[prev in list] [next in list] [prev in thread] [next in thread] 

List:       busybox
Subject:    [PATCH v7 1/7] libbb: add BIT() macro
From:       Bartosz Golaszewski <bartekgola () gmail ! com>
Date:       2016-03-18 11:37:44
Message-ID: 1458301070-25452-2-git-send-email-bartekgola () gmail ! com
[Download RAW message or body]

This macro - taken from the linux kernel source - improves readability
of single bit definitions.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
---
 include/libbb.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/libbb.h b/include/libbb.h
index 8b226c0..64e8490 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -296,6 +296,8 @@ struct BUG_off_t_size_is_misdetected {
 #undef SKIP
 #define SKIP	((int) 2)
 
+#define BIT(nr) (1UL << (nr))
+
 /* Macros for min/max.  */
 #ifndef MIN
 #define MIN(a,b) (((a)<(b))?(a):(b))
-- 
2.1.4

_______________________________________________
busybox mailing list
busybox@busybox.net
http://lists.busybox.net/mailman/listinfo/busybox
[prev in list] [next in list] [prev in thread] [next in thread]