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Merge pull request #1304 from lioncash/str

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svc: Do nothing in svcOutputDebugString() if given a length of zero
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bunnei 2018-09-12 12:10:14 -04:00 committed by GitHub
commit 0821a210c4
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2 changed files with 7 additions and 3 deletions
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6
src/core/hle/kernel/svc.cpp
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@ -273,7 +273,11 @@ static void Break(u64 reason, u64 info1, u64 info2) {
}
/// Used to output a message on a debug hardware unit - does nothing on a retail unit
static void OutputDebugString(VAddr address, s32 len) {
static void OutputDebugString(VAddr address, u64 len) {
if (len == 0) {
return;
}
std::string str(len, '\0');
Memory::ReadBlock(address, str.data(), str.size());
LOG_DEBUG(Debug_Emulated, "{}", str);

4
src/core/hle/kernel/svc_wrap.h
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@ -222,9 +222,9 @@ void SvcWrap() {
func((s64)PARAM(0));
}
template <void func(u64, s32 len)>
template <void func(u64, u64 len)>
void SvcWrap() {
func(PARAM(0), (s32)(PARAM(1) & 0xFFFFFFFF));
func(PARAM(0), PARAM(1));
}
template <void func(u64, u64, u64)>