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67 lines
2.5 KiB
Groff
67 lines
2.5 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at http://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.TH curl_formget 3 "20 June 2006" "libcurl 7.15.5" "libcurl Manual"
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.SH NAME
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curl_formget - serialize a previously built multipart/formdata HTTP POST chain
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.SH SYNOPSIS
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.B #include <curl/curl.h>
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.sp
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.BI "void curl_formget(struct curl_httppost *" form, " void *" arg,
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.BI " curl_formget_callback " append ");"
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.ad
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.SH DESCRIPTION
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curl_formget() is used to serialize data previously built/appended with
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\fIcurl_formadd(3)\fP. Accepts a void pointer as second argument which will be
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passed to the curl_formget_callback function.
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.BI "typedef size_t (*curl_formget_callback)(void *" arg, " const char *" buf,
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.BI " size_t " len ");"
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.nf
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The curl_formget_callback will be executed for each part of the HTTP POST
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chain. The void *arg pointer will be the one passed as second argument to
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curl_formget(). The character buffer passed to it must not be freed. The
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callback should return the buffer length passed to it on success.
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.SH RETURN VALUE
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0 means everything was ok, non-zero means an error occurred
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.SH EXAMPLE
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.nf
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size_t print_httppost_callback(void *arg, const char *buf, size_t len)
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{
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fwrite(buf, len, 1, stdout);
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(*(size_t *) arg) += len;
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return len;
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}
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size_t print_httppost(struct curl_httppost *post)
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{
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size_t total_size = 0;
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if(curl_formget(post, &total_size, print_httppost_callback)) {
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return (size_t) -1;
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}
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return total_size;
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}
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.SH AVAILABILITY
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This function was added in libcurl 7.15.5
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.SH "SEE ALSO"
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.BR curl_formadd "(3) "
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