sl@0
|
1 |
/*
|
sl@0
|
2 |
* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
|
sl@0
|
3 |
* All rights reserved.
|
sl@0
|
4 |
* This component and the accompanying materials are made available
|
sl@0
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
sl@0
|
6 |
* which accompanies this distribution, and is available
|
sl@0
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
sl@0
|
8 |
*
|
sl@0
|
9 |
* Initial Contributors:
|
sl@0
|
10 |
* Nokia Corporation - initial contribution.
|
sl@0
|
11 |
*
|
sl@0
|
12 |
* Contributors:
|
sl@0
|
13 |
*
|
sl@0
|
14 |
* Description:
|
sl@0
|
15 |
* FUNCTION
|
sl@0
|
16 |
* <<memcmp>>---compare two memory areas
|
sl@0
|
17 |
* INDEX
|
sl@0
|
18 |
* memcmp
|
sl@0
|
19 |
* ANSI_SYNOPSIS
|
sl@0
|
20 |
* #include <string.h>
|
sl@0
|
21 |
* int memcmp(const void *<[s1]>, const void *<[s2]>, size_t <[n]>);
|
sl@0
|
22 |
* TRAD_SYNOPSIS
|
sl@0
|
23 |
* #include <string.h>
|
sl@0
|
24 |
* int memcmp(<[s1]>, <[s2]>, <[n]>)
|
sl@0
|
25 |
* void *<[s1]>;
|
sl@0
|
26 |
* void *<[s2]>;
|
sl@0
|
27 |
* size_t <[n]>;
|
sl@0
|
28 |
* This function compares not more than <[n]> characters of the
|
sl@0
|
29 |
* object pointed to by <[s1]> with the object pointed to by <[s2]>.
|
sl@0
|
30 |
* RETURNS
|
sl@0
|
31 |
* The function returns an integer greater than, equal to or
|
sl@0
|
32 |
* less than zero according to whether the object pointed to by
|
sl@0
|
33 |
* <[s1]> is greater than, equal to or less than the object
|
sl@0
|
34 |
* pointed to by <[s2]>.
|
sl@0
|
35 |
* PORTABILITY
|
sl@0
|
36 |
* <<memcmp>> is ANSI C.
|
sl@0
|
37 |
* <<memcmp>> requires no supporting OS subroutines.
|
sl@0
|
38 |
* QUICKREF
|
sl@0
|
39 |
* memcmp ansi pure
|
sl@0
|
40 |
*
|
sl@0
|
41 |
*
|
sl@0
|
42 |
*/
|
sl@0
|
43 |
|
sl@0
|
44 |
|
sl@0
|
45 |
|
sl@0
|
46 |
#include <string.h>
|
sl@0
|
47 |
/**
|
sl@0
|
48 |
Compare two buffers.
|
sl@0
|
49 |
Compares the fisrt num bytes of two memory blocks pointed by m1 and m1.
|
sl@0
|
50 |
@return a value indicating the relationship between the buffers
|
sl@0
|
51 |
@param m1 Pointer to buffer.
|
sl@0
|
52 |
@param m2 Pointer to buffer.
|
sl@0
|
53 |
@param n Number of bytes to compare.
|
sl@0
|
54 |
*/
|
sl@0
|
55 |
|
sl@0
|
56 |
IMPORT_C signed int memcompare(const unsigned char*, signed int, const unsigned char*, signed int);
|
sl@0
|
57 |
|
sl@0
|
58 |
|
sl@0
|
59 |
EXPORT_C int
|
sl@0
|
60 |
memcmp (const void* m1, const void* m2, size_t n)
|
sl@0
|
61 |
{
|
sl@0
|
62 |
return memcompare((const unsigned char*)m1, n, (const unsigned char*)m2, n);
|
sl@0
|
63 |
}
|