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internal__Fofind

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This commit is contained in:
Stephen Miller 2026-02-04 20:32:15 -06:00
parent 304d04a100
commit cc3d92e675
1 changed files with 46 additions and 2 deletions
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48
src/core/libraries/libc_internal/libc_internal_io.cpp
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@ -9,6 +9,8 @@
#include "common/logging/log.h"
#include "core/libraries/error_codes.h"
#include "core/libraries/kernel/file_system.h"
#include "core/libraries/kernel/kernel.h"
#include "core/libraries/kernel/posix_error.h"
#include "core/libraries/libs.h"
#include "libc_internal_io.h"
#include "printf.h"
@ -24,11 +26,53 @@ void RegisterlibSceLibcInternalIo(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("eLdDw6l0-bU", "libSceLibcInternal", 1, "libSceLibcInternal", internal_snprintf);
}
std::vector<OrbisFILE*> g_files{};
// Constants for tracking accurate file indexes.
// Since the file struct is exposed to the application, accuracy is important.
static constexpr s32 g_initial_files = 5;
static constexpr s32 g_max_files = 0x100 - g_initial_files;
OrbisFILE* PS4_SYSV_ABI internal__Fofind() {
u64 index = 0;
while (index != g_max_files) {
OrbisFILE* file = g_files.at(index);
// If file doesn't exist, create it.
if (file == nullptr) {
file = new OrbisFILE();
if (file == nullptr) {
return nullptr;
}
// Store new file in the array, initialize default values, and return it.
g_files.at(index) = file;
file->_Mode = 0x80;
file->_Idx = index + g_initial_files;
return file;
}
// Special case, files with mode 0 are returned?
if (file->_Mode == 0) {
file->_Mode = 0xff7f;
return file;
}
index++;
}
return nullptr;
}
OrbisFILE* PS4_SYSV_ABI internal__Foprep(const char* path, const char* mode, OrbisFILE* file,
s32 fd, s32 flag1, s32 flag2) {
if (file == nullptr) {
*Kernel::__Error() = POSIX_ENOMEM;
}
file->_Handle = -1;
// TODO: The rest of this.
return file;
}
OrbisFILE* PS4_SYSV_ABI internal_fopen(const char* path, const char* mode) {
std::scoped_lock lk{g_stream_mtx};
return nullptr;
}