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Man Pages


Manual Reference Pages  -  CURL_FORMGET (3)

NAME

curl_formget - serialize a previously built multipart/formdata HTTP POST chain

CONTENTS

Synopsis
Description
Return Value
Example
Availability

SYNOPSIS


#include <curl/curl.h> 

int curl_formget(struct curl_httppost * form, void *userp, curl_formget_callback append );

DESCRIPTION

curl_formget() is used to serialize data previously built/appended with curl_formadd(3). Accepts a void pointer as second argument named userp which will be passed as the first argument to the curl_formget_callback function.

typedef size_t (*curl_formget_callback)(void *userp, const char *buf, size_t len);

The curl_formget_callback will be executed for each part of the HTTP POST chain. The character buffer passed to the callback must not be freed. The callback should return the buffer length passed to it on success.

If the CURLFORM_STREAM option is used in the formpost, it will prevent curl_formget(3) from working until you’ve performed the actual HTTP request as only then will libcurl get the actual read callback to use!

RETURN VALUE

0 means everything was ok, non-zero means an error occurred

EXAMPLE

size_t print_httppost_callback(void *arg, const char *buf, size_t len) { fwrite(buf, len, 1, stdout); (*(size_t *) arg) += len; return len; }

size_t print_httppost(struct curl_httppost *post) { size_t total_size = 0; if(curl_formget(post, &total_size, print_httppost_callback)) { return (size_t) -1; } return total_size; }

AVAILABILITY

This function was added in libcurl 7.15.5

SEE ALSO

curl_formadd(3)
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libcurl 7.15.5 CURL_FORMGET (3) 20 June 2006

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