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 e994cea..a900d13 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -381,8 +381,8 @@
#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 */