2024-01-19 06:47:42 +02:00

58 lines
1.4 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 <filesystem.hpp>
#include "../../kernel.h"
using namespace vfs;
void cmd_cat(const char *args)
{
if (args[0] == '\0')
return;
Node *thisNode = fs->GetNodeFromPath(args, thisProcess->CurrentWorkingDirectory);
if (thisNode == nullptr)
{
printf("cat: %s: No such file or directory\n", args);
return;
}
if (thisNode->Type != NodeType::FILE &&
thisNode->Type != NodeType::CHARDEVICE)
{
printf("cat: %s: Not a file\n", args);
return;
}
int fd = fopen(thisNode->FullPath, "r");
struct stat st;
fstat(fd, &st);
char *buffer = new char[st.st_size + 1];
ssize_t rBytes = fread(fd, buffer, st.st_size);
if (rBytes > 0)
printf("%s\n", buffer);
else
printf("cat: %s: Could not read file\n", args);
delete[] buffer;
fclose(fd);
}