397 static int block_is_free(const block_header_t * block)  in block_is_free()  function
690         tlsf_assert(block_is_free(prev) && "prev block is not free though marked as such");  in block_merge_prev()
704     if(block_is_free(next)) {  in block_merge_next()
716     tlsf_assert(block_is_free(block) && "block must be free");  in block_trim_free()
728     tlsf_assert(!block_is_free(block) && "block must be used");  in block_trim_used()
826     const int this_status = block_is_free(block) ? 1 : 0;  in integrity_walker()
869                 tlsf_insist(block_is_free(block) && "block should be free");  in lv_tlsf_check()
871                 tlsf_insist(!block_is_free(block_next(block)) && "blocks should have coalesced");  in lv_tlsf_check()
903             !block_is_free(block),  in lv_tlsf_walk_pool()
1021     tlsf_assert(block_is_free(block) && "block should be free");  in lv_tlsf_remove_pool()
1022     tlsf_assert(!block_is_free(block_next(block)) && "next block should not be free");  in lv_tlsf_remove_pool()
1166         tlsf_assert(!block_is_free(block) && "block already marked as free");  in lv_tlsf_free()
1215         tlsf_assert(!block_is_free(block) && "block already marked as free");  in lv_tlsf_realloc()
1221         if(adjust > cursize && (!block_is_free(next) || adjust > combined)) {  in lv_tlsf_realloc()