linux-sg2042/drivers/leds
André Goddard Rosa e7d2860b69 tree-wide: convert open calls to remove spaces to skip_spaces() lib function
Makes use of skip_spaces() defined in lib/string.c for removing leading
spaces from strings all over the tree.

It decreases lib.a code size by 47 bytes and reuses the function tree-wide:
   text    data     bss     dec     hex filename
  64688     584     592   65864   10148 (TOTALS-BEFORE)
  64641     584     592   65817   10119 (TOTALS-AFTER)

Also, while at it, if we see (*str && isspace(*str)), we can be sure to
remove the first condition (*str) as the second one (isspace(*str)) also
evaluates to 0 whenever *str == 0, making it redundant. In other words,
"a char equals zero is never a space".

Julia Lawall tried the semantic patch (http://coccinelle.lip6.fr) below,
and found occurrences of this pattern on 3 more files:
    drivers/leds/led-class.c
    drivers/leds/ledtrig-timer.c
    drivers/video/output.c

@@
expression str;
@@

( // ignore skip_spaces cases
while (*str &&  isspace(*str)) { \(str++;\|++str;\) }
|
- *str &&
isspace(*str)
)

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Cc: Julia Lawall <julia@diku.dk>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Neil Brown <neilb@suse.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: David Howells <dhowells@redhat.com>
Cc: <linux-ext4@vger.kernel.org>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-15 08:53:32 -08:00
..
Kconfig leds: Fix indentation in LEDS_LP3944 Kconfig entry 2009-09-07 14:38:04 +01:00
Makefile leds: Add WM831x status LED driver 2009-09-07 14:33:33 +01:00
led-class.c tree-wide: convert open calls to remove spaces to skip_spaces() lib function 2009-12-15 08:53:32 -08:00
led-core.c leds: Cleanup various whitespace and code style issues 2008-04-24 23:37:42 +01:00
led-triggers.c leds: Prevent multiple LED triggers with the same name 2009-04-06 16:06:26 +01:00
leds-alix2.c leds: alix-leds2 fixed for Award BIOS 2009-06-23 20:20:34 +01:00
leds-ams-delta.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
leds-atmel-pwm.c leds: fix unsigned value overflow in atmel pwm driver 2008-07-23 09:49:56 +01:00
leds-bd2802.c leds: add the sysfs interface into the leds-bd2802 driver for changing wave pattern and led current. 2009-06-23 20:19:10 +01:00
leds-clevo-mail.c Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds 2009-09-26 10:50:47 -07:00
leds-cobalt-qube.c leds: Fix LED names 2009-09-07 14:37:27 +01:00
leds-cobalt-raq.c leds: Fix LED names 2009-09-07 14:37:27 +01:00
leds-da903x.c leds: da903x: (da9030 only) led brightness reversed. 2008-10-30 22:14:10 +08:00
leds-dac124s085.c spi: prefix modalias with "spi:" 2009-09-23 07:39:43 -07:00
leds-fsg.c IXP4xx: move FSG platform macros to the platform code. 2009-12-05 16:58:40 +01:00
leds-gpio.c leds-gpio: fix possible crash on OF device unbinding 2009-11-16 11:50:42 +00:00
leds-h1940.c [ARM] S3C24XX: GPIO: Move gpio functions out of <mach/hardware.h> 2009-05-18 16:25:40 +01:00
leds-hp6xx.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-locomo.c collie: locomo-led change default trigger 2009-11-27 21:07:19 +01:00
leds-lp3944.c leds: LED driver for National Semiconductor LP3944 Funlight Chip 2009-06-23 20:21:38 +01:00
leds-net48xx.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-pca955x.c leds: leds-pca955x - Mark pca955x_led_set() static 2008-10-20 22:57:56 +01:00
leds-pca9532.c leds: leds-pca9532 - Drop unused module parameters 2009-10-04 22:53:43 +02:00
leds-pwm.c leds: simple driver for pwm driven LEDs 2009-04-06 16:06:26 +01:00
leds-rb532.c leds: Add rb532 LED driver for the User LED 2009-04-06 16:06:26 +01:00
leds-s3c24xx.c [ARM] S3C24XX: GPIO: Move gpio functions out of <mach/hardware.h> 2009-05-18 16:25:40 +01:00
leds-sunfire.c leds: Add driver for Sunfire UltraSPARC server LEDs. 2008-08-31 20:26:48 -07:00
leds-wm831x-status.c leds: Add WM831x status LED driver 2009-09-07 14:33:33 +01:00
leds-wm8350.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds-wrap.c leds: Add suspend/resume to the core class 2009-01-08 17:55:03 +00:00
leds.h leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-backlight.c leds: Add backlight LED trigger 2008-10-20 22:34:12 +01:00
ledtrig-default-on.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-gpio.c leds: fix coding style in worker thread code for ledtrig-gpio. 2009-09-07 14:33:33 +01:00
ledtrig-heartbeat.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-ide-disk.c leds: allow led-drivers to use a variable range of brightness values 2009-04-06 16:06:25 +01:00
ledtrig-timer.c tree-wide: convert open calls to remove spaces to skip_spaces() lib function 2009-12-15 08:53:32 -08:00