mirror of https://github.com/curl/curl.git synced 2024-12-09 06:30:06 +08:00

Daniel Stenberg eefcc1bda4

docs: introduce "curldown" for libcurl man page format

curldown is this new file format for libcurl man pages. It is markdown
inspired with differences:

- Each file has a set of leading headers with meta-data
- Supports a small subset of markdown
- Uses .md file extensions for editors/IDE/GitHub to treat them nicely
- Generates man pages very similar to the previous ones
- Generates man pages that still convert nicely to HTML on the website
- Detects and highlights mentions of curl symbols automatically (when
  their man page section is specified)

tools:

- cd2nroff: converts from curldown to nroff man page
- nroff2cd: convert an (old) nroff man page to curldown
- cdall: convert many nroff pages to curldown versions
- cd2cd: verifies and updates a curldown to latest curldown

This setup generates .3 versions of all the curldown versions at build time.

CI:

Since the documentation is now technically markdown in the eyes of many
things, the CI runs many more tests and checks on this documentation,
including proselint, link checkers and tests that make sure we capitalize the
first letter after a period...

Closes #12730

2024-01-23 00:29:02 +01:00

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SPDX-License-Identifier

Title

Section

Source

See-also

curl

CURLOPT_SHARE

libcurl

CURLOPT_COOKIE (3)

CURLSHOPT_SHARE (3)

NAME

CURLOPT_SHARE - share handle to use

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SHARE, CURLSH *share);

DESCRIPTION

Pass a share handle as a parameter. The share handle must have been created by a previous call to curl_share_init(3). Setting this option, makes this curl handle use the data from the shared handle instead of keeping the data to itself. This enables several curl handles to share data. If the curl handles are used simultaneously in multiple threads, you MUST use the locking methods in the share handle. See curl_share_setopt(3) for details.

If you add a share that is set to share cookies, your easy handle uses that cookie cache and get the cookie engine enabled. If you stop sharing an object that was using cookies (or change to another object that does not share cookies), the easy handle gets its cookie engine disabled.

Data that the share object is not set to share is dealt with the usual way, as if no share was used.

Set this option to NULL again to stop using that share object.

DEFAULT

NULL

PROTOCOLS

All

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  CURL *curl2 = curl_easy_init(); /* a second handle */
  if(curl) {
    CURLcode res;
    CURLSH *shobject = curl_share_init();
    curl_share_setopt(shobject, CURLSHOPT_SHARE, CURL_LOCK_DATA_COOKIE);

    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");
    curl_easy_setopt(curl, CURLOPT_SHARE, shobject);
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);

    /* the second handle shares cookies from the first */
    curl_easy_setopt(curl2, CURLOPT_URL, "https://example.com/second");
    curl_easy_setopt(curl2, CURLOPT_COOKIEFILE, "");
    curl_easy_setopt(curl2, CURLOPT_SHARE, shobject);
    res = curl_easy_perform(curl2);
    curl_easy_cleanup(curl2);

    curl_share_cleanup(shobject);
  }
}

AVAILABILITY

Always

RETURN VALUE

Returns CURLE_OK

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