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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>
26 lines
430 B
C
26 lines
430 B
C
/*
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* efi_selftest_util
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*
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* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Utility functions
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*/
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#include <efi_selftest.h>
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int efi_st_memcmp(const void *buf1, const void *buf2, size_t length)
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{
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const u8 *pos1 = buf1;
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const u8 *pos2 = buf2;
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for (; length; --length) {
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if (*pos1 != *pos2)
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return *pos1 - *pos2;
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++pos1;
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++pos2;
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}
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return EFI_ST_SUCCESS;
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}
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