helpmod/helpmod_alias.c

   1 #include "helpmod_alias.h"
   2
   3 int helpmod_alias_count(alias_tree node)
   4 {
   5     if (node == NULL)
   6         return 0;
   7     else
   8         return 1 + helpmod_alias_count(node->left) + helpmod_alias_count(node->right);
   9 }
  10
  11 void helpmod_init_alias(alias_tree* node)
  12 {
  13     *node = (alias_tree)malloc(sizeof(struct alias_tree_struct));
  14     (*node)->left = NULL;
  15     (*node)->right = NULL;
  16     (*node)->name = NULL;
  17     (*node)->state = NULL;
  18 }
  19 void helpmod_clear_aliases(alias_tree* node)
  20 {
  21     if (!*node)
  22         return;
  23     helpmod_clear_aliases(&(*node)->left);
  24     helpmod_clear_aliases(&(*node)->right);
  25     freesstring((*node)->name);
  26     free(*node);
  27     *node = NULL;
  28 }
  29 helpmod_entry helpmod_get_alias(char* search)
  30 {
  31     int val;
  32     alias_tree tmp = aliases;
  33     while (tmp)
  34     {
  35         val = strcmp(tmp->name->content, search);
  36         if (!val)
  37             return tmp->state;
  38         if (val < 0)
  39             tmp = tmp->left;
  40         else
  41             tmp = tmp->right;
  42     }
  43     return NULL;
  44 }
  45
  46 void helpmod_add_alias(char* name, helpmod_entry state)
  47 {
  48     int val;
  49     alias_tree* tmp = &aliases;
  50     while (*tmp)
  51     {
  52         val = strcmp((*tmp)->name->content, name);
  53         if (!val)
  54             return; /* duplicate, let's not do anything, silly person to create duplicates in the file.. */
  55         if (val < 0)
  56             tmp = &(*tmp)->left;
  57         else
  58             tmp = &(*tmp)->right;
  59     }
  60     helpmod_init_alias(tmp);
  61     (*tmp)->state = state;
  62     (*tmp)->name = getsstring(name,strlen(name));
  63     for (val=0;val < strlen(name);val++)
  64         if (isspace((*tmp)->name->content[val]))
  65         {
  66             (*tmp)->name->content[val] = 0x00;
  67             break;
  68         }
  69 }