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---
c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
SPDX-License-Identifier: curl
Title: CURLOPT_FNMATCH_DATA
Section: 3
Source: libcurl
See-also:
- CURLOPT_FNMATCH_FUNCTION (3)
- CURLOPT_WILDCARDMATCH (3)
Protocol:
- FTP
Added-in: 7.21.0
---
# NAME
CURLOPT_FNMATCH_DATA - pointer passed to the fnmatch callback
# SYNOPSIS
~~~c
#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%
# EXAMPLE
~~~c
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%
# 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).
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