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[DOC] Improve documentation to RB_ALLOCV

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Although the storage of the opaque Ruby object is an array of VALUEs, the intention of RB_ALLOCV is to allocate bytes of memory.
This commit is contained in:
Lars Kanis 2022-11-01 15:40:52 +01:00 committed by 卜部昌平
parent 8c62b36041
commit 81e274c990
Notes: git 2022-12-06 05:55:26 +00:00 
Merged: https://github.com/ruby/ruby/pull/6654
1 changed files with 3 additions and 3 deletions
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6
include/ruby/internal/memory.h
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@ -287,12 +287,12 @@ typedef uint128_t DSIZE_T;
RBIMPL_CAST((type *)alloca(rbimpl_size_mul_or_raise(sizeof(type), (n))))
/**
* Identical to #RB_ALLOCV_N(), except it implicitly assumes the type of array
* is ::VALUE.
* Identical to #RB_ALLOCV_N(), except that it allocates a number of bytes and
* returns a void* .
*
* @param v A variable to hold the just-in-case opaque Ruby object.
* @param n Size of allocation, in bytes.
* @return An array of `n` bytes of ::VALUE.
* @return A void pointer to `n` bytes storage.
* @note `n` may be evaluated twice.
*/
#define RB_ALLOCV(v, n) \