Re: [RFC][PATCH] A generic boolean (version 3)

From: Jan Engelhardt
Date: Sat Jul 22 2006 - 05:08:14 EST


>+++ b/drivers/block/DAC960.h
>@@ -71,7 +71,7 @@ #define DAC690_V2_PciDmaMask 0xfffffffff
> Define a Boolean data type.
> */
>
>-typedef enum { false, true } __attribute__ ((packed)) boolean;
>+typedef bool boolean;
>
Probably I missed some mail, but why can't we just have typedef _Bool bool?
Like below?

>+++ b/include/asm-i386/types.h
>@@ -1,6 +1,13 @@
> #ifndef _I386_TYPES_H
> #define _I386_TYPES_H
>
>+#if __GNUC__ >= 3
>+typedef _Bool bool;
>+#else
>+#warning You compiler doesn't seem to support boolean types, will set 'bool' as
>an 'unsigned int'
>+typedef unsigned int bool;
>+#endif
>+
> #ifndef __ASSEMBLY__
>
> typedef unsigned short umode_t;
>--- a/include/linux/stddef.h
>+++ b/include/linux/stddef.h
>@@ -10,6 +10,17 @@ #else
> #define NULL ((void *)0)
> #endif
>
>+#undef false
>+#undef true

Wasnot this supposed to go away?

>+
>+enum {
>+ false = 0,
>+ true = 1
>+};
>+
>+#define false false
>+#define true true
>+
> #undef offsetof
> #ifdef __compiler_offsetof
> #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
>

Jan Engelhardt
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