mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 07:57:21 +00:00
c155dfeb1e
If the memory regions are different efi_st_memcmp currently returns the difference of the addresses. Insted the difference of the first differing byte pair should be returned. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
25 lines
430 B
C
25 lines
430 B
C
/*
|
|
* efi_selftest_util
|
|
*
|
|
* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
* Utility functions
|
|
*/
|
|
|
|
#include <efi_selftest.h>
|
|
|
|
int efi_st_memcmp(const void *buf1, const void *buf2, size_t length)
|
|
{
|
|
const u8 *pos1 = buf1;
|
|
const u8 *pos2 = buf2;
|
|
|
|
for (; length; --length) {
|
|
if (*pos1 != *pos2)
|
|
return *pos1 - *pos2;
|
|
++pos1;
|
|
++pos2;
|
|
}
|
|
return EFI_ST_SUCCESS;
|
|
}
|