From 391a904f46d96430c8462bf077708b7179f4810d Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Mon, 23 Jan 2006 21:38:06 +0000
Subject: [PATCH] Ken McGuire's patch to make mke2fs and e2fsck work on big
 endian systems like PPC, with an obligatory couple of swipes from me.

---
 e2fsprogs/Makefile.in     |  2 +-
 e2fsprogs/e2fsbb.h        |  6 ++++++
 e2fsprogs/e2fsck.c        | 11 +++++++++--
 e2fsprogs/ext2fs/ext2fs.h |  2 +-
 e2fsprogs/ext2fs/native.c | 27 ---------------------------
 5 files changed, 17 insertions(+), 31 deletions(-)
 delete mode 100644 e2fsprogs/ext2fs/native.c

diff --git a/e2fsprogs/Makefile.in b/e2fsprogs/Makefile.in
index c492c6779..6873e5adc 100644
--- a/e2fsprogs/Makefile.in
+++ b/e2fsprogs/Makefile.in
@@ -30,7 +30,7 @@ EXT2FS_SRC  := gen_bitmap.c bitops.c ismounted.c mkjournal.c unix_io.c \
 	       bb_inode.c newdir.c alloc_sb.c lookup.c dirblock.c expanddir.c \
 	       dir_iterate.c link.c res_gdt.c icount.c get_pathname.c dblist.c \
 	       dirhash.c version.c flushb.c unlink.c check_desc.c valid_blk.c \
-	       ext_attr.c bmap.c dblist_dir.c ext2fs_inline.c
+	       ext_attr.c bmap.c dblist_dir.c ext2fs_inline.c swapfs.c
 EXT2FS_SRCS := $(patsubst %,ext2fs/%, $(EXT2FS_SRC))
 EXT2FS_OBJS := $(patsubst %.c,%.o, $(EXT2FS_SRCS))
 
diff --git a/e2fsprogs/e2fsbb.h b/e2fsprogs/e2fsbb.h
index 6a3d28c69..f8ab0f493 100644
--- a/e2fsprogs/e2fsbb.h
+++ b/e2fsprogs/e2fsbb.h
@@ -54,4 +54,10 @@ typedef long errcode_t;
 #define HAVE_SYS_TYPES_H 1
 #define HAVE_UNISTD_H 1
 
+/* Endianness */
+#if __BYTE_ORDER== __BIG_ENDIAN
+#define ENABLE_SWAPFS 1
+#define WORDS_BIGENDIAN 1
+#endif
+
 #endif /* __E2FSBB_H__ */
diff --git a/e2fsprogs/e2fsck.c b/e2fsprogs/e2fsck.c
index 8b96b5068..94ba1ee5e 100644
--- a/e2fsprogs/e2fsck.c
+++ b/e2fsprogs/e2fsck.c
@@ -15674,9 +15674,16 @@ restart:
 	if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
 		fatal_error(ctx, 0);
 #ifdef ENABLE_SWAPFS
+
+#ifdef WORDS_BIGENDIAN
+#define NATIVE_FLAG EXT2_FLAG_SWAP_BYTES;
+#else
+#define NATIVE_FLAG 0;
+#endif
+
+
 	if (normalize_swapfs) {
-		if ((fs->flags & EXT2_FLAG_SWAP_BYTES) ==
-		    ext2fs_native_flag()) {
+		if ((fs->flags & EXT2_FLAG_SWAP_BYTES) == NATIVE_FLAG) {
 			fprintf(stderr, _("%s: Filesystem byte order "
 				"already normalized.\n"), ctx->device_name);
 			fatal_error(ctx, 0);
diff --git a/e2fsprogs/ext2fs/ext2fs.h b/e2fsprogs/ext2fs/ext2fs.h
index eda962239..e2e86579b 100644
--- a/e2fsprogs/ext2fs/ext2fs.h
+++ b/e2fsprogs/ext2fs/ext2fs.h
@@ -34,7 +34,7 @@ extern "C" {
  * has been configured or if we're being built on a CPU architecture
  * with a non-native byte order.
  */
-#if defined(ENABLE_SWAPFS) || defined(WORDS_BIGENDIAN)
+#if defined(ENABLE_SWAPFS) || defined(WORDS_BIGENDIAN) || __BYTE_ORDER== __BIG_ENDIAN
 #define EXT2FS_ENABLE_SWAPFS
 #endif
 
diff --git a/e2fsprogs/ext2fs/native.c b/e2fsprogs/ext2fs/native.c
deleted file mode 100644
index 85d098967..000000000
--- a/e2fsprogs/ext2fs/native.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * native.c --- returns the ext2_flag for a native byte order
- * 
- * Copyright (C) 1996 Theodore Ts'o.
- * 
- * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
- * %End-Header%
- */
-
-#include <stdio.h>
-
-#include "ext2_fs.h"
-#include "ext2fs.h"
-
-int ext2fs_native_flag(void)
-{
-#ifdef WORDS_BIGENDIAN
-	return EXT2_FLAG_SWAP_BYTES;
-#else
-	return 0;
-#endif
-}
-
-	
-