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-rw-r--r--lib/ext2fs/tst_libext2fs.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/ext2fs/tst_libext2fs.c b/lib/ext2fs/tst_libext2fs.c
new file mode 100644
index 0000000..4c86464
--- /dev/null
+++ b/lib/ext2fs/tst_libext2fs.c
@@ -0,0 +1,72 @@
+/*
+ * tst_libext2fs.c
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#include "ext2_fs.h"
+#include "ext2fsP.h"
+
+#include "ss/ss.h"
+#include "debugfs.h"
+
+/*
+ * Hook in new commands into debugfs
+ * Override debugfs's prompt
+ */
+const char *debug_prog_name = "tst_libext2fs";
+extern ss_request_table libext2fs_cmds;
+ss_request_table *extra_cmds = &libext2fs_cmds;
+
+static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
+ blk64_t *blocknr, e2_blkcnt_t blockcnt,
+ blk64_t ref_block, int ref_offset,
+ void *private EXT2FS_ATTR((unused)))
+{
+ printf("%6lld %8llu (%d %llu)\n", (long long) blockcnt,
+ (unsigned long long) *blocknr, ref_offset,
+ (unsigned long long) ref_block);
+ return 0;
+}
+
+
+void do_block_iterate(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ const char *usage = "block_iterate <file> <flags";
+ ext2_ino_t ino;
+ int err = 0;
+ int flags = 0;
+
+ if (common_args_process(argc, argv, 2, 3, argv[0], usage, 0))
+ return;
+
+ ino = string_to_inode(argv[1]);
+ if (!ino)
+ return;
+
+ if (argc > 2) {
+ flags = parse_ulong(argv[2], argv[0], "flags", &err);
+ if (err)
+ return;
+ }
+ flags |= BLOCK_FLAG_READ_ONLY;
+
+ ext2fs_block_iterate3(current_fs, ino, flags, NULL,
+ print_blocks_proc, NULL);
+ putc('\n', stdout);
+}