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LibC: Partially implement wcwidth

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This commit is contained in:
Tim Schumacher 2021-09-27 01:15:34 +02:00 • committed by Brian Gianforcaro
parent a66c358c52
commit 9c29e6cde7
2 changed files with 18 additions and 0 deletions
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17
Userland/Libraries/LibC/wchar.cpp
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@ -432,4 +432,21 @@ int swprintf(wchar_t*, size_t, const wchar_t*, ...)
dbgln("TODO: Implement swprintf()"); dbgln("TODO: Implement swprintf()");
TODO(); TODO();
} }
int wcwidth(wchar_t wc)
{
if (wc == L'\0')
return 0;
// Printable ASCII.
if (wc >= 0x20 && wc <= 0x7e)
return 1;
// Non-printable ASCII.
if (wc <= 0x7f)
return -1;
// TODO: Implement wcwidth for non-ASCII characters.
return 1;
}
} }

1
Userland/Libraries/LibC/wchar.h
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@ -55,5 +55,6 @@ float wcstof(const wchar_t*, wchar_t**);
double wcstod(const wchar_t*, wchar_t**); double wcstod(const wchar_t*, wchar_t**);
long double wcstold(const wchar_t*, wchar_t**); long double wcstold(const wchar_t*, wchar_t**);
int swprintf(wchar_t*, size_t, const wchar_t*, ...); int swprintf(wchar_t*, size_t, const wchar_t*, ...);
int wcwidth(wchar_t);
__END_DECLS __END_DECLS