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3rdparty/curl/share/man/man3/CURLOPT_FTP_FILEMETHOD.3 2.84 KB
a86c63ca   Hu Chunming   提交三方库文件
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  .\" **************************************************************************
  .\" *                                  _   _ ____  _
  .\" *  Project                     ___| | | |  _ \| |
  .\" *                             / __| | | | |_) | |
  .\" *                            | (__| |_| |  _ <| |___
  .\" *                             \___|\___/|_| \_\_____|
  .\" *
  .\" * Copyright (C) 1998 - 2017, 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.
  .\" *
  .\" **************************************************************************
  .\"
  .TH CURLOPT_FTP_FILEMETHOD 3 "November 04, 2020" "libcurl 7.77.0" "curl_easy_setopt options"
  
  .SH NAME
  CURLOPT_FTP_FILEMETHOD \- select directory traversing method for FTP
  .SH SYNOPSIS
  .nf
  #include <curl/curl.h>
  
  CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_FILEMETHOD,
                            long method);
  .SH DESCRIPTION
  Pass a long telling libcurl which \fImethod\fP to use to reach a file on a
  FTP(S) server.
  
  This option exists because some server implementations aren't compliant to
  what the standards say should work.
  
  The argument should be one of the following alternatives:
  .IP CURLFTPMETHOD_MULTICWD
  libcurl does a single CWD operation for each path part in the given URL. For
  deep hierarchies this means many commands. This is how RFC1738 says it should
  be done. This is the default but the slowest behavior.
  .IP CURLFTPMETHOD_NOCWD
  libcurl does no CWD at all. libcurl will do SIZE, RETR, STOR etc and give a
  full path to the server for all these commands. This is the fastest behavior.
  .IP CURLFTPMETHOD_SINGLECWD
  libcurl does one CWD with the full target directory and then operates on the
  file \&"normally" (like in the multicwd case). This is somewhat more standards
  compliant than 'nocwd' but without the full penalty of 'multicwd'.
  .SH DEFAULT
  CURLFTPMETHOD_MULTICWD
  .SH PROTOCOLS
  FTP
  .SH EXAMPLE
  .nf
  CURL *curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/1/2/3/4/new.txt");
    curl_easy_setopt(curl, CURLOPT_FTP_FILEMETHOD,
                           CURLFTPMETHOD_SINGLECWD);
  
    ret = curl_easy_perform(curl);
  
    curl_easy_cleanup(curl);
  }
  .fi
  .SH AVAILABILITY
  Added in 7.15.1
  .SH RETURN VALUE
  Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  .SH "SEE ALSO"
  .BR CURLOPT_DIRLISTONLY "(3), " CURLOPT_FTP_SKIP_PASV_IP "(3), "