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added lseek in file_system

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georgemoralis 2024-03-14 17:59:26 +02:00
parent ec988b7bea
commit 28a5b1f0b3
2 changed files with 25 additions and 0 deletions
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24
src/core/hle/libraries/libkernel/file_system.cpp
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@ -51,10 +51,34 @@ size_t PS4_SYSV_ABI _readv(int d, const SceKernelIovec* iov, int iovcnt) {
return total_read;
}
s64 PS4_SYSV_ABI lseek(int d, s64 offset, int whence) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(d);
file->m_mutex.lock();
if (whence == 1) {
offset = static_cast<int64_t>(file->f.Tell()) + offset;
whence = 0;
}
if (whence == 2) {
offset = static_cast<int64_t>(file->f.GetSize()) + offset;
whence = 0;
}
file->f.Seek(offset);
auto pos = static_cast<int64_t>(file->f.Tell());
file->m_mutex.unlock();
return pos;
}
void fileSystemSymbolsRegister(Loader::SymbolsResolver* sym) {
LIB_FUNCTION("1G3lF1Gg1k8", "libkernel", 1, "libkernel", 1, 1, sceKernelOpen);
LIB_FUNCTION("wuCroIGjt2g", "libScePosix", 1, "libkernel", 1, 1, posix_open);
LIB_FUNCTION("+WRlkKjZvag", "libkernel", 1, "libkernel", 1, 1, _readv);
LIB_FUNCTION("Oy6IpwgtYOk", "libkernel", 1, "libkernel", 1, 1, lseek);
// openOrbis (to check if it is valid out of OpenOrbis
LIB_FUNCTION("6c3rCVE-fTU", "libkernel", 1, "libkernel", 1, 1,

1
src/core/hle/libraries/libkernel/file_system.h
View file

@ -19,6 +19,7 @@ struct SceKernelIovec {
int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, /* SceKernelMode*/ u16 mode);
int PS4_SYSV_ABI posix_open(const char* path, int flags, /* SceKernelMode*/ u16 mode);
s64 PS4_SYSV_ABI lseek(int d, s64 offset, int whence);
void fileSystemSymbolsRegister(Loader::SymbolsResolver* sym);