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Fix a few issues which can lead to undefined-behaviour (#1730)

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JerryScript-DCO-1.0-Signed-off-by: Zsolt Borbély zsborbely.u-szeged@partner.samsung.com
This commit is contained in:
Zsolt Borbély
2017-04-13 14:34:10 +02:00
committed by yichoi
parent 605e9847d2
commit 950a0f10cd
3 changed files with 7 additions and 4 deletions
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jerry-core/parser/regexp/re-bytecode.c
+4 -2
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@@ -126,7 +126,8 @@ re_bytecode_list_insert (re_bytecode_ctx_t *bc_ctx_p, /**< RegExp bytecode conte
inline ecma_char_t __attr_always_inline___
re_get_char (uint8_t **bc_p) /**< pointer to bytecode start */
{
ecma_char_t chr = *((ecma_char_t *) *bc_p);
ecma_char_t chr;
memcpy (&chr, *bc_p, sizeof (ecma_char_t));
(*bc_p) += sizeof (ecma_char_t);
return chr;
} /* re_get_char */
@@ -152,7 +153,8 @@ re_get_opcode (uint8_t **bc_p) /**< pointer to bytecode start */
inline uint32_t __attr_always_inline___
re_get_value (uint8_t **bc_p) /**< pointer to bytecode start */
{
uint32_t value = *((uint32_t *) *bc_p);
uint32_t value;
memcpy (&value, *bc_p, sizeof (uint32_t));
(*bc_p) += sizeof (uint32_t);
return value;
} /* re_get_value */