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Cygwin: cXXrtomb, mbrtcXX: use function-specific internal state

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As described in the previous commit b5111e46424b
("struct _reent: add state for unicode functions") every unicode
conversion function has to use their own state object, if the
state parameter is NULL.

Fixes: 4f258c55e87f ("Cygwin: Add ISO C11 functions c16rtomb, c32rtomb, mbrtoc16, mbrtoc32.")
Fixes: c49bc478b4a7 ("Cygwin: Add ISO C2X functions c8rtomb, mbrtoc8")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2023-08-15 22:34:29 +02:00
parent b5111e4642
commit 46c4a90724
1 changed files with 21 additions and 3 deletions
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24
winsup/cygwin/strfuncs.cc
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@ -135,6 +135,12 @@ wcintowcs (wchar_t *dest, wint_t *src, size_t len)
extern "C" size_t
c32rtomb (char *s, char32_t wc, mbstate_t *ps)
{
if (ps == NULL)
{
_REENT_CHECK_MISC(_REENT);
ps = &(_REENT_C32RTOMB_STATE(_REENT));
}
/* If s is NULL, behave as if s pointed to an internal buffer and wc
was a null wide character (L''). wcrtomb will do that for us*/
if (wc <= 0xffff || !s)
@ -152,6 +158,12 @@ c32rtomb (char *s, char32_t wc, mbstate_t *ps)
extern "C" size_t
c16rtomb (char *s, char16_t wc, mbstate_t *ps)
{
if (ps == NULL)
{
_REENT_CHECK_MISC(_REENT);
ps = &(_REENT_C16RTOMB_STATE(_REENT));
}
return wcrtomb (s, (wchar_t) wc, ps);
}
@ -164,7 +176,7 @@ c8rtomb (char *s, char8_t c8, mbstate_t *ps)
if (ps == NULL)
{
_REENT_CHECK_MISC(reent);
ps = &(_REENT_MBRTOWC_STATE(reent));
ps = &(_REENT_C8RTOMB_STATE(reent));
}
if (s == NULL)
@ -258,6 +270,12 @@ mbrtoc32 (char32_t *pwc, const char *s, size_t n, mbstate_t *ps)
size_t len, len2;
wchar_t w1, w2;
if (ps == NULL)
{
_REENT_CHECK_MISC(_REENT);
ps = &(_REENT_MBRTOC32_STATE(_REENT));
}
len = mbrtowc (&w1, s, n, ps);
if (len == (size_t) -1 || len == (size_t) -2)
return len;
@ -299,7 +317,7 @@ mbrtoc16 (char16_t *pwc, const char *s, size_t n, mbstate_t *ps)
if (ps == NULL)
{
_REENT_CHECK_MISC(reent);
ps = &(_REENT_MBRTOWC_STATE(reent));
ps = &(_REENT_MBRTOC16_STATE(reent));
}
if (s == NULL)
@ -352,7 +370,7 @@ mbrtoc8 (char8_t *pc8, const char *s, size_t n, mbstate_t *ps)
if (ps == NULL)
{
_REENT_CHECK_MISC(reent);
ps = &(_REENT_MBRTOWC_STATE(reent));
ps = &(_REENT_MBRTOC8_STATE(reent));
}
if (s == NULL)