File 0001-build-provide-definitions-for-byteswapping... of Package f2fs-tools

Overview Repositories Revisions Requests Users Attributes Meta

File 0001-build-provide-definitions-for-byteswapping-on-big-en.patch of Package f2fs-tools (Revision 2db333cb563929f013beb9489763b2a3)

Currently displaying revision 2db333cb563929f013beb9489763b2a3 , Show latest

From 96c932cab4eeeb54a18782fd903f1977779d6921 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Tue, 23 Sep 2014 01:04:38 +0200
Subject: [PATCH] build: provide definitions for byteswapping on big-endian

[   31s] /bin/sh ../libtool  --tag=CC   --mode=link gcc -Wall -DWITH_BLKDISCARD -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g   -o mkfs.f2fs f2fs_format_main.o f2fs_format.o f2fs_format_utils.o -luuid  ../lib/libf2fs.la 
[   31s] libtool: link: gcc -Wall -DWITH_BLKDISCARD -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g -o .libs/mkfs.f2fs f2fs_format_main.o f2fs_format.o f2fs_format_utils.o  -luuid ../lib/.libs/libf2fs.so
[   31s] f2fs_format.o: In function `f2fs_prepare_super_block':
[   31s] /home/abuild/rpmbuild/BUILD/f2fs-tools/mkfs/f2fs_format.c:108: undefined reference to `bswap_32'
[   31s] /home/abuild/rpmbuild/BUILD/f2fs-tools/mkfs/f2fs_format.c:109: undefined reference to `bswap_16'
[   31s] /home/abuild/rpmbuild/BUILD/f2fs-tools/mkfs/f2fs_format.c:110: undefined reference to `bswap_16'

---
 include/f2fs_fs.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 6367e05..da1d5c0 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -34,6 +34,28 @@ typedef unsigned long	pgoff_t;
 #define cpu_to_le32(x)	((__u32)(x))
 #define cpu_to_le64(x)	((__u64)(x))
 #elif __BYTE_ORDER == __BIG_ENDIAN
+static inline uint16_t bswap_16(uint16_t x)
+{
+	return ((x << 8) & 0xff00) | ((x >> 8) & 0x00ff);
+}
+static inline uint32_t bswap_32(uint32_t x)
+{
+	return	((x << 24) & 0xff000000 ) |
+		((x <<  8) & 0x00ff0000 ) |
+		((x >>  8) & 0x0000ff00 ) |
+		((x >> 24) & 0x000000ff );
+}
+static inline uint64_t bswap_64(uint64_t x)
+{
+	return  ( (x << 56) & 0xff00000000000000UL ) |
+		( (x << 40) & 0x00ff000000000000UL ) |
+		( (x << 24) & 0x0000ff0000000000UL ) |
+		( (x <<  8) & 0x000000ff00000000UL ) |
+		( (x >>  8) & 0x00000000ff000000UL ) |
+		( (x >> 24) & 0x0000000000ff0000UL ) |
+		( (x >> 40) & 0x000000000000ff00UL ) |
+		( (x >> 56) & 0x00000000000000ffUL );
+}
 #define le16_to_cpu(x)	bswap_16(x)
 #define le32_to_cpu(x)	bswap_32(x)
 #define le64_to_cpu(x)	bswap_64(x)
-- 
2.0.0

Places

File 0001-build-provide-definitions-for-byteswapping-on-big-en.patch of Package f2fs-tools (Revision 2db333cb563929f013beb9489763b2a3)

Places