CURLOPT_FNMATCH_DATA - Man Page
pointer passed to the fnmatch callback
Synopsis
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FNMATCH_DATA,
void *pointer);Description
Pass a pointer that is untouched by libcurl and passed as the ptr argument to the CURLOPT_FNMATCH_FUNCTION(3).
Default
NULL
Protocols
This functionality affects ftp only
Example
extern int string_match(const char *s1, const char *s2);
struct local_stuff {
void *custom;
};
static int my_fnmatch(void *clientp,
const char *pattern, const char *string)
{
struct local_stuff *my = clientp;
printf("my ptr: %p\n", my->custom);
if(string_match(pattern, string))
return CURL_FNMATCHFUNC_MATCH;
else
return CURL_FNMATCHFUNC_NOMATCH;
}
int main(void)
{
struct local_stuff local_data;
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "ftp://ftp.example.com/file*");
curl_easy_setopt(curl, CURLOPT_WILDCARDMATCH, 1L);
curl_easy_setopt(curl, CURLOPT_FNMATCH_FUNCTION, my_fnmatch);
curl_easy_setopt(curl, CURLOPT_FNMATCH_DATA, &local_data);
curl_easy_perform(curl);
}
}Availability
Added in curl 7.21.0
Return Value
curl_easy_setopt(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3).
See Also
Referenced By
curl_easy_setopt(3), CURLOPT_FNMATCH_FUNCTION(3), libcurl-symbols(3).
2025-10-13 libcurl