curl/lib/easygetopt.c

97 строки
2.5 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ | |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* ___|___/|_| ______|
*
* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#include "strcase.h"
#include "easyoptions.h"
#ifndef CURL_DISABLE_GETOPTIONS
/* Lookups easy options at runtime */
static struct curl_easyoption *lookup(const char *name, CURLoption id)
{
DEBUGASSERT(name || id);
DEBUGASSERT(!Curl_easyopts_check());
if(name || id) {
struct curl_easyoption *o = &Curl_easyopts[0];
do {
if(name) {
if(strcasecompare(o->name, name))
return o;
}
else {
if((o->id == id) && !(o->flags & CURLOT_FLAG_ALIAS))
/* don't match alias options */
return o;
}
o++;
} while(o->name);
}
return NULL;
}
const struct curl_easyoption *curl_easy_option_by_name(const char *name)
{
/* when name is used, the id argument is ignored */
return lookup(name, CURLOPT_LASTENTRY);
}
const struct curl_easyoption *curl_easy_option_by_id(CURLoption id)
{
return lookup(NULL, id);
}
/* Iterates over available options */
const struct curl_easyoption *
curl_easy_option_next(const struct curl_easyoption *prev)
{
if(prev && prev->name) {
prev++;
if(prev->name)
return prev;
}
else if(!prev)
return &Curl_easyopts[0];
return NULL;
}
#else
const struct curl_easyoption *curl_easy_option_by_name(const char *name)
{
(void)name;
return NULL;
}
const struct curl_easyoption *curl_easy_option_by_id (CURLoption id)
{
(void)id;
return NULL;
}
const struct curl_easyoption *
curl_easy_option_next(const struct curl_easyoption *prev)
{
(void)prev;
return NULL;
}
#endif