--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpffs/ls.c	Sun Jun 30 06:28:58 2013 +0000
@@ -0,0 +1,89 @@
+/*
+ * This module contains the main function and other code specific to mpffs-ls
+ */
+
+#include <sys/types.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "types.h"
+#include "struct.h"
+
+extern char *imgfile;
+extern struct objinfo root;
+extern int verbose;
+
+char workpath[512];
+
+u_long
+get_file_size(head)
+	struct objinfo *head;
+{
+	return(0);	/* stub, remains to be implemented */
+}
+
+dump_dir(firstent, path_prefix)
+{
+	int ent;
+	struct objinfo obj;
+	u_long size;
+
+	for (ent = firstent; ent != 0xFFFF; ent = obj.sibling) {
+		obj.entryno = ent;
+		get_index_entry(&obj);
+		if (!obj.type) /* skip deleted objects w/o further validation */
+			continue;
+		validate_chunk(&obj);
+		validate_obj_name(&obj);
+		if (path_prefix + strlen(obj.dataptr) + 2 > sizeof workpath) {
+			fprintf(stderr,
+	"handling object at index %x, name \"%s\": path buffer overflow\n",
+				obj.entryno, (char *)obj.dataptr);
+			exit(1);
+		}
+		sprintf(workpath + path_prefix, "/%s", (char *)obj.dataptr);
+		switch (obj.type) {
+		case 0xF2:
+			/* directory */
+			printf("d         %s\n", workpath);
+			dump_dir(obj.descend, strlen(workpath));
+			continue;
+		case 0xF1:
+			/* regular file */
+			size = get_file_size(&obj);
+			printf("- %7lu %s\n", size, workpath);
+			continue;
+		case 0xE1:
+			/* special .journal file */
+			printf("j         %s\n", workpath);
+			continue;
+		default:
+		printf("%s (index entry #%x): unexpected type %02X; skipping\n",
+				workpath, obj.entryno, obj.type);
+			continue;
+		}
+	}
+}
+
+usage()
+{
+	fprintf(stderr, "usage: mpffs-ls [options] ffs-image\n");
+	exit(1);
+}
+
+main(argc, argv)
+	char **argv;
+{
+	extern int optind;
+
+	parse_cmdline_options(argc, argv);
+	if (argc - optind != 1)
+		usage();
+	imgfile = argv[optind];
+	preliminaries();
+	dump_dir(root.descend, 0);
+	exit(0);
+}