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📄 10-at-a-time.c(4.24 KB)
📄 Makefile.example(1.86 KB)
📄 README.md(1.35 KB)
📄 altsvc.c(1.83 KB)
📄 anyauthput.c(4.82 KB)
📄 cacertinmem.c(7.14 KB)
📄 certinfo.c(2.25 KB)
📄 chkspeed.c(6.54 KB)
📄 cookie_interface.c(4.03 KB)
📄 crawler.c(6.53 KB)
📄 curlgtk.c(2.94 KB)
📄 curlx.c(16.41 KB)
📄 debug.c(4.21 KB)
📄 ephiperfifo.c(14.49 KB)
📄 evhiperfifo.c(11.9 KB)
📄 externalsocket.c(4.83 KB)
📄 fileupload.c(2.78 KB)
📄 fopen.c(13.87 KB)
📄 ftp-wildcard.c(4.15 KB)
📄 ftpget.c(2.59 KB)
📄 ftpgetinfo.c(2.86 KB)
📄 ftpgetresp.c(2.51 KB)
📄 ftpsget.c(2.89 KB)
📄 ftpupload.c(4.48 KB)
📄 ftpuploadfrommem.c(3.81 KB)
📄 ftpuploadresume.c(4.24 KB)
📄 getinfo.c(1.62 KB)
📄 getinmemory.c(3.24 KB)
📄 getredirect.c(2.3 KB)
📄 getreferrer.c(1.81 KB)
📄 ghiper.c(12.04 KB)
📄 hiperfifo.c(11.97 KB)
📄 href_extractor.c(2.61 KB)
📄 htmltidy.c(3.88 KB)
📄 htmltitle.cpp(6.23 KB)
📄 http-post.c(1.99 KB)
📄 http2-download.c(6.19 KB)
📄 http2-pushinmemory.c(5.02 KB)
📄 http2-serverpush.c(7.1 KB)
📄 http2-upload.c(8.05 KB)
📄 http3-present.c(1.53 KB)
📄 http3.c(1.81 KB)
📄 httpcustomheader.c(2.27 KB)
📄 httpput-postfields.c(3.36 KB)
📄 httpput.c(3.6 KB)
📄 https.c(2.53 KB)
📄 imap-append.c(3.77 KB)
📄 imap-authzid.c(2.21 KB)
📄 imap-copy.c(2.35 KB)
📄 imap-create.c(2.06 KB)
📄 imap-delete.c(2.06 KB)
📄 imap-examine.c(2.11 KB)
📄 imap-fetch.c(1.95 KB)
📄 imap-list.c(2.08 KB)
📄 imap-lsub.c(2.08 KB)
📄 imap-multi.c(2.29 KB)
📄 imap-noop.c(2 KB)
📄 imap-search.c(2.35 KB)
📄 imap-ssl.c(3.25 KB)
📄 imap-store.c(2.69 KB)
📄 imap-tls.c(3.5 KB)
📄 makefile.dj(1.58 KB)
📄 multi-app.c(3.36 KB)
📄 multi-debugcallback.c(4.21 KB)
📄 multi-double.c(2.62 KB)
📄 multi-event.c(6.01 KB)
📄 multi-formadd.c(3.23 KB)
📄 multi-legacy.c(5.13 KB)
📄 multi-post.c(3.04 KB)
📄 multi-single.c(2.49 KB)
📄 multi-uv.c(5.97 KB)
📄 multithread.c(2.59 KB)
📄 opensslthreadlock.c(2.69 KB)
📄 parseurl.c(2.13 KB)
📄 persistent.c(2.15 KB)
📄 pop3-authzid.c(2.18 KB)
📄 pop3-dele.c(2.15 KB)
📄 pop3-list.c(1.93 KB)
📄 pop3-multi.c(2.29 KB)
📄 pop3-noop.c(2.11 KB)
📄 pop3-retr.c(1.93 KB)
📄 pop3-ssl.c(3.22 KB)
📄 pop3-stat.c(2.13 KB)
📄 pop3-tls.c(3.47 KB)
📄 pop3-top.c(2.09 KB)
📄 pop3-uidl.c(2.03 KB)
📄 post-callback.c(5.15 KB)
📄 postinmemory.c(3.36 KB)
📄 postit2-formadd.c(3.51 KB)
📄 postit2.c(3.41 KB)
📄 progressfunc.c(4.8 KB)
📄 resolve.c(1.92 KB)
📄 rtsp.c(9.02 KB)
📄 sampleconv.c(3.25 KB)
📄 sendrecv.c(4.52 KB)
📄 sepheaders.c(2.67 KB)
📄 sessioninfo.c(3.06 KB)
📄 sftpget.c(3.25 KB)
📄 sftpuploadresume.c(3.82 KB)
📄 shared-connection-cache.c(2.51 KB)
📄 simple.c(1.68 KB)
📄 simplepost.c(1.83 KB)
📄 simplessl.c(4.56 KB)
📄 smooth-gtk-thread.c(6.01 KB)
📄 smtp-authzid.c(5.33 KB)
📄 smtp-expn.c(2.55 KB)
📄 smtp-mail.c(4.86 KB)
📄 smtp-mime.c(5.47 KB)
📄 smtp-multi.c(4.54 KB)
📄 smtp-ssl.c(5.75 KB)
📄 smtp-tls.c(6.21 KB)
📄 smtp-vrfy.c(2.62 KB)
📄 sslbackend.c(2.29 KB)
📄 synctime.c(12.6 KB)
📄 threaded-ssl.c(4.34 KB)
📄 url2file.c(2.43 KB)
📄 urlapi.c(1.98 KB)
📄 usercertinmem.c(8.87 KB)
📄 xmlstream.c(4.94 KB)

