Merge remote-tracking branch 'Kernel/master'

2025-07-02 10:59:15 +00:00 · 2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
--- a/Kernel/kshell/commands/ls.cpp
+++ b/Kernel/kshell/commands/ls.cpp
@ -0,0 +1,135 @@
+/*
+	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;
+
+const char *ColorNodeType(FileNode *node)
+{
+	if (node->IsRegularFile())
+		return "\x1b[32m";
+	else if (node->IsDirectory())
+		return "\x1b[34m";
+	else if (node->IsBlockDevice())
+		return "\x1b[33m";
+	else if (node->IsCharacterDevice())
+		return "\x1b[33m";
+	else if (node->IsFIFO())
+		return "\x1b[33m";
+	else if (node->IsSymbolicLink())
+		return "\x1b[35m";
+	else
+		return "\x1b[0m";
+}
+
+__no_sanitize("alignment") size_t MaxNameLength(FileNode *nodes)
+{
+	size_t maxLength = 0;
+
+	kdirent *dirBuffer = new kdirent[16];
+	ssize_t read = 0;
+	off_t offset = 0;
+	while ((read = nodes->ReadDir(dirBuffer, sizeof(kdirent) * 16, offset, LONG_MAX)) > 0)
+	{
+		if (read / sizeof(kdirent) == 0)
+			break;
+
+		off_t bufOffset = 0;
+		debug("There are %ld entries in this directory", read / sizeof(kdirent));
+		for (size_t i = 0; i < read / sizeof(kdirent); i++)
+		{
+			kdirent *dirent = (kdirent *)((uintptr_t)dirBuffer + bufOffset);
+			if (dirent->d_reclen == 0)
+				break;
+			bufOffset += dirent->d_reclen;
+			maxLength = std::max(maxLength, strlen(dirent->d_name));
+			debug("dirent->d_name: %s (max length: %ld)", dirent->d_name, maxLength);
+		}
+		offset += read / sizeof(kdirent);
+	}
+	delete[] dirBuffer;
+	return maxLength;
+}
+
+__no_sanitize("alignment") void PrintLS(FileNode *node)
+{
+	size_t maxNameLength = MaxNameLength(node);
+	int count = 0;
+	bool first = true;
+
+	kdirent *dirBuffer = new kdirent[16];
+	ssize_t read = 0;
+	off_t offset = 0;
+	while ((read = node->ReadDir(dirBuffer, sizeof(kdirent) * 16, offset, LONG_MAX)) > 0)
+	{
+		if (read / sizeof(kdirent) == 0)
+			break;
+
+		off_t bufOffset = 0;
+		for (size_t i = 0; i < read / sizeof(kdirent); i++)
+		{
+			if (count % 5 == 0 && !first)
+				printf("\n");
+			kdirent *dirent = (kdirent *)((uintptr_t)dirBuffer + bufOffset);
+			if (dirent->d_reclen == 0)
+				break;
+			bufOffset += dirent->d_reclen;
+			printf(" %s%-*s ", ColorNodeType(node), (int)maxNameLength, dirent->d_name);
+			count++;
+			first = false;
+		}
+		offset += read / sizeof(kdirent);
+	}
+
+	printf("\x1b[0m\n");
+	delete[] dirBuffer;
+}
+
+void cmd_ls(const char *args)
+{
+	if (args[0] == '\0')
+	{
+		FileNode *rootNode = thisProcess->CWD;
+
+		if (rootNode == nullptr)
+			rootNode = fs->GetRoot(0);
+
+		PrintLS(rootNode);
+		return;
+	}
+
+	FileNode *thisNode = fs->GetByPath(args, nullptr);
+
+	if (thisNode == nullptr)
+	{
+		printf("ls: %s: No such file or directory\n", args);
+		return;
+	}
+
+	if (!thisNode->IsDirectory())
+	{
+		printf("%s%s\n", ColorNodeType(thisNode), thisNode->Path.c_str());
+		return;
+	}
+
+	PrintLS(thisNode);
+}