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Merge remote-tracking branch 'Kernel/master'

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EnderIce2
2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
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61
Kernel/kshell/commands/cat.cpp Normal file
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/*
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 <filesystem.hpp>
#include "../../kernel.h"
using namespace vfs;
void cmd_cat(const char *args)
{
if (args[0] == '\0')
return;
FileNode *node = fs->GetByPath(args, nullptr);
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 = {};
node->Stat(&stat);
uint8_t *buffer = new uint8_t[stat.Size + 1];
ssize_t rBytes = node->Read(buffer, stat.Size, 0);
if (rBytes > 0)
printf("%s\n", buffer);
else
printf("cat: %s: Could not read file\n", args);
delete[] buffer;
}