[PATCH] lib/vsprintf.c: document more vsnprintf extensions

[Uwe Kleine-KÃnig]

These were added in

9ac6e44 (lib/vsprintf.c: add %pU to print UUID/GUIDs)
c7dabef (vsprintf: use %pR, %pr instead of %pRt, %pRf)
8a27f7c (lib/vsprintf.c: Add "%pI6c" - print pointer as compressed ipv6 address)
4aa9960 (printk: add %I4, %I6, %i4, %i6 format specifiers)
dd45c9c (printk: add %pM format specifier for MAC addresses)

but only added comments to pointer() not vsnprintf() that is refered to
by printk's comments.

Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
Cc: Harvey Harrison <harvey.harrison@xxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Jens Rosenboom <jens@xxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
 lib/vsprintf.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 735343f..d4996cf 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1179,7 +1179,18 @@ qualifier:
  * %ps output the name of a text symbol without offset
  * %pF output the name of a function pointer with its offset
  * %pf output the name of a function pointer without its offset
- * %pR output the address range in a struct resource
+ * %pR output the address range in a struct resource with decoded flags
+ * %pr output the address range in a struct resource with raw flags
+ * %pM output a 6-byte MAC address with colons
+ * %pm output a 6-byte MAC address without colons
+ * %pI4 print an IPv4 address without leading zeros
+ * %pi4 print an IPv4 address with leading zeros
+ * %pI6 print an IPv6 address with colons
+ * %pi6 print an IPv6 address without colons
+ * %pI6c print an IPv6 address as specified by
+ *   http://www.ietf.org/id/draft-kawamura-ipv6-text-representation-03.txt
+ * %pU[bBlL] print a UUID/GUID in big or little endian using lower or upper
+ *   case.
  * %n is ignored
  *
  * The return value is the number of characters which would
-- 
1.6.5.2

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