mirror of
https://github.com/EnderIce2/Fennix.git
synced 2025-05-25 22:14:34 +00:00
EnderIce2
557c7e6235
This is the fourth time re-writing the VFS, hope this will be the last. Tried to make it as modular as possible so this won't be necessary in the future. 🙏
This change required the entire kernel code to be modified.
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/*
|
|
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 "../cmds.hpp"
|
|
|
|
#include <fs/vfs.hpp>
|
|
|
|
#include "../../kernel.h"
|
|
|
|
using namespace vfs;
|
|
|
|
void cmd_cat(const char *args)
|
|
{
|
|
if (args[0] == '\0')
|
|
return;
|
|
|
|
Node node = fs->Lookup(thisProcess->CWD, args);
|
|
|
|
if (node == nullptr)
|
|
{
|
|
printf("cat: %s: No such file or directory\n", args);
|
|
return;
|
|
}
|
|
|
|
if (!node->IsRegularFile() && !node->IsCharacterDevice())
|
|
{
|
|
printf("cat: %s: Not a regular file or character device\n", args);
|
|
return;
|
|
}
|
|
|
|
if (node->IsCharacterDevice())
|
|
{
|
|
printf("cat: %s: Character devices are not supported yet\n", args);
|
|
return;
|
|
}
|
|
|
|
kstat stat;
|
|
fs->Stat(node, &stat);
|
|
|
|
uint8_t *buffer = new uint8_t[stat.Size + 1];
|
|
ssize_t rBytes = fs->Read(node, buffer, stat.Size, 0);
|
|
if (rBytes > 0)
|
|
printf("%s\n", buffer);
|
|
else
|
|
printf("cat: %s: Could not read file\n", args);
|
|
delete[] buffer;
|
|
}
|