linux-kernel - Re: [RFC][PATCH] A generic boolean (version 4)

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Date:	Sun, 23 Jul 2006 17:49:10 +0200
From:	ricknu-0@...dent.ltu.se
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...l.org>, Jeff Garzik <jeff@...zik.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Vadim Lobanov <vlobanov@...akeasy.net>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Shorty Porty <getshorty_@...mail.com>,
	Peter Williams <pwil3058@...pond.net.au>,
	Michael Buesch <mb@...sch.de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Stefan Richter <stefanr@...6.in-berlin.de>, larsbj@...lik.net
Subject: Re: [RFC][PATCH] A generic boolean (version 4)

And here comes lucky number four.

Since there seems to be no case where _Bool is not defined (we uses only gcc >=
3), it got simplefied to just a:
typedef _Bool bool;

Hopefully it is now ready for a "real" patch, whom adds bool to all arches. If
there is no comments on this one, it will be sent about tomorrow night (GMT).

Signed-off-by: Richard Knutsson <ricknu-0@...dent.ltu.se>

---

 drivers/block/DAC960.h            |    2 +-
 drivers/media/video/cpia2/cpia2.h |    4 ----
 drivers/net/dgrs.c                |    1 -
 drivers/scsi/BusLogic.h           |    5 +----
 include/asm-i386/types.h          |    2 ++
 include/linux/stddef.h            |   11 +++++++++++
 6 files changed, 15 insertions(+), 10 deletions(-)


diff --git a/drivers/block/DAC960.h b/drivers/block/DAC960.h
index a82f37f..f9217c3 100644
--- a/drivers/block/DAC960.h
+++ 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;
 
 
 /*
diff --git a/drivers/media/video/cpia2/cpia2.h b/drivers/media/video/cpia2/cpia2.h
index c5ecb2b..8d2dfc1 100644
--- a/drivers/media/video/cpia2/cpia2.h
+++ b/drivers/media/video/cpia2/cpia2.h
@@ -50,10 +50,6 @@ #define CPIA2_PATCH_VER	0
 /***
  * Image defines
  ***/
-#ifndef true
-#define true 1
-#define false 0
-#endif
 
 /*  Misc constants */
 #define ALLOW_CORRUPT 0		/* Causes collater to discard checksum */
diff --git a/drivers/net/dgrs.c b/drivers/net/dgrs.c
index fa4f094..4dbc23d 100644
--- a/drivers/net/dgrs.c
+++ b/drivers/net/dgrs.c
@@ -110,7 +110,6 @@ static char version[] __initdata =
  *	DGRS include files
  */
 typedef unsigned char uchar;
-typedef unsigned int bool;
 #define vol volatile
 
 #include "dgrs.h"
diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h
index 9792e5a..d6d1d56 100644
--- a/drivers/scsi/BusLogic.h
+++ b/drivers/scsi/BusLogic.h
@@ -237,10 +237,7 @@ enum BusLogic_BIOS_DiskGeometryTranslati
   Define a Boolean data type.
 */
 
-typedef enum {
-	false,
-	true
-} PACKED boolean;
+typedef bool boolean;
 
 /*
   Define a 10^18 Statistics Byte Counter data type.
diff --git a/include/asm-i386/types.h b/include/asm-i386/types.h
index 4b4b295..3cb84ac 100644
--- a/include/asm-i386/types.h
+++ b/include/asm-i386/types.h
@@ -1,6 +1,8 @@
 #ifndef _I386_TYPES_H
 #define _I386_TYPES_H
 
+typedef _Bool bool;
+
 #ifndef __ASSEMBLY__
 
 typedef unsigned short umode_t;
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index b3a2cad..f137815 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -10,6 +10,17 @@ #else
 #define NULL ((void *)0)
 #endif
 
+#undef false
+#undef true
+
+enum {
+	false	= 0,
+	true	= 1
+};
+
+#define false false
+#define true true 
+
 #undef offsetof
 #ifdef __compiler_offsetof
 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)



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