Many files:
Checkin of e2fsprogs 0.5b
diff --git a/debugfs/ncheck.c b/debugfs/ncheck.c
new file mode 100644
index 0000000..062e7c5
--- /dev/null
+++ b/debugfs/ncheck.c
@@ -0,0 +1,173 @@
+/*
+ * ncheck.c --- given a list of inodes, generate a list of names
+ *
+ * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed
+ * under the terms of the GNU Public License.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <time.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "debugfs.h"
+
+struct inode_info {
+ ino_t ino;
+ ino_t parent;
+ char *pathname;
+};
+
+struct inode_walk_struct {
+ struct inode_info *iarray;
+ int inodes_left;
+ int num_inodes;
+ int position;
+ ino_t parent;
+};
+
+int ncheck_proc(struct ext2_dir_entry *dirent,
+ int offset,
+ int blocksize,
+ char *buf,
+ void *private)
+{
+ struct inode_walk_struct *iw = (struct inode_walk_struct *) private;
+ int i;
+
+ iw->position++;
+ if (iw->position <= 2)
+ return 0;
+ for (i=0; i < iw->num_inodes; i++) {
+ if (iw->iarray[i].ino == dirent->inode) {
+ iw->iarray[i].parent = iw->parent;
+ iw->inodes_left--;
+ }
+ }
+ if (!iw->inodes_left)
+ return DIRENT_ABORT;
+
+ return 0;
+}
+
+void do_ncheck(int argc, char **argv)
+{
+ struct inode_walk_struct iw;
+ struct inode_info *iinfo;
+ int i;
+ ext2_inode_scan scan = 0;
+ ino_t ino;
+ struct ext2_inode inode;
+ errcode_t retval;
+ char *tmp;
+
+ if (argc < 2) {
+ com_err(argv[0], 0, "Usage: ncheck <inode number> ...");
+ return;
+ }
+ if (check_fs_open(argv[0]))
+ return;
+
+ iw.iarray = malloc(sizeof(struct inode_info) * argc);
+ if (!iw.iarray) {
+ com_err("do_ncheck", ENOMEM,
+ "while allocating inode info array");
+ return;
+ }
+ memset(iw.iarray, 0, sizeof(struct inode_info) * argc);
+
+ for (i=1; i < argc; i++) {
+ iw.iarray[i-1].ino = strtol(argv[i], &tmp, 0);
+ if (*tmp) {
+ com_err(argv[0], 0, "Bad inode - %s", argv[i]);
+ return;
+ }
+ }
+
+ iw.num_inodes = iw.inodes_left = argc-1;
+
+ retval = ext2fs_open_inode_scan(fs, 0, &scan);
+ if (retval) {
+ com_err("ncheck", retval, "while opening inode scan");
+ goto error_out;
+ }
+
+ retval = ext2fs_get_next_inode(scan, &ino, &inode);
+ if (retval) {
+ com_err("ncheck", retval, "while starting inode scan");
+ goto error_out;
+ }
+
+ while (ino) {
+ if (!inode.i_links_count)
+ goto next;
+ /*
+ * To handle filesystems touched by 0.3c extfs; can be
+ * removed later.
+ */
+ if (inode.i_dtime)
+ goto next;
+ /* Ignore anything that isn't a directory */
+ if (!S_ISDIR(inode.i_mode))
+ goto next;
+
+ iw.position = 0;
+ iw.parent = ino;
+
+ retval = ext2fs_dir_iterate(fs, ino, 0, 0,
+ ncheck_proc, &iw);
+ if (retval) {
+ com_err("ncheck", retval,
+ "while calling ext2_dir_iterate");
+ goto next;
+ }
+
+ if (iw.inodes_left == 0)
+ break;
+
+ next:
+ retval = ext2fs_get_next_inode(scan, &ino, &inode);
+ if (retval) {
+ com_err("ncheck", retval,
+ "while doing inode scan");
+ goto error_out;
+ }
+ }
+
+ for (i=0, iinfo = iw.iarray; i < iw.num_inodes; i++, iinfo++) {
+ if (iinfo->parent == 0)
+ continue;
+ retval = ext2fs_get_pathname(fs, iinfo->parent,
+ iinfo->ino, &iinfo->pathname);
+ if (retval)
+ com_err("ncheck", retval,
+ "while resolving pathname for inode %d (%d)",
+ iinfo->parent, iinfo->ino);
+ }
+
+ printf("Inode\tPathname\n");
+ for (i=0, iinfo = iw.iarray; i < iw.num_inodes; i++, iinfo++) {
+ if (iinfo->parent == 0) {
+ printf("%ld\t<inode not found>\n", iinfo->ino);
+ continue;
+ }
+ printf("%ld\t%s\n", iinfo->ino, iinfo->pathname ?
+ iinfo->pathname : "<unknown pathname>");
+ if (iinfo->pathname)
+ free(iinfo->pathname);
+ }
+
+error_out:
+ free(iw.iarray);
+ if (scan)
+ ext2fs_close_inode_scan(scan);
+ return;
+}
+
+
+