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CURLOPT_FNMATCH_DATA(3)	   Library Functions Manual    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 argu-
       ment 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)

libcurl				  2025-06-03	       CURLOPT_FNMATCH_DATA(3)

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