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LibC: Implement wctrans

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Tim Schumacher 2021-09-17 18:19:09 +02:00 committed by Brian Gianforcaro
parent 7b17230d7a
commit ff0ab8b9a9
Notes: sideshowbarker 2024-07-18 03:44:54 +09:00 
Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/ff0ab8b9a96
Pull-request: https://github.com/SerenityOS/serenity/pull/10097
Reviewed-by: https://github.com/bgianfo ✅
2 changed files with 25 additions and 3 deletions
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11
Tests/LibC/TestWctype.cpp
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@ -28,3 +28,14 @@ TEST_CASE(wctype)
EXPECT(wctype("") == 0);
EXPECT(wctype("abc") == 0);
}
TEST_CASE(wctrans)
{
// Test that existing character mappings return non-zero wctrans values.
EXPECT(wctrans("tolower") != 0);
EXPECT(wctrans("toupper") != 0);
// Test that invalid character mappings return the "invalid" wctrans value (0).
EXPECT(wctrans("") == 0);
EXPECT(wctrans("abc") == 0);
}

17
Userland/Libraries/LibC/wctype.cpp
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@ -24,6 +24,12 @@ enum {
WCTYPE_XDIGIT,
};
enum {
WCTRANS_INVALID = 0,
WCTRANS_TOLOWER,
WCTRANS_TOUPPER,
};
extern "C" {
int iswalnum(wint_t wc)
@ -149,9 +155,14 @@ wint_t towctrans(wint_t, wctrans_t)
TODO();
}
wctrans_t wctrans(const char*)
wctrans_t wctrans(const char* charclass)
{
dbgln("FIXME: Implement wctrans()");
TODO();
if (strcmp(charclass, "tolower") == 0)
return WCTRANS_TOLOWER;
if (strcmp(charclass, "toupper") == 0)
return WCTRANS_TOUPPER;
return WCTRANS_INVALID;
}
}