1curl_formfree(3) libcurl curl_formfree(3)
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6 curl_formfree - free a previously build multipart form post chain
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9 #include <curl/curl.h>
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11 void curl_formfree(struct curl_httppost *form);
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14 This function is deprecated. Do not use. See curl_mime_init(3) instead!
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16 curl_formfree() is used to clean up data previously built/appended with
17 curl_formadd(3). This must be called when the data has been used, which
18 typically means after curl_easy_perform(3) has been called.
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20 The pointer to free is the same pointer you passed to the CURLOPT_HTTP‐
21 POST(3) option, which is the firstitem pointer from the curl_formadd(3)
22 invoke(s).
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24 form is the pointer as returned from a previous call to curl_formadd(3)
25 and may be NULL.
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27 Passing in a NULL pointer in form will make this function return imme‐
28 diately with no action.
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31 /* Fill in a file upload field */
32 curl_formadd(&formpost,
33 &lastptr,
34 CURLFORM_COPYNAME, "file",
35 CURLFORM_FILE, "nice-image.jpg",
36 CURLFORM_END);
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38 curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
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40 curl_easy_perform(curl);
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42 /* then cleanup the formpost chain */
43 curl_formfree(formpost);
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46 Deprecated in 7.56.0.
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49 None
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52 curl_formadd(3), curl_mime_init(3), curl_mime_free(3)
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56libcurl 8.2.1 April 26, 2023 curl_formfree(3)