*/
#include <linux/mm.h>
+#include <linux/module.h>
#include <asm/uaccess.h>
/*****************************************************************************/
/*
* copy a null terminated string from userspace
*/
-long strncpy_from_user(char *dst, const char *src, long count)
+long strncpy_from_user(char *dst, const char __user *src, long count)
{
unsigned long max;
char *p, ch;
long err = -EFAULT;
- if (count < 0)
- BUG();
+ BUG_ON(count < 0);
p = dst;
memset(p, 0, count); /* clear remainder of buffer [security] */
return err;
+
} /* end strncpy_from_user() */
+EXPORT_SYMBOL(strncpy_from_user);
+
/*****************************************************************************/
/*
* Return the size of a string (including the ending 0)
*
* Return 0 on exception, a value greater than N if too long
*/
-long strnlen_user(const char *src, long count)
+long strnlen_user(const char __user *src, long count)
{
- const char *p;
+ const char __user *p;
long err = 0;
char ch;
- if (count < 0)
- BUG();
+ BUG_ON(count < 0);
#ifndef CONFIG_MMU
if ((unsigned long) src < memory_start)
}
return p - src + 1; /* return length including NUL */
+
} /* end strnlen_user() */
+
+EXPORT_SYMBOL(strnlen_user);