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108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
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/** @file
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Library used for sorting and comparison routines.
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Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __SORT_LIB_H__
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#define __SORT_LIB_H__
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/**
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Prototype for comparison function for any two element types.
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@param[in] Buffer1 The pointer to first buffer.
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@param[in] Buffer2 The pointer to second buffer.
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@retval 0 Buffer1 equal to Buffer2.
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@return <0 Buffer1 is less than Buffer2.
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@return >0 Buffer1 is greater than Buffer2.
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**/
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typedef
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INTN
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(EFIAPI *SORT_COMPARE)(
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IN CONST VOID *Buffer1,
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IN CONST VOID *Buffer2
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);
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/**
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Function to perform a Quick Sort on a buffer of comparable elements.
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Each element must be equally sized.
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If BufferToSort is NULL, then ASSERT.
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If CompareFunction is NULL, then ASSERT.
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If Count is < 2 , then perform no action.
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If Size is < 1 , then perform no action.
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@param[in, out] BufferToSort On call, a Buffer of (possibly sorted) elements;
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on return, a buffer of sorted elements.
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@param[in] Count The number of elements in the buffer to sort.
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@param[in] ElementSize The size of an element in bytes.
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@param[in] CompareFunction The function to call to perform the comparison
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of any two elements.
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**/
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VOID
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EFIAPI
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PerformQuickSort (
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IN OUT VOID *BufferToSort,
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IN CONST UINTN Count,
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IN CONST UINTN ElementSize,
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IN SORT_COMPARE CompareFunction
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);
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/**
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Function to compare 2 device paths for use as CompareFunction.
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@param[in] Buffer1 The pointer to Device Path to compare.
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@param[in] Buffer2 The pointer to second DevicePath to compare.
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@retval 0 Buffer1 equal to Buffer2.
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@return < 0 Buffer1 is less than Buffer2.
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@return > 0 Buffer1 is greater than Buffer2.
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**/
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INTN
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EFIAPI
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DevicePathCompare (
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IN CONST VOID *Buffer1,
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IN CONST VOID *Buffer2
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);
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/**
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Function to compare 2 strings without regard to case of the characters.
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@param[in] Buffer1 The pointer to String to compare (CHAR16**).
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@param[in] Buffer2 The pointer to second String to compare (CHAR16**).
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@retval 0 Buffer1 equal to Buffer2.
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@return < 0 Buffer1 is less than Buffer2.
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@return > 0 Buffer1 is greater than Buffer2.
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**/
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INTN
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EFIAPI
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StringNoCaseCompare (
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IN CONST VOID *Buffer1,
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IN CONST VOID *Buffer2
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);
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/**
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Function to compare 2 strings.
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@param[in] Buffer1 The pointer to String to compare (CHAR16**).
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@param[in] Buffer2 The pointer to second String to compare (CHAR16**).
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@retval 0 Buffer1 equal to Buffer2.
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@return < 0 Buffer1 is less than Buffer2.
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@return > 0 Buffer1 is greater than Buffer2.
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**/
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INTN
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EFIAPI
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StringCompare (
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IN CONST VOID *Buffer1,
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IN CONST VOID *Buffer2
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);
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#endif //__SORT_LIB_H__
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