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Implement posix_ftruncate

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Implements posix_ftruncate and fixes errno behavior for sceKernelFtruncate
This commit is contained in:
Stephen Miller 2025-02-17 19:47:45 -06:00
parent 0032531856
commit 12af813b7c
1 changed files with 36 additions and 20 deletions
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56
src/core/libraries/kernel/file_system.cpp
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@ -609,6 +609,42 @@ s32 PS4_SYSV_ABI sceKernelFstat(s32 fd, OrbisKernelStat* sb) {
return result;
}
s32 PS4_SYSV_ABI posix_ftruncate(s32 fd, s64 length) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(fd);
if (file == nullptr) {
*__Error() = POSIX_EBADF;
return -1;
}
if (file->type == Core::FileSys::FileType::Device) {
s32 result = file->device->ftruncate(length);
if (result < 0) {
ErrSceToPosix(result);
return -1;
}
return result;
}
if (file->m_host_name.empty()) {
*__Error() = POSIX_EACCES;
return -1;
}
file->f.SetSize(length);
return ORBIS_OK;
}
s32 PS4_SYSV_ABI sceKernelFtruncate(s32 fd, s64 length) {
s32 result = posix_ftruncate(fd, length);
if (result < 0) {
LOG_ERROR(Kernel_Fs, "error = {}", *__Error());
return ErrnoToSceKernelError(*__Error());
}
return result;
}
s64 PS4_SYSV_ABI sceKernelPreadv(int d, SceKernelIovec* iov, int iovcnt, s64 offset) {
if (d < 3) {
return ORBIS_KERNEL_ERROR_EPERM;
@ -672,26 +708,6 @@ s32 PS4_SYSV_ABI posix_fsync(int fd) {
return result;
}
int PS4_SYSV_ABI sceKernelFtruncate(int fd, s64 length) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(fd);
if (file == nullptr) {
return ORBIS_KERNEL_ERROR_EBADF;
}
if (file->type == Core::FileSys::FileType::Device) {
return file->device->ftruncate(length);
}
if (file->m_host_name.empty()) {
return ORBIS_KERNEL_ERROR_EACCES;
}
file->f.SetSize(length);
return ORBIS_OK;
}
static int GetDents(int fd, char* buf, int nbytes, s64* basep) {
if (fd < 3) {
return ORBIS_KERNEL_ERROR_EBADF;