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36 lines
636 B
C
36 lines
636 B
C
/*
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* Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#define G_LOG_DOMAIN "FuCommon"
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#include "fu-common-guid.h"
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#include <config.h>
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/**
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* fu_common_guid_is_plausible:
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* @buf: a buffer of data
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*
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* Checks whether a chunk of memory looks like it could be a GUID.
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*
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* Returns: TRUE if it looks like a GUID, FALSE if not
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*
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* Since: 1.2.5
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**/
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gboolean
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fu_common_guid_is_plausible(const guint8 *buf)
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{
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guint guint_sum = 0;
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for (guint i = 0; i < 16; i++)
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guint_sum += buf[i];
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if (guint_sum == 0x00)
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return FALSE;
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if (guint_sum < 0xff)
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return FALSE;
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return TRUE;
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}
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