 +57,11 @@ Unknown/unused argument values passed to the callback will be set to zero
the callback will be called one or more times first, before it knows the data
sizes so a program must be made to handle that.
Returning a non-zero value from this callback will cause libcurl to abort the
transfer and return \fICURLE_ABORTED_BY_CALLBACK\fP.
If your callback function returns CURL_PROGRESSFUNC_CONTINUE it will cause
libcurl to continue executing the default progress function.
Returning any other non-zero value from this callback will cause libcurl to
abort the transfer and return \fICURLE_ABORTED_BY_CALLBACK\fP.
If you transfer data with the multi interface, this function will not be
called during periods of idleness unless you call the appropriate libcurl

1
docs/libcurl/symbols-in-versions
View file

@ -869,6 +869,7 @@ CURL_POLL_INOUT 7.14.0
CURL_POLL_NONE 7.14.0
CURL_POLL_OUT 7.14.0
CURL_POLL_REMOVE 7.14.0
CURL_PROGRESSFUNC_CONTINUE 7.68.0
CURL_PROGRESS_BAR 7.1.1 - 7.4.1
CURL_PROGRESS_STATS 7.1.1 - 7.4.1
CURL_PUSH_DENY 7.44.0