smatch_string_list.c

   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, char *str)
  21 {
  22         char *tmp;
  23
  24         FOR_EACH_PTR(str_list, tmp) {
  25                 if (strcmp(tmp, str) < 0)
  26                         continue;
  27                 if (strcmp(tmp, str) == 0)
  28                         return 1;
  29                 return 0;
  30         } END_FOR_EACH_PTR(tmp);
  31         return 0;
  32 }
  33
  34 void insert_string(struct string_list **str_list, char *new)
  35 {
  36         char *tmp;
  37
  38         FOR_EACH_PTR(*str_list, tmp) {
  39                 if (strcmp(tmp, new) < 0)
  40                         continue;
  41                 else if (strcmp(tmp, new) == 0) {
  42                         return;
  43                 } else {
  44                         INSERT_CURRENT(new, tmp);
  45                         return;
  46                 }
  47         } END_FOR_EACH_PTR(tmp);
  48         add_ptr_list(str_list, new);
  49 }
  50
  51 struct string_list *clone_str_list(struct string_list *orig)
  52 {
  53         char *tmp;
  54         struct string_list *ret = NULL;
  55
  56         FOR_EACH_PTR(orig, tmp) {
  57                 add_ptr_list(&ret, tmp);
  58         } END_FOR_EACH_PTR(tmp);
  59         return ret;
  60 }
  61
  62 struct string_list *combine_string_lists(struct string_list *one, struct string_list *two)
  63 {
  64         struct string_list *ret;
  65         char *tmp;
  66
  67         ret = clone_str_list(one);
  68         FOR_EACH_PTR(two, tmp) {
  69                 insert_string(&ret, tmp);
  70         } END_FOR_EACH_PTR(tmp);
  71         return ret;
  72 }
  73
  74