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Some CURLOPT constants defined in the curl public headers were initially enums (= ints), or macros with bare numeric values. Recent curl releases upgraded them to `long` constants, to make them pass correctly to `curl_easy_setop()` by default, i.e. without requiring a `(long)` cast. This patch drops such casts from the examples embedded in the docs. At the same time it documents which curl release made them `long` types, to keep them useful when working with previous libcurl versions. Also: - drop a `(long)` cast that was never necessary. - CURLOPT_ALTSVC_CTRL.md: bump local copy of macros to long. - test1119: make it ignore symbols ending with an underscore, to skip wildcard, e.g. `**CURLAUTH_***`. Closes #18130
92 lines
2.2 KiB
Markdown
92 lines
2.2 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_FTP_FILEMETHOD
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Section: 3
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Source: libcurl
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Protocol:
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- FTP
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See-also:
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- CURLOPT_DIRLISTONLY (3)
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- CURLOPT_FTP_SKIP_PASV_IP (3)
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Added-in: 7.15.1
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---
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# NAME
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CURLOPT_FTP_FILEMETHOD - select directory traversing method for FTP
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_FILEMETHOD,
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long method);
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~~~
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# DESCRIPTION
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Pass a long telling libcurl which *method* to use to reach a file on a
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FTP(S) server.
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This option exists because some server implementations are not compliant to
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what the standards say should work.
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The argument should be one of the following alternatives:
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## CURLFTPMETHOD_MULTICWD
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libcurl does a single CWD operation for each path part in the given URL. For
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deep hierarchies this means many commands. This is how RFC 1738 says it should
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be done. This is the default but the slowest behavior.
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## CURLFTPMETHOD_NOCWD
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libcurl makes no CWD at all. libcurl does SIZE, RETR, STOR etc and gives a
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full path to the server for all these commands. This is the fastest behavior
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since it skips having to change directories.
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## CURLFTPMETHOD_SINGLECWD
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libcurl does one CWD with the full target directory and then operates on the
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file &"normally" (like in the multicwd case). This is somewhat more standards
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compliant than 'nocwd' but without the full penalty of 'multicwd'.
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# DEFAULT
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CURLFTPMETHOD_MULTICWD
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# %PROTOCOLS%
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/1/2/3/4/new.txt");
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curl_easy_setopt(curl, CURLOPT_FTP_FILEMETHOD, CURLFTPMETHOD_SINGLECWD);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# HISTORY
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**CURLFTPMETHOD_*** enums became `long` types in 8.16.0, prior to this version
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a `long` cast was necessary when passed to curl_easy_setopt(3).
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# %AVAILABILITY%
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# RETURN VALUE
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curl_easy_setopt(3) returns a CURLcode indicating success or error.
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CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
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libcurl-errors(3).
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