diff options
Diffstat (limited to 'Objects/obmalloc.c')
| -rw-r--r-- | Objects/obmalloc.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c index 1c2a32050f9..e919fad595b 100644 --- a/Objects/obmalloc.c +++ b/Objects/obmalloc.c @@ -1914,7 +1914,7 @@ _Py_GetAllocatedBlocks(void) /* Special bytes broadcast into debug memory blocks at appropriate times. * Strings of these are unlikely to be valid addresses, floats, ints or - * 7-bit ASCII. + * 7-bit ASCII. If modified, _PyMem_IsPtrFreed() should be updated as well. */ #undef CLEANBYTE #undef DEADBYTE @@ -2059,22 +2059,6 @@ _PyMem_DebugRawCalloc(void *ctx, size_t nelem, size_t elsize) } -/* Heuristic checking if the memory has been freed. Rely on the debug hooks on - Python memory allocators which fills the memory with DEADBYTE (0xDB) when - memory is deallocated. */ -int -_PyMem_IsFreed(void *ptr, size_t size) -{ - unsigned char *bytes = ptr; - for (size_t i=0; i < size; i++) { - if (bytes[i] != DEADBYTE) { - return 0; - } - } - return 1; -} - - /* The debug free first checks the 2*SST bytes on each end for sanity (in particular, that the FORBIDDENBYTEs with the api ID are still intact). Then fills the original bytes with DEADBYTE. |