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vsprintf: add binary printf

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Impact: add new APIs for binary trace printk infrastructure

vbin_printf(): write args to binary buffer, string is copied
when "%s" is occurred.

bstr_printf(): read from binary buffer for args and format a string

[fweisbec@gmail.com: rebase]

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <1236356510-8381-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Lai Jiangshan
2009-03-06 17:21:46 +01:00
committed by Ingo Molnar
parent f036be96dd
commit 4370aa4aa7
3 changed files with 452 additions and 0 deletions
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3
lib/Kconfig
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@@ -2,6 +2,9 @@
# Library configuration
#
config BINARY_PRINTF
def_bool n
menu "Library routines"
config BITREVERSE