1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ | |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * ___|___/|_| ______|
7 *
8 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22
23 #include "curl_setup.h"
24 #include "strcase.h"
25 #include "easyoptions.h"
26
27 #ifndef CURL_DISABLE_GETOPTIONS
28
29 /* Lookups easy options at runtime */
lookup(const char * name,CURLoption id)30 static struct curl_easyoption *lookup(const char *name, CURLoption id)
31 {
32 DEBUGASSERT(name || id);
33 DEBUGASSERT(!Curl_easyopts_check());
34 if(name || id) {
35 struct curl_easyoption *o = &Curl_easyopts[0];
36 do {
37 if(name) {
38 if(strcasecompare(o->name, name))
39 return o;
40 }
41 else {
42 if((o->id == id) && !(o->flags & CURLOT_FLAG_ALIAS))
43 /* don't match alias options */
44 return o;
45 }
46 o++;
47 } while(o->name);
48 }
49 return NULL;
50 }
51
curl_easy_option_by_name(const char * name)52 const struct curl_easyoption *curl_easy_option_by_name(const char *name)
53 {
54 /* when name is used, the id argument is ignored */
55 return lookup(name, CURLOPT_LASTENTRY);
56 }
57
curl_easy_option_by_id(CURLoption id)58 const struct curl_easyoption *curl_easy_option_by_id(CURLoption id)
59 {
60 return lookup(NULL, id);
61 }
62
63 /* Iterates over available options */
64 const struct curl_easyoption *
curl_easy_option_next(const struct curl_easyoption * prev)65 curl_easy_option_next(const struct curl_easyoption *prev)
66 {
67 if(prev && prev->name) {
68 prev++;
69 if(prev->name)
70 return prev;
71 }
72 else if(!prev)
73 return &Curl_easyopts[0];
74 return NULL;
75 }
76
77 #else
curl_easy_option_by_name(const char * name)78 const struct curl_easyoption *curl_easy_option_by_name(const char *name)
79 {
80 (void)name;
81 return NULL;
82 }
83
curl_easy_option_by_id(CURLoption id)84 const struct curl_easyoption *curl_easy_option_by_id (CURLoption id)
85 {
86 (void)id;
87 return NULL;
88 }
89
90 const struct curl_easyoption *
curl_easy_option_next(const struct curl_easyoption * prev)91 curl_easy_option_next(const struct curl_easyoption *prev)
92 {
93 (void)prev;
94 return NULL;
95 }
96 #endif
97