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feat(libc): implement wcsnlen_s

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Feuris committed 2026-10-13 21:35:45 -03:00
1 parent afc8541d18
commit 6beefccfa5
2 files changed
+15
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core/libs/prx/libc/src/Strings.cpp
+7
View File
@@ -400,6 +400,13 @@ size_t APS5_VABI wcslen_nid_postfix(const char16_t* s) {
return Length(s);
}
size_t APS5_VABI wcsnlen_s_nid_postfix(const char16_t* s, size_t maxlen) {
if (!s) return 0;
size_t length = 0;
while (length < maxlen && s[length] != 0) ++length;
return length;
}
int APS5_VABI wcscmp_nid_postfix(const char16_t* s1, const char16_t* s2) {
for (; *s1 == *s2; ++s1, ++s2) {
if (*s1 == 0) return 0;
core/libs/tests/GuestWideStrings.cpp
+8
View File
@@ -15,6 +15,7 @@ int APS5_VABI wmemcmp_nid_postfix(const char16_t* s1, const char16_t* s2, std::s
char16_t* APS5_VABI wmemcpy_nid_postfix(char16_t* dest, const char16_t* src, std::size_t n);
char16_t* APS5_VABI wmemmove_nid_postfix(char16_t* dest, const char16_t* src, std::size_t n);
std::size_t APS5_VABI wcslen_nid_postfix(const char16_t* s);
std::size_t APS5_VABI wcsnlen_s_nid_postfix(const char16_t* s, std::size_t maxlen);
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);
@@ -59,6 +60,13 @@ int main() {
require(wcslen_nid_postfix(u"héllo") == 5);
require(wcslen_nid_postfix(split) == 2);
require(wcsnlen_s_nid_postfix(nullptr, 10) == 0);
require(wcsnlen_s_nid_postfix(u"", 5) == 0);
require(wcsnlen_s_nid_postfix(u"héllo", 0) == 0);
require(wcsnlen_s_nid_postfix(u"héllo", 3) == 3);
require(wcsnlen_s_nid_postfix(u"héllo", 10) == 5);
require(wcsnlen_s_nid_postfix(split, 4) == 2);
require(wcscmp_nid_postfix(u"abc", u"abc") == 0);
require(wcscmp_nid_postfix(u"abc", u"abd") < 0);
require(wcscmp_nid_postfix(u"abd", u"abc") > 0);