mirror of
https://github.com/Fennix-Project/Kernel.git
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56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "../cmds.hpp"
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#include <filesystem.hpp>
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#include "../../kernel.h"
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using namespace VirtualFileSystem;
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void cmd_cat(const char *args)
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{
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if (args[0] == '\0')
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return;
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Node *thisNode = vfs->GetNodeFromPath(args, thisProcess->CurrentWorkingDirectory);
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if (thisNode == nullptr)
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{
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printf("cat: %s: No such file or directory\n", args);
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return;
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}
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if (thisNode->Flags != NodeFlags::FILE &&
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thisNode->Flags != NodeFlags::CHARDEVICE)
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{
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printf("cat: %s: Not a file\n", args);
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return;
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}
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std::string path = vfs->GetPathFromNode(thisNode);
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int fd = fopen(path.c_str(), "r");
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struct stat st;
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fstat(fd, &st);
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char *buffer = new char[st.st_size + 1];
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fread(fd, buffer, st.st_size);
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printf("%s\n", buffer);
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delete[] buffer;
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fclose(fd);
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}
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