xref: /illumos-gate/usr/src/tools/smatch/src/smatch_string_list.c (revision dc5e7685b131559c0b7c622baee25a9a0ae50ada)
1 /*
2  * Copyright (C) 2013 Oracle.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
16  */
17 
18 #include "smatch.h"
19 
20 int list_has_string(struct string_list *str_list, const char *str)
21 {
22 	char *tmp;
23 
24 	if (!str)
25 		return 0;
26 
27 	FOR_EACH_PTR(str_list, tmp) {
28 		if (strcmp(tmp, str) < 0)
29 			continue;
30 		if (strcmp(tmp, str) == 0)
31 			return 1;
32 		return 0;
33 	} END_FOR_EACH_PTR(tmp);
34 	return 0;
35 }
36 
37 void insert_string(struct string_list **str_list, const char *_new)
38 {
39 	char *new = (char *)_new;
40 	char *tmp;
41 
42 	FOR_EACH_PTR(*str_list, tmp) {
43 		if (strcmp(tmp, new) < 0)
44 			continue;
45 		else if (strcmp(tmp, new) == 0) {
46 			return;
47 		} else {
48 			INSERT_CURRENT(alloc_string(new), tmp);
49 			return;
50 		}
51 	} END_FOR_EACH_PTR(tmp);
52 	new = alloc_string(new);
53 	add_ptr_list(str_list, new);
54 }
55 
56 struct string_list *clone_str_list(struct string_list *orig)
57 {
58 	char *tmp;
59 	struct string_list *ret = NULL;
60 
61 	FOR_EACH_PTR(orig, tmp) {
62 		add_ptr_list(&ret, tmp);
63 	} END_FOR_EACH_PTR(tmp);
64 	return ret;
65 }
66 
67 struct string_list *combine_string_lists(struct string_list *one, struct string_list *two)
68 {
69 	struct string_list *ret;
70 	char *tmp;
71 
72 	ret = clone_str_list(one);
73 	FOR_EACH_PTR(two, tmp) {
74 		insert_string(&ret, tmp);
75 	} END_FOR_EACH_PTR(tmp);
76 	return ret;
77 }
78 
79 
80