func.c

   1 /*
   2  * Copyright (C) 2008 Diego Hernan Borghetti.
   3  * Eco
   4  */
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9
  10 #include "term.h"
  11 #include "screen.h"
  12 #include "buffer.h"
  13 #include "view.h"
  14 #include "eco.h"
  15 #include "func.h"
  16
  17
  18 /* name to function binding list. */
  19 E_Function *functions= NULL;
  20
  21 void e_func_free(void)
  22 {
  23         E_Function *p;
  24
  25         while (functions) {
  26                 p= functions->next;
  27                 free((void *)functions);
  28                 functions= p;
  29         }
  30 }
  31
  32 E_Function *e_func_find(char *name)
  33 {
  34         E_Function *p;
  35
  36         p= functions;
  37         while (p) {
  38                 if (!strcmp(p->name, name))
  39                         return(p);
  40                 p= p->next;
  41         }
  42         return(NULL);
  43 }
  44
  45 void e_func_add(char *name, void (*func)(E_Eco *))
  46 {
  47         E_Function *fn;
  48
  49         fn= e_func_find(name);
  50         if (fn)
  51                 return;
  52
  53         fn= (E_Function *)malloc(sizeof(E_Function));
  54         if (!fn)
  55                 return;
  56
  57         fn->name= name;
  58         fn->func= func;
  59         fn->next= functions;
  60         functions= fn;
  61 }
  62
  63 void e_func_remove(char *name)
  64 {
  65         E_Function *p, *p1;
  66
  67         p= functions;
  68         p1= NULL;
  69         while (p) {
  70                 if (!strcmp(p->name, name)) {
  71                         if (p1)
  72                                 p1->next= p->next;
  73                         else
  74                                 functions= p->next;
  75
  76                         free((void *)p);
  77                         return;
  78                 }
  79                 p1= p;
  80                 p= p->next;
  81         }
  82 }