diff options
Diffstat (limited to 'docs/libcurl')
| -rw-r--r-- | docs/libcurl/curl_easy_setopt.3 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3 index 94b5626d0..67b44496d 100644 --- a/docs/libcurl/curl_easy_setopt.3 +++ b/docs/libcurl/curl_easy_setopt.3 @@ -119,6 +119,15 @@ filled with at most \fIsize\fP multiplied with \fInmemb\fP number of bytes. Your function must return the actual number of bytes that you stored in that memory area. Returning 0 will signal end-of-file to the library and cause it to stop the current transfer. + +If you stop the current transfer by returning 0 "pre-maturely" (i.e before the +server expected it, like when you've told you will upload N bytes and you +upload less than N bytes), you may experience that the server "hangs" waiting +for the rest of the data that won't come. + +In libcurl 7.12.1 and later, the read callback may return +\fICURL_READFUNC_ABORT\fP to stop the current operation at once, with a +\fICURLE_ABORTED_BY_CALLBACK\fP error code from the transfer. .IP CURLOPT_READDATA Data pointer to pass to the file read function. Note that if you specify the \fICURLOPT_READFUNCTION\fP, this is the pointer you'll get as input. If you |