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Fix unaligned memory access with memcpy #27

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Fix unaligned memory access with memcpy #27

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6 changes: 4 additions & 2 deletions lib-rt/librt_internal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include <stdint.h>
#include <string.h>
#include "CPy.h"
#define LIBRT_INTERNAL_MODULE
#include "librt_internal.h"
Expand Down Expand Up @@ -39,13 +40,14 @@

#define _READ(result, data, type) \
do { \
*(result) = *(type *)(((ReadBufferObject *)data)->ptr); \
memcpy((void *) result, ((ReadBufferObject *)data)->ptr, sizeof(type)); \
((ReadBufferObject *)data)->ptr += sizeof(type); \
} while (0)

#define _WRITE(data, type, v) \
do { \
*(type *)(((WriteBufferObject *)data)->ptr) = v; \
type temp = v; \
memcpy(((WriteBufferObject *)data)->ptr, (const void *) &temp, sizeof(type)); \
((WriteBufferObject *)data)->ptr += sizeof(type); \
} while (0)

Expand Down