Merge pull request #489 from sw17ch/sw17ch/fix-closure-free-alloc

In `closure_free()`, use the FSM allocator instead of `free()`.

src/fsm/main.c

@@ -666,7 +666,7 @@ main(int argc, char *argv[])
  printf("\n");
  }
 
- closure_free(closures, fsm->statecount);
+ closure_free(fsm, closures, fsm->statecount);
 
  return 0;
  } else {

src/libfsm/closure.c

@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include <fsm/alloc.h>
 #include <fsm/fsm.h>
 #include <fsm/pred.h>
 #include <fsm/walk.h>
@@ -189,14 +190,14 @@ epsilon_closure(struct fsm *fsm)
 }
 
 void
-closure_free(struct state_set **closures, size_t n)
+closure_free(struct fsm *fsm, struct state_set **closures, size_t n)
 {
  fsm_state_t s;
 
  for (s = 0; s < n; s++) {
  state_set_free(closures[s]);
  }
 
- free(closures);
+ f_free(fsm->alloc, closures);
 }
 

src/libfsm/epsilons.c

@@ -168,7 +168,7 @@ fsm_remove_epsilons(struct fsm *nfa)
  res = 1;
 cleanup:
  if (eclosures != NULL) {
- closure_free(eclosures, state_count);
+ closure_free(nfa, eclosures, state_count);
  }
 
  return res;

src/libfsm/internal.h

@@ -92,7 +92,7 @@ struct state_set **
 epsilon_closure(struct fsm *fsm);
 
 void
-closure_free(struct state_set **closures, size_t n);
+closure_free(struct fsm *fsm, struct state_set **closures, size_t n);
 
 /*
  * Internal free function that invokes free(3) by default, or a user-provided