git.sur5r.net Git - i3/i3/blob - i3bar/include/util.h

   1 #ifndef UTIL_H_
   2 #define UTIL_H_
   3
   4 /* Securely free p */
   5 #define FREE(p) do { \
   6         if (p != NULL) { \
   7                 free(p); \
   8                 p = NULL; \
   9         } \
  10 } while (0)
  11
  12 /* Securely fee single-linked list */
  13 #define FREE_LIST(l, type) do { \
  14         type* FREE_LIST_TMP; \
  15         while (l != NULL) { \
  16                 FREE_LIST_TMP = l; \
  17                 free(l); \
  18                 l = l->next; \
  19         } \
  20 } while (0)
  21
  22 #endif