[patch 3/5] Driver core: Documentation: use snprintf and strnlen

From: domen
Date: Sun Jul 31 2005 - 06:31:00 EST

From: Jan Veldeman <jan@xxxxxxx>

Documentation should give the good example of using snprintf and
strnlen in stead of sprintf and strlen.

PAGE_SIZE is used as the maximal length to reflect the behaviour of

Signed-off-by: Jan Veldeman <Jan.Veldeman@xxxxxxxxxxx>
Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>

sysfs.txt | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

Index: quilt/Documentation/filesystems/sysfs.txt
--- quilt.orig/Documentation/filesystems/sysfs.txt
+++ quilt/Documentation/filesystems/sysfs.txt
@@ -216,13 +216,13 @@ A very simple (and naive) implementation

static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
- return sprintf(buf,"%s\n",dev->name);
+ return snprintf(buf,PAGE_SIZE,"%s\n",dev->name);

static ssize_t store_name(struct device * dev, const char * buf)
- return strlen(buf);
+ return strnlen(buf,PAGE_SIZE);

static DEVICE_ATTR(name,S_IRUGO,show_name,store_name);

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