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forked from pool/util-linux

Accepting request 146536 from home:elvigia:branches:Base:System

- 0001-include-bitops.h-Use-the-operating-system-byteswappi.patch 
  Use OS byteswapping macros, this patch is functionally identical
  to the version submitted upstream with the exception it excludes
  code that target non-linux systems.

OBS-URL: https://build.opensuse.org/request/show/146536
OBS-URL: https://build.opensuse.org/package/show/Base:System/util-linux?expand=0&rev=148
This commit is contained in:
Andreas Jaeger 2013-01-03 07:44:27 +00:00 committed by Git OBS Bridge
parent b72a515ec3
commit 168e109a16
3 changed files with 118 additions and 1 deletions

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@ -0,0 +1,107 @@
From f47373c950e812208f5db14cf728a54c31f750bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cristian=20Rodr=C3=ADguez?= <crrodriguez@opensuse.org>
Date: Wed, 26 Dec 2012 14:30:48 -0300
Subject: [PATCH 1/2] include/bitops.h: Use the operating system byteswapping
functions
There is no need to reinvent the wheel.
---
include/bitops.h | 69 +++++++++++++++-----------------------------------------
1 file changed, 18 insertions(+), 51 deletions(-)
diff --git a/include/bitops.h b/include/bitops.h
index 81375d0..89b418c 100644
--- a/include/bitops.h
+++ b/include/bitops.h
@@ -8,6 +8,9 @@
*/
#include <sys/param.h>
+#include <byteswap.h>
+#include <endian.h>
+
#ifndef NBBY
# define NBBY CHAR_BIT
#endif
@@ -22,63 +25,27 @@
/*
* Byte swab macros (based on linux/byteorder/swab.h)
*/
-#define swab16(x) \
- ((uint16_t)( \
- (((uint16_t)(x) & (uint16_t)0x00ffU) << 8) | \
- (((uint16_t)(x) & (uint16_t)0xff00U) >> 8) ))
-
-#define swab32(x) \
- ((uint32_t)( \
- (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
- (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
- (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
- (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24) ))
-
-#define swab64(x) \
- ((uint64_t)( \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
- (uint64_t)(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56) ))
-
-
-#ifdef WORDS_BIGENDIAN
+#define swab16(x) bswap_16(x)
-#define cpu_to_le16(x) swab16(x)
-#define cpu_to_le32(x) swab32(x)
-#define cpu_to_le64(x) swab64(x)
-#define cpu_to_be16(x) ((uint16_t)(x))
-#define cpu_to_be32(x) ((uint32_t)(x))
-#define cpu_to_be64(x) ((uint64_t)(x))
+#define swab32(x) bswap_32(x)
-#define le16_to_cpu(x) swab16(x)
-#define le32_to_cpu(x) swab32(x)
-#define le64_to_cpu(x) swab64(x)
-#define be16_to_cpu(x) ((uint16_t)(x))
-#define be32_to_cpu(x) ((uint32_t)(x))
-#define be64_to_cpu(x) ((uint64_t)(x))
+#define swab64(x) bswap_64(x)
-#else /* !WORDS_BIGENDIAN */
+#define cpu_to_le16(x) htole16(x)
+#define cpu_to_le32(x) htole32(x)
+#define cpu_to_le64(x) htole64(x)
-#define cpu_to_le16(x) ((uint16_t)(x))
-#define cpu_to_le32(x) ((uint32_t)(x))
-#define cpu_to_le64(x) ((uint64_t)(x))
-#define cpu_to_be16(x) swab16(x)
-#define cpu_to_be32(x) swab32(x)
-#define cpu_to_be64(x) swab64(x)
+#define cpu_to_be16(x) htobe16(x)
+#define cpu_to_be32(x) htobe32(x)
+#define cpu_to_be64(x) htobe64(x)
-#define le16_to_cpu(x) ((uint16_t)(x))
-#define le32_to_cpu(x) ((uint32_t)(x))
-#define le64_to_cpu(x) ((uint64_t)(x))
-#define be16_to_cpu(x) swab16(x)
-#define be32_to_cpu(x) swab32(x)
-#define be64_to_cpu(x) swab64(x)
+#define le16_to_cpu(x) le16toh(x)
+#define le32_to_cpu(x) le32toh(x)
+#define le64_to_cpu(x) le64toh(x)
-#endif /* WORDS_BIGENDIAN */
+#define be16_to_cpu(x) be16toh(x)
+#define be32_to_cpu(x) be32toh(x)
+#define be64_to_cpu(x) be64toh(x)
#endif /* BITOPS_H */
--
1.8.0.2

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@ -1,3 +1,11 @@
-------------------------------------------------------------------
Fri Dec 28 04:30:58 UTC 2012 - crrodriguez@opensuse.org
- 0001-include-bitops.h-Use-the-operating-system-byteswappi.patch
Use OS byteswapping macros, this patch is functionally identical
to the version submitted upstream with the exception it excludes
code that target non-linux systems.
------------------------------------------------------------------- -------------------------------------------------------------------
Wed Sep 19 19:41:10 UTC 2012 - jslaby@suse.com Wed Sep 19 19:41:10 UTC 2012 - jslaby@suse.com

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@ -121,6 +121,8 @@ Patch56: klogconsole.diff
## ##
Patch60: time-1.7.dif Patch60: time-1.7.dif
Patch61: 0001-include-bitops.h-Use-the-operating-system-byteswappi.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-build BuildRoot: %{_tmppath}/%{name}-%{version}-build
PreReq: %insserv_prereq %fillup_prereq /bin/sed PreReq: %insserv_prereq %fillup_prereq /bin/sed
# #
@ -221,7 +223,7 @@ Files to develop applications using the libmount library.
%patch13 -p1 %patch13 -p1
# #
%patch20 -p1 %patch20 -p1
%patch61 -p1
# #
cd adjtimex-* cd adjtimex-*
# adjtimex patches belongs here # adjtimex patches belongs here