source: UsbWattMeter/trunk/curl-7.47.1/lib/formdata.h

Last change on this file was 167, checked in by coas-nagasima, 6 years ago

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1#ifndef HEADER_CURL_FORMDATA_H
2#define HEADER_CURL_FORMDATA_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.haxx.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ***************************************************************************/
24
25enum formtype {
26 FORM_DATA, /* form metadata (convert to network encoding if necessary) */
27 FORM_CONTENT, /* form content (never convert) */
28 FORM_CALLBACK, /* 'line' points to the custom pointer we pass to the callback
29 */
30 FORM_FILE /* 'line' points to a file name we should read from
31 to create the form data (never convert) */
32};
33
34/* plain and simple linked list with lines to send */
35struct FormData {
36 struct FormData *next;
37 enum formtype type;
38 char *line;
39 size_t length;
40};
41
42struct Form {
43 struct FormData *data; /* current form line to send */
44 size_t sent; /* number of bytes of the current line that has
45 already been sent in a previous invoke */
46 FILE *fp; /* file to read from */
47 curl_read_callback fread_func; /* fread callback pointer */
48};
49
50/* used by FormAdd for temporary storage */
51typedef struct FormInfo {
52 char *name;
53 bool name_alloc;
54 size_t namelength;
55 char *value;
56 bool value_alloc;
57 curl_off_t contentslength;
58 char *contenttype;
59 bool contenttype_alloc;
60 long flags;
61 char *buffer; /* pointer to existing buffer used for file upload */
62 size_t bufferlength;
63 char *showfilename; /* The file name to show. If not set, the actual
64 file name will be used */
65 bool showfilename_alloc;
66 char *userp; /* pointer for the read callback */
67 struct curl_slist* contentheader;
68 struct FormInfo *more;
69} FormInfo;
70
71int Curl_FormInit(struct Form *form, struct FormData *formdata );
72
73CURLcode Curl_getformdata(struct SessionHandle *data,
74 struct FormData **,
75 struct curl_httppost *post,
76 const char *custom_contenttype,
77 curl_off_t *size);
78
79/* fread() emulation */
80size_t Curl_FormReader(char *buffer,
81 size_t size,
82 size_t nitems,
83 FILE *mydata);
84
85/*
86 * Curl_formpostheader() returns the first line of the formpost, the
87 * request-header part (which is not part of the request-body like the rest of
88 * the post).
89 */
90char *Curl_formpostheader(void *formp, size_t *len);
91
92char *Curl_FormBoundary(void);
93
94void Curl_formclean(struct FormData **);
95
96CURLcode Curl_formconvert(struct SessionHandle *, struct FormData *);
97
98#endif /* HEADER_CURL_FORMDATA_H */
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