CURLOPT_FNMATCH_DATA(3)

NAME
CURLOPT_FNMATCH_DATA - 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
CURLOPT_FNMATCH_FUNCTION(3), CURLOPT_WILDCARDMATCH(3)