diff options
Diffstat (limited to 'docs/libcurl/opts/CURLOPT_READFUNCTION.3')
| -rw-r--r-- | docs/libcurl/opts/CURLOPT_READFUNCTION.3 | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/docs/libcurl/opts/CURLOPT_READFUNCTION.3 b/docs/libcurl/opts/CURLOPT_READFUNCTION.3 index 096312d28..0f2fb359d 100644 --- a/docs/libcurl/opts/CURLOPT_READFUNCTION.3 +++ b/docs/libcurl/opts/CURLOPT_READFUNCTION.3 @@ -26,7 +26,7 @@ CURLOPT_READFUNCTION \- read callback for data uploads .SH SYNOPSIS #include <curl/curl.h> -size_t read_callback(char *buffer, size_t size, size_t nitems, void *instream); +size_t read_callback(char *buffer, size_t size, size_t nitems, void *userdata); CURLcode curl_easy_setopt(CURL *handle, CURLOPT_READFUNCTION, read_callback); @@ -39,9 +39,11 @@ the server. The data area pointed at by the pointer \fIbuffer\fP should be filled up with at most \fIsize\fP multiplied with \fInitems\fP number of bytes by your function. -Your function must then return the actual number of bytes that it stored in -that memory area. Returning 0 will signal end-of-file to the library and cause -it to stop the current transfer. +Set the \fIuserdata\fP argument with the \fICURLOPT_READDATA(3)\fP option. + +Your function must return the actual number of bytes that it stored in the data +area pointed at by the pointer \fIbuffer\fP. 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 said you will upload N bytes and you |