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[DOC] Add return values of rb_enc_mbcput

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Nobuyoshi Nakada 2022-08-07 13:09:46 +09:00
parent 6d742c9412
commit 591ee9d068
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1 changed files with 6 additions and 4 deletions
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10
include/ruby/internal/encoding/encoding.h
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@ -643,10 +643,12 @@ rb_enc_code_to_mbclen(int c, rb_encoding *enc)
* Identical to rb_enc_uint_chr(), except it writes back to the passed buffer
* instead of allocating one.
*
* @param[in] c Code point.
* @param[out] buf Return buffer.
* @param[in] enc Target encoding scheme.
* @post `c` is encoded according to `enc`, then written to `buf`.
* @param[in] c Code point.
* @param[out] buf Return buffer.
* @param[in] enc Target encoding scheme.
* @retval <= 0 `c` is invalid in `enc`.
* @return otherwise Number of bytes written to `buf`.
* @post `c` is encoded according to `enc`, then written to `buf`.
*
* @internal
*