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wctype: have towlower and towupper check char ranges with no locale backend.

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Change-Id: Ie63977bcf54ce9b0a2fa542ba5327c8e8b050e2e
Reviewed-on: https://review.haiku-os.org/740
Reviewed-by: Adrien Destugues <[email protected]>
This commit is contained in:
Jérôme Duval
2018-12-02 21:28:43 +00:00
committed by waddlesplash
parent bc6fcc8aae
commit 9f4b382338
1 changed files with 8 additions and 2 deletions
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src/system/libroot/posix/locale/wctype.cpp
+8 -2
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@@ -123,8 +123,11 @@ iswxdigit(wint_t wc)
wint_t
towlower(wint_t wc)
{
if (gLocaleBackend == NULL)
if (gLocaleBackend == NULL) {
if (wc < 0 || wc > 127)
return wc;
return tolower(wc);
}
wint_t result = wc;
gLocaleBackend->ToWCTrans(wc, _ISlower, result);
@@ -136,8 +139,11 @@ towlower(wint_t wc)
wint_t
towupper(wint_t wc)
{
if (gLocaleBackend == NULL)
if (gLocaleBackend == NULL) {
if (wc < 0 || wc > 127)
return wc;
return toupper(wc);
}
wint_t result = wc;
gLocaleBackend->ToWCTrans(wc, _ISupper, result);