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Add function array_splice just like function list_splice

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as it can be done faster at low level.
This commit is contained in:
Patrick Pelissier committed 2018-04-15 11:41:32 +02:00
1 parent 2c9169308b
commit 12b15e0037
2 files changed
+35
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m-array.h
+19
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@@ -820,5 +820,24 @@
return M_HASH_FINAL (hash); \
} \
, /* no HASH */ ) \
\
static inline void \
M_C(name, _splice)(array_t a1, array_t a2) \
{ \
ARRAYI_CONTRACT(a1); \
ARRAYI_CONTRACT(a2); \
size_t newSize = a1->size + a2->size; \
if (newSize > a1->alloc) { \
type *ptr = M_GET_REALLOC oplist (type, a1->ptr, newSize); \
if (M_UNLIKELY (ptr == NULL) ) { \
M_MEMORY_FULL(sizeof (type) * newSize); \
} \
a1->ptr = ptr; \
a1->alloc = newSize; \
} \
memcpy(&a1->ptr[a1->size], &a2->ptr[0], a2->size * sizeof (type)); \
a2->size = 0; \
a1->size = newSize; \
} \
#endif