1488 #  define FAIL_STACK_EMPTY()     (fail_stack.avail == 0)
1490 #  define FAIL_STACK_FULL()      (fail_stack.avail == fail_stack.size)
1500     fail_stack.stack = (PREFIX(fail_stack_elt_t) *)		\
1503     if (fail_stack.stack == NULL)				\
1506     fail_stack.size = INIT_FAILURE_ALLOC;			\
1507     fail_stack.avail = 0;					\
1510 #  define RESET_FAIL_STACK()  REGEX_FREE_STACK (fail_stack.stack)
1514     fail_stack.avail = 0;					\
1528 # define DOUBLE_FAIL_STACK(fail_stack)					\  argument
1529   ((fail_stack).size > (unsigned) (re_max_failures * MAX_FAILURE_ITEMS)	\
1531    : ((fail_stack).stack = (PREFIX(fail_stack_elt_t) *)			\
1532         REGEX_REALLOCATE_STACK ((fail_stack).stack, 			\
1533           (fail_stack).size * sizeof (PREFIX(fail_stack_elt_t)),	\
1534           ((fail_stack).size << 1) * sizeof (PREFIX(fail_stack_elt_t))),\
1536       (fail_stack).stack == NULL					\
1538       : ((fail_stack).size <<= 1, 					\
1556   fail_stack.stack[fail_stack.avail++].pointer = (UCHAR_T *) (item)
1562   fail_stack.stack[fail_stack.avail++].integer = (item)
1568   fail_stack.stack[fail_stack.avail++] =  (item)
1572 # define POP_FAILURE_POINTER() fail_stack.stack[--fail_stack.avail].pointer
1573 # define POP_FAILURE_INT() fail_stack.stack[--fail_stack.avail].integer
1574 # define POP_FAILURE_ELT() fail_stack.stack[--fail_stack.avail]
1608     DEBUG_PRINT2 ("  Before push, next avail: %d\n", (fail_stack).avail);\
1609     DEBUG_PRINT2 ("                     size: %d\n", (fail_stack).size);\
1617         if (!DOUBLE_FAIL_STACK (fail_stack))				\
1621 		       (fail_stack).size);				\
1700 #  define REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail)
1725   DEBUG_PRINT2 ("  Before pop, next avail: %d\n", fail_stack.avail);	\
1726   DEBUG_PRINT2 ("                    size: %d\n", fail_stack.size);	\
1728   assert (fail_stack.avail >= NUM_NONREG_ITEMS);			\
2213 static PREFIX(fail_stack_type) fail_stack;
4195     if (fail_stack.size < (2 * re_max_failures * MAX_FAILURE_ITEMS))  in PREFIX()
4197 	fail_stack.size = (2 * re_max_failures * MAX_FAILURE_ITEMS);  in PREFIX()
4200 	if (! fail_stack.stack)  in PREFIX()
4201 	  fail_stack.stack  in PREFIX()
4202 	    = (PREFIX(fail_stack_elt_t) *) xmalloc (fail_stack.size  in PREFIX()
4205 	  fail_stack.stack  in PREFIX()
4206 	    = (PREFIX(fail_stack_elt_t) *) xrealloc (fail_stack.stack,  in PREFIX()
4207 				     (fail_stack.size  in PREFIX()
4210 	if (! fail_stack.stack)  in PREFIX()
4211 	  fail_stack.stack  in PREFIX()
4212 	    = (PREFIX(fail_stack_elt_t) *) malloc (fail_stack.size  in PREFIX()
4215 	  fail_stack.stack  in PREFIX()
4216 	    = (PREFIX(fail_stack_elt_t) *) realloc (fail_stack.stack,  in PREFIX()
4217 					    (fail_stack.size  in PREFIX()
4551   PREFIX(fail_stack_type) fail_stack;  in PREFIX()
4604 	      p = fail_stack.stack[--fail_stack.avail].pointer;  in PREFIX()
4776 	      && fail_stack.stack[fail_stack.avail - 1].pointer == p)  in PREFIX()
4777             fail_stack.avail--;  in PREFIX()
4796               if (!PUSH_PATTERN_OP (p + j, fail_stack))  in PREFIX()
5332     REGEX_FREE_STACK (fail_stack.stack);				\
5353     REGEX_FREE_STACK (fail_stack.stack);				\
5602   PREFIX(fail_stack_type) fail_stack;  in wcs_re_match_2_internal()