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authorAndré Goddard Rosa <andre.goddard@gmail.com>2009-12-14 18:00:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:29 -0800
commit08562cb27da6a1472be15898173105b46801a73b (patch)
tree738e298e14771b9cf3e98389f2c0ae776f396165 /lib/vsprintf.c
parent7b9186f5eb0b1705abf7b2fbf33076a6b83f9d89 (diff)
downloadlwn-08562cb27da6a1472be15898173105b46801a73b.tar.gz
lwn-08562cb27da6a1472be15898173105b46801a73b.zip
vsprintf: use TOLOWER whenever possible
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>
Diffstat (limited to 'lib/vsprintf.c')
-rw-r--r--lib/vsprintf.c15
1 files 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') {