Annotation of embedaddon/curl/docs/examples/ftpsget.c, revision 1.1
1.1 ! misho 1: /***************************************************************************
! 2: * _ _ ____ _
! 3: * Project ___| | | | _ \| |
! 4: * / __| | | | |_) | |
! 5: * | (__| |_| | _ <| |___
! 6: * \___|\___/|_| \_\_____|
! 7: *
! 8: * Copyright (C) 1998 - 2019, 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: #include <stdio.h>
! 24:
! 25: #include <curl/curl.h>
! 26:
! 27: /* <DESC>
! 28: * Get a single file from an FTPS server.
! 29: * </DESC>
! 30: */
! 31:
! 32: struct FtpFile {
! 33: const char *filename;
! 34: FILE *stream;
! 35: };
! 36:
! 37: static size_t my_fwrite(void *buffer, size_t size, size_t nmemb,
! 38: void *stream)
! 39: {
! 40: struct FtpFile *out = (struct FtpFile *)stream;
! 41: if(!out->stream) {
! 42: /* open file for writing */
! 43: out->stream = fopen(out->filename, "wb");
! 44: if(!out->stream)
! 45: return -1; /* failure, can't open file to write */
! 46: }
! 47: return fwrite(buffer, size, nmemb, out->stream);
! 48: }
! 49:
! 50:
! 51: int main(void)
! 52: {
! 53: CURL *curl;
! 54: CURLcode res;
! 55: struct FtpFile ftpfile = {
! 56: "yourfile.bin", /* name to store the file as if successful */
! 57: NULL
! 58: };
! 59:
! 60: curl_global_init(CURL_GLOBAL_DEFAULT);
! 61:
! 62: curl = curl_easy_init();
! 63: if(curl) {
! 64: /*
! 65: * You better replace the URL with one that works! Note that we use an
! 66: * FTP:// URL with standard explicit FTPS. You can also do FTPS:// URLs if
! 67: * you want to do the rarer kind of transfers: implicit.
! 68: */
! 69: curl_easy_setopt(curl, CURLOPT_URL,
! 70: "ftp://user@server/home/user/file.txt");
! 71: /* Define our callback to get called when there's data to be written */
! 72: curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
! 73: /* Set a pointer to our struct to pass to the callback */
! 74: curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ftpfile);
! 75:
! 76: /* We activate SSL and we require it for both control and data */
! 77: curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
! 78:
! 79: /* Switch on full protocol/debug output */
! 80: curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
! 81:
! 82: res = curl_easy_perform(curl);
! 83:
! 84: /* always cleanup */
! 85: curl_easy_cleanup(curl);
! 86:
! 87: if(CURLE_OK != res) {
! 88: /* we failed */
! 89: fprintf(stderr, "curl told us %d\n", res);
! 90: }
! 91: }
! 92:
! 93: if(ftpfile.stream)
! 94: fclose(ftpfile.stream); /* close the local file */
! 95:
! 96: curl_global_cleanup();
! 97:
! 98: return 0;
! 99: }
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