132   struct allocation_header *header = ((struct allocation_header *) ptr) - 1;  in get_header()  local
133   if (header->allocation_index >= allocation_index)  in get_header()
135           op, ptr, header->allocation_index, allocation_index);  in get_header()
136   if (allocations[header->allocation_index] != header)  in get_header()
138           op, ptr, allocations[header->allocation_index]);  in get_header()
139   return header;  in get_header()
178 free_internal (const char *op, struct allocation_header *header)  in free_internal()  argument
180   size_t index = header->allocation_index;  in free_internal()
181   int result = mprotect (header, header->allocation_size, PROT_NONE);  in free_internal()
183     fail ("%s: mprotect (%p, %zu): %m", op, header, header->allocation_size);  in free_internal()
192   struct allocation_header *header = get_header ("realloc", ptr);  in realloc_internal()  local
193   size_t old_size = header->allocation_size - sizeof (struct allocation_header);  in realloc_internal()
201   free_internal ("realloc", header);  in realloc_internal()
239   struct allocation_header *header = get_header ("free", ptr);  in free()  local
240   free_internal ("free", header);  in free()