From da83c964d3a7cc597ce1b0b0a1c4a28dd4df6e6e Mon Sep 17 00:00:00 2001
From: Bob Copeland <me@bobcopeland.com>
Date: Fri, 19 Sep 2008 21:18:03 -0400
Subject: [PATCH] Add dump program to the repo

---
 dump.c     | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 dump.h     |  6 ++++++
 omfsdump.c | 26 +++++++++++++++++++++++
 3 files changed, 103 insertions(+)
 create mode 100644 dump.c
 create mode 100644 dump.h
 create mode 100644 omfsdump.c

diff --git a/dump.c b/dump.c
new file mode 100644
index 0000000..e266295
--- /dev/null
+++ b/dump.c
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include "omfs.h"
+#include "dirscan.h"
+#include "check.h"
+#include "crc.h"
+#include "fix.h"
+#include "bits.h"
+#include "io.h"
+
+static int on_node(dirscan_t *d, dirscan_entry_t *entry, void *user)
+{
+	char *name = escape(entry->inode->i_name);
+
+	printf("inode: %*c%s%c s:%llx h:%d c:%d p:%llx b:%llx\n", 
+		entry->level*2, ' ', name,
+		(entry->inode->i_type == OMFS_DIR) ? '/' : ' ',
+		swap_be64(entry->inode->i_head.h_self), entry->hindex,
+		swap_be16(entry->inode->i_head.h_crc), 
+		entry->parent, entry->block); 
+	free(name);
+
+	return 0;
+}
+
+int dump_fs(FILE *fp)
+{
+	int bsize;
+	omfs_super_t super;
+	omfs_root_t root;
+	omfs_info_t info = { 
+		.dev = fp, 
+		.super = &super,
+		.root = &root
+	};
+
+	if (omfs_read_super(&info))
+	{
+		printf ("Could not read super block\n");
+		return 0;
+	}
+	printf("Filesystem volume name: %s\n", super.s_name);
+	printf("Filesystem magic number: 0x%x\n", swap_be32(super.s_magic));
+	printf("First block: 0x%llx\n", swap_be64(super.s_root_block));
+	printf("Block count: 0x%llx\n", swap_be64(super.s_num_blocks));
+	printf("Block size: %d\n", swap_be32(super.s_blocksize));
+	printf("Inode block size: %d\n", swap_be32(super.s_sys_blocksize));
+	printf("Mirrors: %d\n", swap_be32(super.s_mirrors));
+	putchar('\n');
+
+	if (omfs_read_root_block(&info))
+	{
+		printf ("Could not read root block\n");
+		return 0;
+	}
+	printf("Root block size: %d\n", swap_be32(info.root->r_blocksize));
+	printf("Cluster size: %d\n", swap_be32(info.root->r_clustersize));
+	printf("Root mirrors: %d\n", swap_be32(info.root->r_mirrors));
+
+	bsize = (swap_be64(info.super->s_num_blocks) + 7) / 8;
+
+	if (dirscan_begin(&info, on_node, NULL) != 0)
+	{
+		printf("Dirscan failed\n");
+		return 0;
+	}
+	return 1;
+}
diff --git a/dump.h b/dump.h
new file mode 100644
index 0000000..53e1d51
--- /dev/null
+++ b/dump.h
@@ -0,0 +1,6 @@
+#ifndef _DUMP_H
+#define _DUMP_H
+#include <stdio.h>
+
+int dump_fs(FILE *fp);
+#endif
diff --git a/omfsdump.c b/omfsdump.c
new file mode 100644
index 0000000..615e9d1
--- /dev/null
+++ b/omfsdump.c
@@ -0,0 +1,26 @@
+/*
+ *  Filesystem check for OMFS
+ */
+#include <stdlib.h>
+#include "dump.h"
+
+int main(int argc, char *argv[])
+{
+	FILE *fp;
+
+	if (argc < 2)
+	{
+		fprintf(stderr, "Usage: %s <device>\n", argv[0]);
+		exit(1);
+	}
+
+	fp = fopen(argv[1], "rb");
+	if (!fp)
+	{
+		perror("omfsdump: ");
+		exit(2);
+	}
+
+    dump_fs(fp);
+    return 0;
+}
-- 
2.11.4.GIT