[PATCH] Define __CHAR_BIT__

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From: "Emilio G. Cota" <cota@xxxxxxxxx>

gcc defines __CHAR_BIT__ as a pre-defined macro.

Define __CHAR_BIT__ in sparse so that code that needs it (e.g. code
using CHAR_BIT from limits.h) does not generate false warnings.

Signed-off-by: Emilio G. Cota <cota@xxxxxxxxx>
---
 lib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib.c b/lib.c
index fe20f93..bbdb9b7 100644
--- a/lib.c
+++ b/lib.c
@@ -911,6 +911,7 @@ void create_builtin_stream(void)
 	add_pre_buffer("#weak_define __LONG_LONG_MAX__ " STRINGIFY(__LONG_LONG_MAX__) "\n");
 	add_pre_buffer("#weak_define __WCHAR_MAX__ " STRINGIFY(__WCHAR_MAX__) "\n");
 	add_pre_buffer("#weak_define __SIZEOF_POINTER__ " STRINGIFY(__SIZEOF_POINTER__) "\n");
+	add_pre_buffer("#weak_define __CHAR_BIT__ " STRINGIFY(__CHAR_BIT__) "\n");
 }
 
 static struct symbol_list *sparse_tokenstream(struct token *token)
-- 
1.8.3

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