From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Fri, 5 Mar 2010 17:47:31 +0000 (-0700)
Subject: vsprintf: clarify comments for printf_spec flags
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b89dc5d6b0981c1096ccffbf8f4413c7bb1bcc0a;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

vsprintf: clarify comments for printf_spec flags

Add clues about what the SMALL and SPECIAL flags do.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index e994cea385c8..a900d136e643 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 */