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Remove redundant file operation functions

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EnderIce2
2024-04-01 04:36:11 +03:00
parent bbb67b6a88
commit a49e5e9913
15 changed files with 153 additions and 320 deletions
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6
storage/README.md
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@ -22,12 +22,6 @@
- **user <=> ref_node.cpp**
- Manages the file descriptor table for user processes
<br>
- `kernel_io.cpp`
- **kernel <=> file_descriptor.cpp**
- Performs a similar role as `file_descriptor.cpp` but for kernel processes
### /storage/fs
This directory contains the implementations of various file systems, such as `fat32.cpp` and `ustar.cpp`.

130
storage/kernel_io.cpp
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@ -1,130 +0,0 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <filesystem.hpp>
#include <errno.h>
#include "../kernel.h"
using Tasking::PCB;
using vfs::FileDescriptorTable;
static bool CheckForScheduler()
{
if (TaskManager == nullptr)
return false;
return true;
}
int fopen(const char *pathname, const char *mode)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
int fd = fdt->_open(pathname, ConvertFileFlags(mode), 0666);
return fd;
}
int creat(const char *pathname, mode_t mode)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
int fd = fdt->_creat(pathname, mode);
return fd;
}
ssize_t fread(int fd, void *buf, size_t count)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
ssize_t ret = fdt->_read(fd, buf, count);
return ret;
}
ssize_t fwrite(int fd, const void *buf, size_t count)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
ssize_t ret = fdt->_write(fd, buf, count);
return ret;
}
int fclose(int fd)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
int ret = fdt->_close(fd);
return ret;
}
off_t lseek(int fd, off_t offset, int whence)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
off_t ret = fdt->_lseek(fd, offset, whence);
return ret;
}
int stat(const char *pathname, struct stat *statbuf)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
int ret = fdt->_stat(pathname, statbuf);
return ret;
}
int fstat(int fd, struct stat *statbuf)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
int ret = fdt->_fstat(fd, statbuf);
return ret;
}
int lstat(const char *pathname, struct stat *statbuf)
{
if (!CheckForScheduler())
return -ENOSYS;
PCB *pcb = thisProcess;
FileDescriptorTable *fdt = pcb->FileDescriptors;
int ret = fdt->_lstat(pathname, statbuf);
return ret;
}