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, 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