helpmod2/helpmod_alias.c

   1 #include "helpmod_alias.h"
   2
   3 #include "hgen.h"
   4
   5 int helpmod_alias_count(alias_tree node)
   6 {
   7     if (node == NULL)
   8         return 0;
   9     else
  10         return 1 + helpmod_alias_count(node->left) + helpmod_alias_count(node->right);
  11 }
  12
  13 void helpmod_init_alias(alias_tree* node)
  14 {
  15     *node = (alias_tree)malloc(sizeof(struct alias_tree_struct));
  16     (*node)->left = NULL;
  17     (*node)->right = NULL;
  18     (*node)->name = NULL;
  19     (*node)->state = NULL;
  20 }
  21 void helpmod_clear_aliases(alias_tree* node)
  22 {
  23     if (!*node)
  24         return;
  25     helpmod_clear_aliases(&(*node)->left);
  26     helpmod_clear_aliases(&(*node)->right);
  27     freesstring((*node)->name);
  28     free(*node);
  29     *node = NULL;
  30 }
  31 helpmod_entry helpmod_get_alias(char* search)
  32 {
  33     int val;
  34     alias_tree tmp = aliases;
  35     while (tmp)
  36     {
  37         val = ci_strcmp(tmp->name->content, search);
  38         if (!val)
  39             return tmp->state;
  40         if (val < 0)
  41             tmp = tmp->left;
  42         else
  43             tmp = tmp->right;
  44     }
  45     return NULL;
  46 }
  47
  48 void helpmod_add_alias(char* name, helpmod_entry state)
  49 {
  50     int val;
  51     alias_tree* tmp = &aliases;
  52     while (*tmp)
  53     {
  54         val = strcmp((*tmp)->name->content, name);
  55         if (!val)
  56             return; /* duplicate, let's not do anything, silly person to create duplicates in the file.. */
  57         if (val < 0)
  58             tmp = &(*tmp)->left;
  59         else
  60             tmp = &(*tmp)->right;
  61     }
  62     helpmod_init_alias(tmp);
  63     (*tmp)->state = state;
  64     (*tmp)->name = getsstring(name,strlen(name));
  65     for (val=0;val < strlen(name);val++)
  66         if (isspace((*tmp)->name->content[val]))
  67         {
  68             (*tmp)->name->content[val] = 0x00;
  69             break;
  70         }
  71 }