smatch_tracker.c

   1 #include "smatch.h"
   2
   3 ALLOCATOR(tracker, "trackers");
   4
   5 struct tracker *alloc_tracker(const char *name, int owner, struct symbol *sym)
   6 {
   7         struct tracker *tmp;
   8
   9         tmp = __alloc_tracker(0);
  10         tmp->name = alloc_string(name);
  11         tmp->owner = owner;
  12         tmp->sym = sym;
  13         return tmp;
  14 }
  15
  16 void add_tracker(struct tracker_list **list, const char *name, int owner,
  17                 struct symbol *sym)
  18 {
  19         struct tracker *tmp;
  20
  21         if (in_tracker_list(*list, name, owner, sym))
  22                 return;
  23         tmp = alloc_tracker(name, owner, sym);
  24         add_ptr_list(list, tmp);
  25 }
  26
  27 void del_tracker(struct tracker_list **list, const char *name, int owner,
  28                  struct symbol *sym)
  29 {
  30         struct tracker *tmp;
  31
  32         FOR_EACH_PTR(*list, tmp) {
  33                 if (tmp->owner == owner && tmp->sym == sym
  34                     && !strcmp(tmp->name, name)) {
  35                         DELETE_CURRENT_PTR(tmp);
  36                         __free_tracker(tmp);
  37                         return;
  38                 }
  39         } END_FOR_EACH_PTR(tmp);
  40 }
  41
  42 int in_tracker_list(struct tracker_list *list, const char *name, int owner,
  43                 struct symbol *sym)
  44 {
  45         struct tracker *tmp;
  46
  47         FOR_EACH_PTR(list, tmp) {
  48                 if (tmp->owner == owner && tmp->sym == sym
  49                     && !strcmp(tmp->name, name))
  50                         return 1;
  51         } END_FOR_EACH_PTR(tmp);
  52         return 0;
  53 }
  54
  55 void free_tracker_list(struct tracker_list **list)
  56 {
  57         __free_ptr_list((struct ptr_list **)list);
  58 }
  59
  60 void free_trackers_and_list(struct tracker_list **list)
  61 {
  62         struct tracker *tmp;
  63
  64         FOR_EACH_PTR(*list, tmp) {
  65                 free_string(tmp->name);
  66                 __free_tracker(tmp);
  67         } END_FOR_EACH_PTR(tmp);
  68         free_tracker_list(list);
  69 }
  70