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util: Add K/M/G bytes helpers

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov
2011-11-24 15:07:03 +04:00
parent 47b7404d73
commit 9eeb003766
4 changed files with 21 additions and 6 deletions
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13
include/util.h
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@@ -17,6 +17,19 @@
extern void printk(const char *format, ...);
#define PREF_SHIFT_OP(pref, op, size) ((size) op (pref ##BYTES_SHIFT))
#define KBYTES_SHIFT 10
#define MBYTES_SHIFT 20
#define GBYTES_SHIFT 30
#define KBYTES(size) PREF_SHIFT_OP(K, >>, size)
#define MBYTES(size) PREF_SHIFT_OP(M, >>, size)
#define GBYTES(size) PREF_SHIFT_OP(G, >>, size)
#define KILO(size) PREF_SHIFT_OP(K, <<, size)
#define MEGA(size) PREF_SHIFT_OP(K, <<, size)
#define GIGA(size) PREF_SHIFT_OP(K, <<, size)
#define pr_info(fmt, ...) printk(fmt, ##__VA_ARGS__)
#define pr_err(fmt, ...) printk("Error (%s:%d): " fmt, __FILE__, __LINE__, ##__VA_ARGS__)
#define pr_panic(fmt, ...) printk("PANIC (%s:%d): " fmt, __FILE__, __LINE__, ##__VA_ARGS__)