[PATCH 1/4] libbb: add BIT() macro
Bartosz Golaszewski
bartekgola at gmail.com
Fri Mar 11 13:07:52 UTC 2016
This macro - taken from the linux kernel source - improves readability
of single bit definitions.
Signed-off-by: Bartosz Golaszewski <bartekgola at gmail.com>
---
include/libbb.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/libbb.h b/include/libbb.h
index d05ac29..fcad060 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -292,6 +292,8 @@ 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
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