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 *tmp;
  40
  41         FOR_EACH_PTR(*str_list, tmp) {
  42                 if (strcmp(tmp, new) < 0)
  43                         continue;
  44                 else if (strcmp(tmp, new) == 0) {
  45                         return;
  46                 } else {
  47                         INSERT_CURRENT(new, tmp);
  48                         return;
  49                 }
  50         } END_FOR_EACH_PTR(tmp);
  51         add_ptr_list(str_list, new);
  52 }
  53
  54 struct string_list *clone_str_list(struct string_list *orig)
  55 {
  56         char *tmp;
  57         struct string_list *ret = NULL;
  58
  59         FOR_EACH_PTR(orig, tmp) {
  60                 add_ptr_list(&ret, tmp);
  61         } END_FOR_EACH_PTR(tmp);
  62         return ret;
  63 }
  64
  65 struct string_list *combine_string_lists(struct string_list *one, struct string_list *two)
  66 {
  67         struct string_list *ret;
  68         char *tmp;
  69
  70         ret = clone_str_list(one);
  71         FOR_EACH_PTR(two, tmp) {
  72                 insert_string(&ret, tmp);
  73         } END_FOR_EACH_PTR(tmp);
  74         return ret;
  75 }
  76
  77