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feat(libc): implement wcscat

This commit is contained in:
Feuris 2026-10-13 08:38:02 -03:00
parent e99a1b0aa9
commit cd0e9dccd7
2 changed files with 14 additions and 0 deletions
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5
core/libs/prx/libc/src/Strings.cpp
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@ -392,6 +392,11 @@ char16_t* APS5_VABI wcscpy_nid_postfix(char16_t* dest, const char16_t* src) {
return dest;
}
char16_t* APS5_VABI wcscat_nid_postfix(char16_t* dest, const char16_t* src) {
std::memcpy(dest + Length(dest), src, (Length(src) + 1) * sizeof(char16_t));
return dest;
}
char16_t* APS5_VABI wcsncpy_nid_postfix(char16_t* dest, const char16_t* src, size_t n) {
size_t index = 0;
for (; index < n && src[index] != 0; ++index) dest[index] = src[index];

9
core/libs/tests/GuestWideStrings.cpp
View File

@ -13,6 +13,7 @@ std::size_t APS5_VABI wcslen_nid_postfix(const char16_t* s);
int APS5_VABI wcscmp_nid_postfix(const char16_t* s1, const char16_t* s2);
int APS5_VABI wcsncmp_nid_postfix(const char16_t* s1, const char16_t* s2, std::size_t n);
char16_t* APS5_VABI wcscpy_nid_postfix(char16_t* dest, const char16_t* src);
char16_t* APS5_VABI wcscat_nid_postfix(char16_t* dest, const char16_t* src);
char16_t* APS5_VABI wcsncpy_nid_postfix(char16_t* dest, const char16_t* src, std::size_t n);
const char16_t* APS5_VABI wcschr_nid_postfix(const char16_t* s, char16_t c);
const char16_t* APS5_VABI wcsrchr_nid_postfix(const char16_t* s, char16_t c);
@ -69,6 +70,14 @@ int main() {
require(wcscpy_nid_postfix(buffer, u"wide") == buffer);
require(same(buffer, u"wide", 5) && buffer[5] == 0xaaaa);
char16_t concatenated[8];
wmemset_nid_postfix(concatenated, 0xaaaa, 8);
concatenated[0] = 0;
require(wcscat_nid_postfix(concatenated, u"ab") == concatenated);
require(wcscat_nid_postfix(concatenated, u"世") == concatenated);
const char16_t expectedConcatenated[] = {u'a', u'b', u'世', 0, 0xaaaa};
require(same(concatenated, expectedConcatenated, 5));
wmemset_nid_postfix(buffer, 0xaaaa, 8);
require(wcsncpy_nid_postfix(buffer, u"ab", 5) == buffer);
const char16_t padded[] = {u'a', u'b', 0, 0, 0, 0xaaaa};