[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/debugfs/unused.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/debugfs/unused.c
new file mode 100644
index 0000000..4cb1191
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/debugfs/unused.c
@@ -0,0 +1,58 @@
+/*
+ * unused.c --- quick and dirty unused space dumper
+ *
+ * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed
+ * under the terms of the GNU Public License.
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <time.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <sys/types.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+extern int optind;
+extern char *optarg;
+#endif
+
+#include "debugfs.h"
+
+void do_dump_unused(int argc EXT2FS_ATTR((unused)), char **argv)
+{
+ blk64_t blk;
+ unsigned char buf[EXT2_MAX_BLOCK_SIZE];
+ unsigned int i;
+ errcode_t retval;
+
+ if (common_args_process(argc, argv, 1, 1,
+ "dump_unused", "", 0))
+ return;
+
+ for (blk=current_fs->super->s_first_data_block;
+ blk < ext2fs_blocks_count(current_fs->super); blk++) {
+ if (ext2fs_test_block_bitmap2(current_fs->block_map,blk))
+ continue;
+ retval = io_channel_read_blk64(current_fs->io, blk, 1, buf);
+ if (retval) {
+ com_err(argv[0], retval, "While reading block\n");
+ return;
+ }
+ for (i=0; i < current_fs->blocksize; i++)
+ if (buf[i])
+ break;
+ if (i >= current_fs->blocksize)
+ continue;
+ printf("\nUnused block %llu contains non-zero data:\n\n",
+ blk);
+ for (i=0; i < current_fs->blocksize; i++)
+ fputc(buf[i], stdout);
+ }
+}