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Subject[PATCH v3 4/7] vsprintf: use TOLOWER whenever possible
From: André Goddard Rosa <andre.goddard@gmail.com>
Date: Tue, 3 Nov 2009 10:48:25 -0200
Subject: [PATCH v3 4/7] vsprintf: use TOLOWER whenever possible
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It decreases code size as well:
text data bss dec hex filename
15767 0 8 15775 3d9f lib/vsprintf.o-before
15735 0 8 15743 3d7f lib/vsprintf.o-TOLOWER

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
---
lib/vsprintf.c | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 00153c5..14e4197 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -983,8 +983,8 @@ 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') {
@@ -1051,7 +1051,7 @@ 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;
@@ -1198,8 +1198,7 @@ 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 {
@@ -1490,7 +1489,7 @@ 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 *);
@@ -1801,8 +1800,8 @@ 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') {
--
1.6.5.2.143.g8cc62.dirty
--
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