From 08562cb27da6a1472be15898173105b46801a73b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Goddard=20Rosa?= <andre.goddard@gmail.com>
Date: Mon, 14 Dec 2009 18:00:58 -0800
Subject: vsprintf: use TOLOWER whenever possible
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It decreases code size as well:
 text    data     bss     dec     hex filename
15758       0       8   15766    3d96 vsprintf.o (ex lib/lib.a-BEFORE)
15726       0       8   15734    3d76 vsprintf.o (ex lib/lib.a-TOLOWER)

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/vsprintf.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 2e1dda2b549d..cba2385a6f0b 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1034,8 +1034,8 @@ precision:
 qualifier:
 	/* get the conversion qualifier */
 	spec->qualifier = -1;
-	if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' ||
-	    *fmt == 'Z' || *fmt == 'z' || *fmt == 't') {
+	if (*fmt == 'h' || TOLOWER(*fmt) == 'l' ||
+	    TOLOWER(*fmt) == 'z' || *fmt == 't') {
 		spec->qualifier = *fmt++;
 		if (unlikely(spec->qualifier == *fmt)) {
 			if (spec->qualifier == 'l') {
@@ -1102,7 +1102,7 @@ qualifier:
 			spec->type = FORMAT_TYPE_LONG;
 		else
 			spec->type = FORMAT_TYPE_ULONG;
-	} else if (spec->qualifier == 'Z' || spec->qualifier == 'z') {
+	} else if (TOLOWER(spec->qualifier) == 'z') {
 		spec->type = FORMAT_TYPE_SIZE_T;
 	} else if (spec->qualifier == 't') {
 		spec->type = FORMAT_TYPE_PTRDIFF;
@@ -1249,8 +1249,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
 			if (qualifier == 'l') {
 				long *ip = va_arg(args, long *);
 				*ip = (str - buf);
-			} else if (qualifier == 'Z' ||
-					qualifier == 'z') {
+			} else if (TOLOWER(qualifier) == 'z') {
 				size_t *ip = va_arg(args, size_t *);
 				*ip = (str - buf);
 			} else {
@@ -1540,7 +1539,7 @@ do {									\
 			void *skip_arg;
 			if (qualifier == 'l')
 				skip_arg = va_arg(args, long *);
-			else if (qualifier == 'Z' || qualifier == 'z')
+			else if (TOLOWER(qualifier) == 'z')
 				skip_arg = va_arg(args, size_t *);
 			else
 				skip_arg = va_arg(args, int *);
@@ -1851,8 +1850,8 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
 
 		/* get conversion qualifier */
 		qualifier = -1;
-		if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' ||
-		    *fmt == 'Z' || *fmt == 'z') {
+		if (*fmt == 'h' || TOLOWER(*fmt) == 'l' ||
+		    TOLOWER(*fmt) == 'z') {
 			qualifier = *fmt++;
 			if (unlikely(qualifier == *fmt)) {
 				if (qualifier == 'h') {
-- 
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