Add the missing length requirement about MB_CUR_MAX to wcrtomb(3). Change the wording on the MB_CUR_MAX requirement in wctomb(3). If programmers know the wide character to convert beforehand, they are allowed to use a buffer smaller than MB_CUR_MAX bytes, as long as it "fits" the sequence. Signed-off-by: Kang-Che Sung <explorer09@xxxxxxxxx> --- man/man3/wcrtomb.3 | 8 ++++++++ man/man3/wctomb.3 | 8 +++++--- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/man/man3/wcrtomb.3 b/man/man3/wcrtomb.3 index 967a1a0f6..162d97df8 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 will 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 () diff --git a/man/man3/wctomb.3 b/man/man3/wctomb.3 index fce54cb4b..643e2e677 100644 --- a/man/man3/wctomb.3 +++ b/man/man3/wctomb.3 @@ -42,10 +42,12 @@ that is, the number of bytes written at .IR s . .P -The programmer must ensure that there is -room for at least +At most .B MB_CUR_MAX -bytes at +bytes will be written at +.IR s . +The programmer must ensure that there is enough room to store the +multibyte sequence at .IR s . .P If -- 2.49.0