Editing: ftp-wildcard.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/
/* <DESC>
 * FTP wildcard pattern matching
 * </DESC>
 */
#include <curl/curl.h>
#include <stdio.h>

struct callback_data {
  FILE *output;
};

static long file_is_coming(struct curl_fileinfo *finfo,
                           struct callback_data *data,
                           int remains);

static long file_is_downloaded(struct callback_data *data);

static size_t write_it(char *buff, size_t size, size_t nmemb,
                       void *cb_data);

int main(int argc, char **argv)
{
  /* curl easy handle */
  CURL *handle;

/* help data */
  struct callback_data data = { 0 };

/* global initialization */
  int rc = curl_global_init(CURL_GLOBAL_ALL);
  if(rc)
    return rc;

/* initialization of easy handle */
  handle = curl_easy_init();
  if(!handle) {
    curl_global_cleanup();
    return CURLE_OUT_OF_MEMORY;
  }

/* turn on wildcard matching */
  curl_easy_setopt(handle, CURLOPT_WILDCARDMATCH, 1L);

/* callback is called before download of concrete file started */
  curl_easy_setopt(handle, CURLOPT_CHUNK_BGN_FUNCTION, file_is_coming);

/* callback is called after data from the file have been transferred */
  curl_easy_setopt(handle, CURLOPT_CHUNK_END_FUNCTION, file_is_downloaded);

/* this callback will write contents into files */
  curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_it);

/* put transfer data into callbacks */
  curl_easy_setopt(handle, CURLOPT_CHUNK_DATA, &data);
  curl_easy_setopt(handle, CURLOPT_WRITEDATA, &data);

/* curl_easy_setopt(handle, CURLOPT_VERBOSE, 1L); */

/* set an URL containing wildcard pattern (only in the last part) */
  if(argc == 2)
    curl_easy_setopt(handle, CURLOPT_URL, argv[1]);
  else
    curl_easy_setopt(handle, CURLOPT_URL, "ftp://example.com/test/*");

/* and start transfer! */
  rc = curl_easy_perform(handle);

curl_easy_cleanup(handle);
  curl_global_cleanup();
  return rc;
}

static long file_is_coming(struct curl_fileinfo *finfo,
                           struct callback_data *data,
                           int remains)
{
  printf("%3d %40s %10luB ", remains, finfo->filename,
         (unsigned long)finfo->size);

switch(finfo->filetype) {
  case CURLFILETYPE_DIRECTORY:
    printf(" DIR\n");
    break;
  case CURLFILETYPE_FILE:
    printf("FILE ");
    break;
  default:
    printf("OTHER\n");
    break;
  }

if(finfo->filetype == CURLFILETYPE_FILE) {
    /* do not transfer files >= 50B */
    if(finfo->size > 50) {
      printf("SKIPPED\n");
      return CURL_CHUNK_BGN_FUNC_SKIP;
    }

data->output = fopen(finfo->filename, "wb");
    if(!data->output) {
      return CURL_CHUNK_BGN_FUNC_FAIL;
    }
  }

return CURL_CHUNK_BGN_FUNC_OK;
}

static long file_is_downloaded(struct callback_data *data)
{
  if(data->output) {
    printf("DOWNLOADED\n");
    fclose(data->output);
    data->output = 0x0;
  }
  return CURL_CHUNK_END_FUNC_OK;
}

static size_t write_it(char *buff, size_t size, size_t nmemb,
                       void *cb_data)
{
  struct callback_data *data = cb_data;
  size_t written = 0;
  if(data->output)
    written = fwrite(buff, size, nmemb, data->output);
  else
    /* listing output */
    written = fwrite(buff, size, nmemb, stdout);
  return written;
}

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Editing: ftp-wildcard.c

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