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comparison mupdf-source/thirdparty/curl/docs/examples/imap-append.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22
23 /* <DESC>
24 * IMAP example showing how to send e-mails
25 * </DESC>
26 */
27
28 #include <stdio.h>
29 #include <string.h>
30 #include <curl/curl.h>
31
32 /* This is a simple example showing how to send mail using libcurl's IMAP
33 * capabilities.
34 *
35 * Note that this example requires libcurl 7.30.0 or above.
36 */
37
38 #define FROM "<sender@example.org>"
39 #define TO "<addressee@example.net>"
40 #define CC "<info@example.org>"
41
42 static const char *payload_text[] = {
43 "Date: Mon, 29 Nov 2010 21:54:29 +1100\r\n",
44 "To: " TO "\r\n",
45 "From: " FROM "(Example User)\r\n",
46 "Cc: " CC "(Another example User)\r\n",
47 "Message-ID: "
48 "<dcd7cb36-11db-487a-9f3a-e652a9458efd@rfcpedant.example.org>\r\n",
49 "Subject: IMAP example message\r\n",
50 "\r\n", /* empty line to divide headers from body, see RFC5322 */
51 "The body of the message starts here.\r\n",
52 "\r\n",
53 "It could be a lot of lines, could be MIME encoded, whatever.\r\n",
54 "Check RFC5322.\r\n",
55 NULL
56 };
57
58 struct upload_status {
59 int lines_read;
60 };
61
62 static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
63 {
64 struct upload_status *upload_ctx = (struct upload_status *)userp;
65 const char *data;
66
67 if((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
68 return 0;
69 }
70
71 data = payload_text[upload_ctx->lines_read];
72
73 if(data) {
74 size_t len = strlen(data);
75 memcpy(ptr, data, len);
76 upload_ctx->lines_read++;
77
78 return len;
79 }
80
81 return 0;
82 }
83
84 int main(void)
85 {
86 CURL *curl;
87 CURLcode res = CURLE_OK;
88
89 curl = curl_easy_init();
90 if(curl) {
91 const char **p;
92 long infilesize;
93 struct upload_status upload_ctx;
94
95 upload_ctx.lines_read = 0;
96
97 /* Set username and password */
98 curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
99 curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
100
101 /* This will create a new message 100. Note that you should perform an
102 * EXAMINE command to obtain the UID of the next message to create and a
103 * SELECT to ensure you are creating the message in the OUTBOX. */
104 curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/100");
105
106 /* In this case, we're using a callback function to specify the data. You
107 * could just use the CURLOPT_READDATA option to specify a FILE pointer to
108 * read from. */
109 curl_easy_setopt(curl, CURLOPT_READFUNCTION, payload_source);
110 curl_easy_setopt(curl, CURLOPT_READDATA, &upload_ctx);
111 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
112
113 infilesize = 0;
114 for(p = payload_text; *p; ++p) {
115 infilesize += (long)strlen(*p);
116 }
117 curl_easy_setopt(curl, CURLOPT_INFILESIZE, infilesize);
118
119 /* Perform the append */
120 res = curl_easy_perform(curl);
121
122 /* Check for errors */
123 if(res != CURLE_OK)
124 fprintf(stderr, "curl_easy_perform() failed: %s\n",
125 curl_easy_strerror(res));
126
127 /* Always cleanup */
128 curl_easy_cleanup(curl);
129 }
130
131 return (int)res;
132 }