Update networking layer w/ CURL and emscripten impl

2025-11-08 01:50:36 +11:00
parent a17925904d
commit f6874dc55a
4105 changed files with 694617 additions and 179 deletions
@@ -0,0 +1,91 @@
+---
+c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLOPT_DIRLISTONLY
+Section: 3
+Source: libcurl
+See-also:
+  - CURLOPT_CUSTOMREQUEST (3)
+  - CURLOPT_WILDCARDMATCH (3)
+Protocol:
+  - FTP
+  - SFTP
+  - POP3
+Added-in: 7.17.0
+---
+
+# NAME
+
+CURLOPT_DIRLISTONLY - ask for names only in a directory listing
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DIRLISTONLY, long listonly);
+~~~
+
+# DESCRIPTION
+
+For FTP and SFTP based URLs a parameter set to 1 tells the library to list the
+names of files in a directory, rather than performing a full directory listing
+that would normally include file sizes, dates etc.
+
+For POP3 a parameter of 1 tells the library to list the email message or
+messages on the POP3 server. This can be used to change the default behavior
+of libcurl, when combined with a URL that contains a message ID, to perform a
+"scan listing" which can then be used to determine the size of an email.
+
+For FILE, this option has no effect yet as directories are always listed in
+this mode.
+
+Note: For FTP this causes a NLST command to be sent to the FTP server. Beware
+that some FTP servers list only files in their response to NLST; they might
+not include subdirectories and symbolic links.
+
+Setting this option to 1 also implies a directory listing even if the URL
+does not end with a slash, which otherwise is necessary.
+
+Do not use this option if you also use CURLOPT_WILDCARDMATCH(3) as it
+effectively breaks that feature.
+
+# DEFAULT
+
+0, disabled
+
+# %PROTOCOLS%
+
+# EXAMPLE
+
+~~~c
+int main(void)
+{
+  CURL *curl = curl_easy_init();
+  if(curl) {
+    CURLcode res;
+    curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/");
+
+    /* list only */
+    curl_easy_setopt(curl, CURLOPT_DIRLISTONLY, 1L);
+
+    res = curl_easy_perform(curl);
+
+    curl_easy_cleanup(curl);
+  }
+}
+~~~
+
+# HISTORY
+
+This option was known as CURLOPT_FTPLISTONLY up to 7.16.4. POP3 is supported
+since 7.21.5.
+
+# %AVAILABILITY%
+
+# RETURN VALUE
+
+curl_easy_setopt(3) returns a CURLcode indicating success or error.
+
+CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
+libcurl-errors(3).