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fclose, _Fofree

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Not confident on this one, but we'll see I guess.
This commit is contained in:
Stephen Miller 2026-02-10 14:30:35 -06:00
parent cb6a0ecd7d
commit 16b363959b
2 changed files with 43 additions and 0 deletions
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1
src/core/libraries/kernel/file_system.h
View File

@ -66,6 +66,7 @@ constexpr int ORBIS_KERNEL_O_DIRECT = 0x00010000;
constexpr int ORBIS_KERNEL_O_DIRECTORY = 0x00020000;
s32 PS4_SYSV_ABI posix_open(const char* path, s32 flags, u16 mode);
s32 PS4_SYSV_ABI posix_close(s32 fd);
s64 PS4_SYSV_ABI posix_lseek(s32 fd, s64 offset, s32 whence);
s64 PS4_SYSV_ABI sceKernelWrite(s32 fd, const void* buf, u64 nbytes);
s64 PS4_SYSV_ABI sceKernelRead(s32 fd, void* buf, u64 nbytes);

42
src/core/libraries/libc_internal/libc_internal_io.cpp
View File

@ -410,7 +410,48 @@ u64 PS4_SYSV_ABI internal_fread(char* ptr, u64 size, u64 nmemb, OrbisFILE* file)
return (total_size - remaining_size) / size;
}
void PS4_SYSV_ABI internal__Fofree(OrbisFILE* file) {
u8* cbuf_ptr = &file->_Cbuf;
s8 trunc_mode = static_cast<s8>(file->_Mode);
file->_Mode = 0;
file->_Handle = -1;
file->_Buf = cbuf_ptr;
file->_Next = cbuf_ptr;
file->_Rend = cbuf_ptr;
file->_WRend = cbuf_ptr;
file->_Wend = cbuf_ptr;
file->_WWend = cbuf_ptr;
file->_Rback = cbuf_ptr;
file->_WRback = &file->unk1;
if (trunc_mode < 0) {
// Remove file from vector
g_files.erase(std::next(g_files.begin(), file->_Idx - g_initial_files));
internal__Mtxdst(&file->_Mutex);
free(file);
}
}
s32 PS4_SYSV_ABI internal_fclose(OrbisFILE* file) {
if (file == nullptr) {
return -1;
}
if ((file->_Mode & 3) == 0 || file->_Handle < 0) {
std::scoped_lock lk{g_file_mtx};
internal__Fofree(file);
*Libraries::Kernel::__Error() = POSIX_EBADF;
} else {
s32 fflush_result = internal_fflush(file);
std::scoped_lock lk{g_file_mtx};
if ((file->_Mode & 0x40) != 0) {
std::free(file->_Buf);
}
file->_Buf = nullptr;
s32 close_result = Libraries::Kernel::posix_close(file->_Handle);
internal__Fofree(file);
// Need to figure out what exactly this means.
return ~-(close_result == 0) | fflush_result;
}
return 0;
}
@ -423,6 +464,7 @@ void RegisterlibSceLibcInternalIo(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("A+Y3xfrWLLo", "libSceLibcInternal", 1, "libSceLibcInternal", internal__Fspos);
LIB_FUNCTION("Ss3108pBuZY", "libSceLibcInternal", 1, "libSceLibcInternal", internal__Nnl);
LIB_FUNCTION("9s3P+LCvWP8", "libSceLibcInternal", 1, "libSceLibcInternal", internal__Frprep);
LIB_FUNCTION("jVDuvE3s5Bs", "libSceLibcInternal", 1, "libSceLibcInternal", internal__Fofree);
LIB_FUNCTION("vZkmJmvqueY", "libSceLibcInternal", 1, "libSceLibcInternal",
internal__Lockfilelock);
LIB_FUNCTION("0x7rx8TKy2Y", "libSceLibcInternal", 1, "libSceLibcInternal",