Daniel Stenberg e694c8284a

docs/libcurl/opts: clarify the return values

Expand a little.

- mention the type name of the return code
- avoid stating which exact return codes that might be returned, as that
  varies over time, builds and conditions
- avoid stating some always return OK
- refer to the manpage documenting all the return codes

Closes #15900

2025-01-02 17:13:33 +01:00

1.6 KiB

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SPDX-License-Identifier

Title

Section

Source

See-also

Protocol

Added-in

curl

CURLOPT_REQUEST_TARGET

libcurl

CURLOPT_CUSTOMREQUEST (3)

CURLOPT_HTTPGET (3)

CURLOPT_PATH_AS_IS (3)

CURLOPT_URL (3)

HTTP

7.55.0

NAME

CURLOPT_REQUEST_TARGET - alternative target for this request

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_REQUEST_TARGET, string);

DESCRIPTION

Pass a char pointer to string which libcurl uses in the upcoming request instead of the path as extracted from the URL.

libcurl passes on the verbatim string in its request without any filter or other safe guards. That includes white space and control characters.

Using this option multiple times makes the last set string override the previous ones. Set it to NULL to disable its use again.

The application does not have to keep the string around after setting this option.

DEFAULT

NULL

%PROTOCOLS%

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/*");
    curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "OPTIONS");

    /* issue an OPTIONS * request (no leading slash) */
    curl_easy_setopt(curl, CURLOPT_REQUEST_TARGET, "*");

    /* Perform the request */
    curl_easy_perform(curl);
  }
}

%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).

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