1484 #  define FAIL_STACK_EMPTY()     (fail_stack.avail == 0)
1486 #  define FAIL_STACK_FULL()      (fail_stack.avail == fail_stack.size)
1496     fail_stack.stack = (PREFIX(fail_stack_elt_t) *)		\
1499     if (fail_stack.stack == NULL)				\
1502     fail_stack.size = INIT_FAILURE_ALLOC;			\
1503     fail_stack.avail = 0;					\
1506 #  define RESET_FAIL_STACK()  REGEX_FREE_STACK (fail_stack.stack)
1510     fail_stack.avail = 0;					\
1524 # define DOUBLE_FAIL_STACK(fail_stack)					\  argument
1525   ((fail_stack).size > (unsigned) (re_max_failures * MAX_FAILURE_ITEMS)	\
1527    : ((fail_stack).stack = (PREFIX(fail_stack_elt_t) *)			\
1528         REGEX_REALLOCATE_STACK ((fail_stack).stack, 			\
1529           (fail_stack).size * sizeof (PREFIX(fail_stack_elt_t)),	\
1530           ((fail_stack).size << 1) * sizeof (PREFIX(fail_stack_elt_t))),\
1532       (fail_stack).stack == NULL					\
1534       : ((fail_stack).size <<= 1, 					\
1552   fail_stack.stack[fail_stack.avail++].pointer = (UCHAR_T *) (item)
1558   fail_stack.stack[fail_stack.avail++].integer = (item)
1564   fail_stack.stack[fail_stack.avail++] =  (item)
1568 # define POP_FAILURE_POINTER() fail_stack.stack[--fail_stack.avail].pointer
1569 # define POP_FAILURE_INT() fail_stack.stack[--fail_stack.avail].integer
1570 # define POP_FAILURE_ELT() fail_stack.stack[--fail_stack.avail]
1604     DEBUG_PRINT2 ("  Before push, next avail: %d\n", (fail_stack).avail);\
1605     DEBUG_PRINT2 ("                     size: %d\n", (fail_stack).size);\
1613         if (!DOUBLE_FAIL_STACK (fail_stack))				\
1617 		       (fail_stack).size);				\
1696 #  define REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail)
1721   DEBUG_PRINT2 ("  Before pop, next avail: %d\n", fail_stack.avail);	\
1722   DEBUG_PRINT2 ("                    size: %d\n", fail_stack.size);	\
1724   assert (fail_stack.avail >= NUM_NONREG_ITEMS);			\
2209 static PREFIX(fail_stack_type) fail_stack;
4191     if (fail_stack.size < (2 * re_max_failures * MAX_FAILURE_ITEMS))  in PREFIX()
4193 	fail_stack.size = (2 * re_max_failures * MAX_FAILURE_ITEMS);  in PREFIX()
4196 	if (! fail_stack.stack)  in PREFIX()
4197 	  fail_stack.stack  in PREFIX()
4198 	    = (PREFIX(fail_stack_elt_t) *) xmalloc (fail_stack.size  in PREFIX()
4201 	  fail_stack.stack  in PREFIX()
4202 	    = (PREFIX(fail_stack_elt_t) *) xrealloc (fail_stack.stack,  in PREFIX()
4203 				     (fail_stack.size  in PREFIX()
4206 	if (! fail_stack.stack)  in PREFIX()
4207 	  fail_stack.stack  in PREFIX()
4208 	    = (PREFIX(fail_stack_elt_t) *) malloc (fail_stack.size  in PREFIX()
4211 	  fail_stack.stack  in PREFIX()
4212 	    = (PREFIX(fail_stack_elt_t) *) realloc (fail_stack.stack,  in PREFIX()
4213 					    (fail_stack.size  in PREFIX()
4547   PREFIX(fail_stack_type) fail_stack;  in PREFIX()
4600 	      p = fail_stack.stack[--fail_stack.avail].pointer;  in PREFIX()
4772 	      && fail_stack.stack[fail_stack.avail - 1].pointer == p)  in PREFIX()
4773             fail_stack.avail--;  in PREFIX()
4792               if (!PUSH_PATTERN_OP (p + j, fail_stack))  in PREFIX()
5328     REGEX_FREE_STACK (fail_stack.stack);				\
5349     REGEX_FREE_STACK (fail_stack.stack);				\
5598   PREFIX(fail_stack_type) fail_stack;  in wcs_re_match_2_internal()