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include/fix_u32.h: try harder to not cause redefinition errors

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-03-16 01:22:35 +01:00
parent 820874ed38
commit 09b767250d
1 changed files with 19 additions and 8 deletions
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27
include/fix_u32.h
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@ -8,6 +8,17 @@
#ifndef FIX_U32_H #ifndef FIX_U32_H
#define FIX_U32_H 1 #define FIX_U32_H 1
/* Try hard to pull in u32 types and such.
* Otherwise, #include "fix_u32.h" + #include <linux/foo.h>
* may end up typedef'ing bb_hack_u32 inside foo.h,
* and repeated typedefs aren't allowed in C/C++.
*/
#include <asm/types.h>
#include <linux/types.h>
/* In case above includes still failed to provide the types,
* provide them ourself
*/
#undef __u64 #undef __u64
#undef u64 #undef u64
#undef u32 #undef u32
@ -20,15 +31,15 @@
#undef s8 #undef s8
#define __u64 bb_hack___u64 #define __u64 bb_hack___u64
#define u64 bb_hack_u64 #define u64 bb_hack_u64
#define u32 bb_hack_u32 #define u32 bb_hack_u32
#define u16 bb_hack_u16 #define u16 bb_hack_u16
#define u8 bb_hack_u8 #define u8 bb_hack_u8
#define __s64 bb_hack___s64 #define __s64 bb_hack___s64
#define s64 bb_hack_s64 #define s64 bb_hack_s64
#define s32 bb_hack_s32 #define s32 bb_hack_s32
#define s16 bb_hack_s16 #define s16 bb_hack_s16
#define s8 bb_hack_s8 #define s8 bb_hack_s8
typedef uint64_t __u64; typedef uint64_t __u64;
typedef uint64_t u64; typedef uint64_t u64;