add stat

inc/fs.h

@@ -54,6 +54,7 @@ int fs_use(void *d);
 int fs_mkfs(void *d);
 int fs_ls(void *d);
 int fs_la(void *d);
+int fs_stat(void *d);
 int fs_rm(void *d);
 int fs_open(void *d);
 int fs_seek(void *d);

src/cli.c

@@ -15,7 +15,7 @@ static const struct CliCommandEntry cmd[] = {
 	// mandatory commands
 	{"mkfs", 1, (enum CliArgType[]) {INT}, fs_mkfs},
 	{"create", 1, (enum CliArgType[]) {STR}, fs_create},
-	//{"stat", 1, (enum CliArgType[]) {STR}, fs_stat},
+	{"stat", 1, (enum CliArgType[]) {STR}, fs_stat},
 	{"ls", 0, NULL, fs_ls},
 	{"ln", 2, (enum CliArgType[]) {STR, STR}, fs_ln},
 	{"rm", 1, (enum CliArgType[]) {STR}, fs_rm},

src/fs.c

@@ -1314,6 +1314,36 @@ int fs_la(void *d)
 	return 0;
 }
 
+int fs_stat(void *d)
+{
+	char *fname = *((char **) d);
+
+	int file_inode_ptr;
+	{
+		int *r = find_filename_in_directory(fs_cwd_inode_ptr, fname);
+		if (r == NULL) {
+			pr_err("no such file: '%s'\n", fname);
+			return 0;
+		}
+
+		file_inode_ptr = r[2];
+		free(r);
+	}
+
+	struct fs_inode f;
+	read_block(read_inode_ptr(file_inode_ptr), (void *) &f);
+
+	if (f.ftype == DIRECTORY) {
+		pr_stdout("inode_ptr=%d -> inode=%d\nref_count=%d\nsize=%d\ntype=dir\n",
+				file_inode_ptr, read_inode_ptr(file_inode_ptr), f.ref_count, f.size);
+	} else {
+		pr_stdout("inode_ptr=%d -> inode=%d\nref_count=%d\nsize=%d\ntype=reg\n",
+				file_inode_ptr, read_inode_ptr(file_inode_ptr), f.ref_count, f.size);
+	}
+
+	return 0;
+}
+
 int fs_use(void *d)
 {
 	char *fname = *((char **) d);