89 lines
1.9 KiB
Markdown
89 lines
1.9 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_FNMATCH_FUNCTION
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_DEBUGFUNCTION (3)
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- CURLOPT_FNMATCH_DATA (3)
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- CURLOPT_WILDCARDMATCH (3)
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---
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# NAME
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CURLOPT_FNMATCH_FUNCTION - wildcard match callback
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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int fnmatch_callback(void *ptr,
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const char *pattern,
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const char *string);
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FNMATCH_FUNCTION,
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fnmatch_callback);
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~~~
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# DESCRIPTION
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Pass a pointer to your callback function, which should match the prototype
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shown above.
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This callback is used for wildcard matching.
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Return *CURL_FNMATCHFUNC_MATCH* if pattern matches the string,
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*CURL_FNMATCHFUNC_NOMATCH* if not or *CURL_FNMATCHFUNC_FAIL* if an
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error occurred.
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# DEFAULT
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NULL == an internal function for wildcard matching.
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# PROTOCOLS
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FTP
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# EXAMPLE
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~~~c
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extern int string_match(const char *s1, const char *s2);
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struct local_stuff {
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void *custom;
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};
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static int my_fnmatch(void *clientp,
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const char *pattern, const char *string)
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{
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struct local_stuff *data = clientp;
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printf("my pointer: %p\n", data->custom);
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if(string_match(pattern, string))
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return CURL_FNMATCHFUNC_MATCH;
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else
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return CURL_FNMATCHFUNC_NOMATCH;
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}
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int main(void)
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{
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struct local_stuff local_data;
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://ftp.example.com/file*");
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curl_easy_setopt(curl, CURLOPT_WILDCARDMATCH, 1L);
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curl_easy_setopt(curl, CURLOPT_FNMATCH_FUNCTION, my_fnmatch);
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curl_easy_setopt(curl, CURLOPT_FNMATCH_DATA, &local_data);
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curl_easy_perform(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.21.0
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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