annotate mupdf-source/thirdparty/curl/docs/examples/httpput.c @ 40:aa33339d6b8a upstream

ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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22 /* <DESC>
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23 * HTTP PUT with easy interface and read callback
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24 * </DESC>
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25 */
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26 #include <stdio.h>
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27 #include <fcntl.h>
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28 #include <sys/stat.h>
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29 #include <curl/curl.h>
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31 /*
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32 * This example shows a HTTP PUT operation. PUTs a file given as a command
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33 * line argument to the URL also given on the command line.
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34 *
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35 * This example also uses its own read callback.
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36 *
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37 * Here's an article on how to setup a PUT handler for Apache:
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38 * http://www.apacheweek.com/features/put
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39 */
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40
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41 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
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42 {
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43 size_t retcode;
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44 curl_off_t nread;
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45
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46 /* in real-world cases, this would probably get this data differently
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47 as this fread() stuff is exactly what the library already would do
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48 by default internally */
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49 retcode = fread(ptr, size, nmemb, stream);
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50
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51 nread = (curl_off_t)retcode;
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52
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53 fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T
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54 " bytes from file\n", nread);
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55
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56 return retcode;
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57 }
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58
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59 int main(int argc, char **argv)
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60 {
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61 CURL *curl;
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62 CURLcode res;
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63 FILE * hd_src;
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64 struct stat file_info;
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65
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66 char *file;
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67 char *url;
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68
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69 if(argc < 3)
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70 return 1;
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71
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72 file = argv[1];
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73 url = argv[2];
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74
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75 /* get the file size of the local file */
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76 stat(file, &file_info);
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78 /* get a FILE * of the same file, could also be made with
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79 fdopen() from the previous descriptor, but hey this is just
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80 an example! */
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81 hd_src = fopen(file, "rb");
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82
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83 /* In windows, this will init the winsock stuff */
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84 curl_global_init(CURL_GLOBAL_ALL);
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85
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86 /* get a curl handle */
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87 curl = curl_easy_init();
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88 if(curl) {
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89 /* we want to use our own read function */
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90 curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
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91
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92 /* enable uploading */
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93 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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94
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95 /* HTTP PUT please */
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96 curl_easy_setopt(curl, CURLOPT_PUT, 1L);
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97
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98 /* specify target URL, and note that this URL should include a file
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99 name, not only a directory */
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100 curl_easy_setopt(curl, CURLOPT_URL, url);
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101
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102 /* now specify which file to upload */
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103 curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
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104
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105 /* provide the size of the upload, we specicially typecast the value
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106 to curl_off_t since we must be sure to use the correct data size */
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107 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
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108 (curl_off_t)file_info.st_size);
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109
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110 /* Now run off and do what you've been told! */
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111 res = curl_easy_perform(curl);
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112 /* Check for errors */
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113 if(res != CURLE_OK)
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114 fprintf(stderr, "curl_easy_perform() failed: %s\n",
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115 curl_easy_strerror(res));
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116
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117 /* always cleanup */
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118 curl_easy_cleanup(curl);
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119 }
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120 fclose(hd_src); /* close the local file */
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121
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122 curl_global_cleanup();
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123 return 0;
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124 }