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_MIMEPOST

libcurl

CURLOPT_HTTPPOST (3)

CURLOPT_POSTFIELDS (3)

CURLOPT_PUT (3)

curl_mime_init (3)

NAME

CURLOPT_MIMEPOST - send data from mime structure

SYNOPSIS

#include <curl/curl.h>

curl_mime *mime;

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MIMEPOST, mime);

DESCRIPTION

Pass a mime handle previously obtained from curl_mime_init(3).

This setting is supported by the HTTP protocol to post forms and by the SMTP and IMAP protocols to provide the email data to send/upload.

This option is the preferred way of posting an HTTP form, replacing and extending the CURLOPT_HTTPPOST(3) option.

When setting CURLOPT_MIMEPOST(3) to NULL, libcurl resets the request type for HTTP to the default to disable the POST. Typically that would mean it is reset to GET. Instead you should set a desired request method explicitly.

PROTOCOLS

HTTP, SMTP, IMAP.

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    curl_mime *multipart = curl_mime_init(curl);
    if(multipart) {
      curl_mimepart *part = curl_mime_addpart(multipart);
      curl_mime_name(part, "name");
      curl_mime_data(part, "daniel", CURL_ZERO_TERMINATED);
      part = curl_mime_addpart(multipart);
      curl_mime_name(part, "project");
      curl_mime_data(part, "curl", CURL_ZERO_TERMINATED);
      part = curl_mime_addpart(multipart);
      curl_mime_name(part, "logotype-image");
      curl_mime_filedata(part, "curl.png");

      /* Set the form info */
      curl_easy_setopt(curl, CURLOPT_MIMEPOST, multipart);

      curl_easy_perform(curl); /* post away! */
      curl_mime_free(multipart); /* free the post data */
    }
  }
}

AVAILABILITY

Added in 7.56.0

RETURN VALUE

This returns CURLE_OK.

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