CURLOPT_CHUNK_DATA - pointer passed to the FTP chunk callbacks
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_DATA, void *pointer);
CURLOPT_CHUNK_DATA(3) curl_easy_setopt options CURLOPT_CHUNK_DATA(3) NAME CURLOPT_CHUNK_DATA - pointer passed to the FTP chunk callbacks SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CHUNK_DATA, void *pointer); DESCRIPTION Pass a pointer that will be untouched by libcurl and passed as the ptr argument to the CURLOPT_CHUNK_BGN_FUNCTION(3) and CUR- LOPT_CHUNK_END_FUNCTION(3). DEFAULT NULL PROTOCOLS FTP EXAMPLE static long file_is_coming(struct curl_fileinfo *finfo, struct callback_data *data, int remains) { printf("%3d %40s %10luB ", remains, finfo->filename, (unsigned long)finfo->size); switch(finfo->filetype) { case CURLFILETYPE_DIRECTORY: printf(" DIR\n"); break; case CURLFILETYPE_FILE: printf("FILE "); break; default: printf("OTHER\n"); break; } if(finfo->filetype == CURLFILETYPE_FILE) { /* do not transfer files >= 50B */ if(finfo->size > 50) { printf("SKIPPED\n"); return CURL_CHUNK_BGN_FUNC_SKIP; } data->output = fopen(finfo->filename, "wb"); if(!data->output) { return CURL_CHUNK_BGN_FUNC_FAIL; } } return CURL_CHUNK_BGN_FUNC_OK; } int main() { /* data for callback */ struct callback_data callback_info; /* callback is called before download of concrete file started */ curl_easy_setopt(curl, CURLOPT_CHUNK_BGN_FUNCTION, file_is_coming); curl_easy_setopt(curl, CURLOPT_CHUNK_DATA, &callback_info); } AVAILABILITY Added in 7.21.0 RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. ATTRIBUTES See attributes(7) for descriptions of the following attributes: +---------------+------------------+ |ATTRIBUTE TYPE | ATTRIBUTE VALUE | +---------------+------------------+ |Availability | web/curl | +---------------+------------------+ |Stability | Uncommitted | +---------------+------------------+ SEE ALSO CURLOPT_CHUNK_BGN_FUNCTION(3), CURLOPT_WILDCARDMATCH(3), NOTES Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source- code-downloads.html. This software was built from source available at https://github.com/oracle/solaris-userland. The original community source was downloaded from https://curl.se/down- load/curl-7.83.1.tar.bz2. Further information about this software can be found on the open source community website at http://curl.haxx.se/. libcurl 7.83.1 November 26, 2021 CURLOPT_CHUNK_DATA(3)