[PATCH 2/2] man/man3/wcrtomb.3: Document MB_CUR_MAX length requirement
From: Kang-Che Sung <hidden>
Date: 2025-03-16 09:08:52
Subsystem:
the rest · Maintainer:
Linus Torvalds
The wcrtomb(3) function, like wctomb(3), has a length requirement about MB_CUR_MAX. So copy the wording about MB_CUR_MAX from wctomb(3) to wcrtomb(3). Signed-off-by: Kang-Che Sung <redacted> --- man/man3/wcrtomb.3 | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/man/man3/wcrtomb.3 b/man/man3/wcrtomb.3
index 967a1a0f6..27b5bd9c1 100644
--- a/man/man3/wcrtomb.3
+++ b/man/man3/wcrtomb.3@@ -94,6 +94,14 @@ is NULL, a static anonymous state known only to the .BR wcrtomb () function is used instead. +.P +At most +.B MB_CUR_MAX +bytes can be written at +.IR s . +The programmer must ensure that there is enough room to store the +multibyte sequence at +.IR s . .SH RETURN VALUE The .BR wcrtomb ()
@@ -101,6 +109,9 @@ function returns the number of bytes that have been or would have been written to the byte array at .IR s . +The value returned will never be greater than the value of the +.B MB_CUR_MAX +macro. If .I wc can not be
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2.49.0