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Create rb_darray_realloc_mul_add

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This commit is contained in:
Peter Zhu 2024-12-24 17:59:32 -05:00
parent bd70534e97
commit d67d1530a8
Notes: git 2025-01-02 16:03:23 +00:00 
Merged: https://github.com/ruby/ruby/pull/12459
1 changed files with 18 additions and 6 deletions
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24
darray.h
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@ -42,7 +42,7 @@
* void rb_darray_append(rb_darray(T) *ptr_to_ary, T element);
*/
#define rb_darray_append(ptr_to_ary, element) \
rb_darray_append_impl(ptr_to_ary, element, rb_xrealloc_mul_add)
rb_darray_append_impl(ptr_to_ary, element, rb_darray_realloc_mul_add)
#define rb_darray_append_without_gc(ptr_to_ary, element) \
rb_darray_append_impl(ptr_to_ary, element, rb_darray_realloc_mul_add_without_gc)
@ -187,13 +187,25 @@ rb_darray_calloc_mul_add_without_gc(size_t x, size_t y, size_t z)
return ptr;
}
/* Internal function. Like rb_xrealloc_mul_add but does not trigger GC. */
/* Internal function. Like rb_xrealloc_mul_add. */
static inline void *
rb_darray_realloc_mul_add_without_gc(const void *orig_ptr, size_t x, size_t y, size_t z)
rb_darray_realloc_mul_add(void *orig_ptr, size_t x, size_t y, size_t z)
{
size_t size = rbimpl_size_add_or_raise(rbimpl_size_mul_or_raise(x, y), z);
void *ptr = realloc((void *)orig_ptr, size);
void *ptr = xrealloc(orig_ptr, size);
RUBY_ASSERT(ptr != NULL);
return ptr;
}
/* Internal function. Like rb_xrealloc_mul_add but does not trigger GC. */
static inline void *
rb_darray_realloc_mul_add_without_gc(void *orig_ptr, size_t x, size_t y, size_t z)
{
size_t size = rbimpl_size_add_or_raise(rbimpl_size_mul_or_raise(x, y), z);
void *ptr = realloc(orig_ptr, size);
if (ptr == NULL) rb_bug("rb_darray_realloc_mul_add_without_gc: failed");
return ptr;
@ -203,7 +215,7 @@ rb_darray_realloc_mul_add_without_gc(const void *orig_ptr, size_t x, size_t y, s
* be greater than or equal to the size of the darray. */
static inline void
rb_darray_resize_capa_impl(void *ptr_to_ary, size_t new_capa, size_t header_size, size_t element_size,
void *(*realloc_mul_add_impl)(const void *, size_t, size_t, size_t))
void *(*realloc_mul_add_impl)(void *, size_t, size_t, size_t))
{
rb_darray_meta_t **ptr_to_ptr_to_meta = ptr_to_ary;
rb_darray_meta_t *meta = *ptr_to_ptr_to_meta;
@ -230,7 +242,7 @@ rb_darray_resize_capa_impl(void *ptr_to_ary, size_t new_capa, size_t header_size
// Note: header_size can be bigger than sizeof(rb_darray_meta_t) when T is __int128_t, for example.
static inline void
rb_darray_ensure_space(void *ptr_to_ary, size_t header_size, size_t element_size,
void *(*realloc_mul_add_impl)(const void *, size_t, size_t, size_t))
void *(*realloc_mul_add_impl)(void *, size_t, size_t, size_t))
{
rb_darray_meta_t **ptr_to_ptr_to_meta = ptr_to_ary;
rb_darray_meta_t *meta = *ptr_to_ptr_to_meta;