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/*
* Copyright © 2009 Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
FILE_LICENCE ( BSD2 );
#include <gpxe/wrap.h>
#include <gpxe/uaccess.h>
void
memcpy_user (userptr_t dest, off_t dest_off,
userptr_t src, off_t src_off, size_t len )
{
grub_memcpy ((void *) dest+dest_off, (void *) src+src_off, len);
}
userptr_t
virt_to_user (volatile const void *in)
{
return in;
}
void
free_memblock (void *ptr, size_t size __attribute__ ((unused)))
{
grub_free (ptr);
}
void *
memchr (void *s, grub_uint8_t c, grub_size_t size)
{
for (;size && *(grub_uint8_t *)s != c; size--, s = (grub_uint8_t *)s + 1);
if (size)
return s;
return NULL;
}
grub_size_t
strnlen (char *str, grub_size_t n)
{
grub_size_t r = 0;
while (*str && n)
{
str++;
n--;
r++;
}
return r;
}
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