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Don't call 'mbrtowc' on WINDOWSNT

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* src/emacs.c (using_utf8): Don't call 'mbrtowc' on WINDOWSNT
systems, as it's not available on Windows 9X.
This commit is contained in:
Eli Zaretskii 2020-06-01 18:57:39 +03:00
parent fb90f46f47
commit 0260d2d2db
1 changed files with 4 additions and 1 deletions
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5
src/emacs.c
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@ -358,7 +358,10 @@ setlocale (int cat, char const *locale)
static bool static bool
using_utf8 (void) using_utf8 (void)
{ {
#ifdef HAVE_WCHAR_H /* We don't want to compile in mbrtowc on WINDOWSNT because that
will prevent Emacs from starting on older Windows systems, while
the result is known in advance anyway... */
#if defined HAVE_WCHAR_H && !defined WINDOWSNT
wchar_t wc; wchar_t wc;
mbstate_t mbs = { 0 }; mbstate_t mbs = { 0 };
return mbrtowc (&wc, "\xc4\x80", 2, &mbs) == 2 && wc == 0x100; return mbrtowc (&wc, "\xc4\x80", 2, &mbs) == 2 && wc == 0x100;