Added progress callback info

This commit is contained in:
Daniel Stenberg 2000-06-08 15:13:41 +00:00
parent aedfcaa168
commit dbc12876ab
1 changed files with 18 additions and 0 deletions

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@ -26,6 +26,7 @@ is the return code from the
.I "curl_easy_init" .I "curl_easy_init"
call. call.
.SH OPTIONS .SH OPTIONS
These options are in a bit of random order, but you'll figure it out!
.TP 0.8i .TP 0.8i
.B CURLOPT_FILE .B CURLOPT_FILE
Data pointer to pass instead of FILE * to the file write function. Note that Data pointer to pass instead of FILE * to the file write function. Note that
@ -302,6 +303,23 @@ Pass a pointer to a zero terminated string as parameter. It will be used to
report information after a successful request. This string may contain report information after a successful request. This string may contain
variables that will be substituted by their contents when output. Described variables that will be substituted by their contents when output. Described
elsewhere. elsewhere.
.TP
.B CURLOPT_PROGRESSFUNCTION
Function pointer that should match the
.BI curl_progress_callback
prototype found in
.I <curl/curl.h>
This function gets called by libcurl instead of its internal
equivalent. Unknown/unused argument values will be set to zero (like if you
only download data, the upload size will remain 0). Returning a non-zero value
from this callback will cause libcurl to abort the transfer and return
CURLE_ABORTED_BY_CALLBACK.
.TP
.B CURLOPT_PROGRESSDATA
Pass a pointer that will be untouched by libcurl and passed as the first
argument in the progress callback set with
.I CURLOPT_PROGRESSFUNCTION
.
.PP .PP
.SH RETURN VALUE .SH RETURN VALUE
0 means the option was set properly, non-zero means an error as 0 means the option was set properly, non-zero means an error as