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_MAXFILESIZE

libcurl

CURLOPT_MAXFILESIZE_LARGE (3)

CURLOPT_MAX_RECV_SPEED_LARGE (3)

NAME

CURLOPT_MAXFILESIZE - maximum file size allowed to download

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_MAXFILESIZE, long size);

DESCRIPTION

Pass a long as parameter. This specifies the maximum accepted size (in bytes) of a file to download. If the file requested is found larger than this value, the transfer is aborted and CURLE_FILESIZE_EXCEEDED is returned.

The file size is not always known prior to the download start, and for such transfers this option has no effect - even if the file transfer eventually ends up being larger than this given limit.

If you want a limit above 2GB, use CURLOPT_MAXFILESIZE_LARGE(3).

Since 8.4.0, this option also stops ongoing transfers if they reach this threshold.

DEFAULT

None

PROTOCOLS

FTP, HTTP and MQTT

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode ret;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    /* refuse to download if larger than 1000 bytes! */
    curl_easy_setopt(curl, CURLOPT_MAXFILESIZE, 1000L);
    ret = curl_easy_perform(curl);
  }
}

AVAILABILITY

Always

RETURN VALUE

Returns CURLE_OK

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