linux-kernel - [PATCH v1 2/7] vsprintf: clarify comments for printf

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Message-ID: <20100219175828.9199.12642.stgit@bob.kio>
Date:	Fri, 19 Feb 2010 10:58:28 -0700
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Len Brown <lenb@...nel.org>
Cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Adam Belay <abelay@....edu>
Subject: [PATCH v1 2/7] vsprintf: clarify comments for printf_spec flags


Add clues about what the SMALL and SPECIAL flags do.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@...com>
---

 lib/vsprintf.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)


diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3b8aeec..212d047 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -381,8 +381,8 @@ static noinline char *put_dec(char *buf, unsigned long long num)
 #define PLUS	4		/* show plus */
 #define SPACE	8		/* space if plus */
 #define LEFT	16		/* left justified */
-#define SMALL	32		/* Must be 32 == 0x20 */
-#define SPECIAL	64		/* 0x */
+#define SMALL	32		/* use lowercase in hex (must be 32 == 0x20) */
+#define SPECIAL	64		/* prefix hex with "0x", octal with "0 */
 
 enum format_type {
 	FORMAT_TYPE_NONE, /* Just a string part */

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