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[Kernel] Implement RtlCopyString, RtlCopyUnicodeString.

This commit is contained in:
gibbed 2018-11-19 20:43:04 -06:00
parent 95701f188d
commit 4f50e0e6c7
1 changed files with 34 additions and 0 deletions
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34
src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
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@ -186,6 +186,40 @@ void RtlFreeUnicodeString(pointer_t<X_UNICODE_STRING> string) {
}
DECLARE_XBOXKRNL_EXPORT(RtlFreeUnicodeString, ExportTag::kImplemented);
void RtlCopyString(pointer_t<X_ANSI_STRING> destination,
pointer_t<X_ANSI_STRING> source) {
if (!source) {
destination->length = 0;
return;
}
auto length = std::min(destination->maximum_length, source->length);
if (length > 0) {
auto dst_buf = kernel_memory()->TranslateVirtual(destination->pointer);
auto src_buf = kernel_memory()->TranslateVirtual(source->pointer);
std::memcpy(dst_buf, src_buf, length);
}
destination->length = length;
}
DECLARE_XBOXKRNL_EXPORT(RtlCopyString, ExportTag::kImplemented);
void RtlCopyUnicodeString(pointer_t<X_UNICODE_STRING> destination,
pointer_t<X_UNICODE_STRING> source) {
if (!source) {
destination->length = 0;
return;
}
auto length = std::min(destination->maximum_length, source->length);
if (length > 0) {
auto dst_buf = kernel_memory()->TranslateVirtual(destination->pointer);
auto src_buf = kernel_memory()->TranslateVirtual(source->pointer);
std::memcpy(dst_buf, src_buf, length * 2);
}
destination->length = length;
}
DECLARE_XBOXKRNL_EXPORT(RtlCopyUnicodeString, ExportTag::kImplemented);
// http://msdn.microsoft.com/en-us/library/ff562969
dword_result_t RtlUnicodeStringToAnsiString(
pointer_t<X_ANSI_STRING> destination_ptr,