source: SVN/cambria/redboot/packages/language/c/libc/string/current/tests/memcpy2.c @ 1

Last change on this file since 1 was 1, checked in by Tim Harvey, 2 years ago

restored latest version of files from server backup

Signed-off-by: Tim Harvey <tharvey@…>

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Line 
1//=================================================================
2//
3//        memcpy2.c
4//
5//        Testcase for C library memcpy()
6//
7//=================================================================
8//####ECOSGPLCOPYRIGHTBEGIN####
9// -------------------------------------------
10// This file is part of eCos, the Embedded Configurable Operating System.
11// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12//
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14// the terms of the GNU General Public License as published by the Free
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16//
17// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18// WARRANTY; without even the implied warranty of MERCHANTABILITY or
19// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
20// for more details.
21//
22// You should have received a copy of the GNU General Public License along
23// with eCos; if not, write to the Free Software Foundation, Inc.,
24// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25//
26// As a special exception, if other files instantiate templates or use macros
27// or inline functions from this file, or you compile this file and link it
28// with other works to produce a work based on this file, this file does not
29// by itself cause the resulting work to be covered by the GNU General Public
30// License. However the source code for this file must still be made available
31// in accordance with section (3) of the GNU General Public License.
32//
33// This exception does not invalidate any other reasons why a work based on
34// this file might be covered by the GNU General Public License.
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37// at http://sources.redhat.com/ecos/ecos-license/
38// -------------------------------------------
39//####ECOSGPLCOPYRIGHTEND####
40//=================================================================
41//#####DESCRIPTIONBEGIN####
42//
43// Author(s):     ctarpy, jlarmour
44// Contributors: 
45// Date:          2000-04-30
46// Description:   Contains testcode for C library memcpy() function
47//
48//
49//####DESCRIPTIONEND####
50
51// INCLUDES
52
53#include <string.h>
54#include <cyg/infra/testcase.h>
55
56// CONSTANTS
57
58#define NUM_ROBUSTNESS_RUNS 300
59
60// FUNCTIONS
61
62// Functions to avoid having to use libc strings
63
64static int my_strlen(const char *s)
65{
66    const char *ptr;
67
68    ptr = s;
69    for ( ptr=s ; *ptr != '\0' ; ptr++ )
70        ;
71
72    return (int)(ptr-s);
73} // my_strlen()
74
75
76static int my_strcmp(const char *s1, const char *s2)
77{
78    for ( ; *s1 == *s2 ; s1++,s2++ )
79    {
80        if ( *s1 == '\0' )
81            break;
82    } // for
83
84    return (*s1 - *s2);
85} // my_strcmp()
86
87
88static char *my_strcpy(char *s1, const char *s2)
89{
90    while (*s2 != '\0') {
91        *(s1++) = *(s2++);
92    }
93    *s1 = '\0';
94
95    return s1; 
96} // my_strcpy()
97
98
99int main( int argc, char *argv[] )
100{
101    char x[300];
102    char y[300];
103    void *ret, *ptr1, *ptr2;
104    char *c_ret;
105    int ctr;
106    int fail;
107
108    CYG_TEST_INIT();
109
110    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
111                  "memcpy() function");
112    CYG_TEST_INFO("This testcase tests robustness, and may take some time");
113
114
115    fail = 0;
116    for (ctr = 0; ctr < NUM_ROBUSTNESS_RUNS; ctr++) {
117        my_strcpy(x, "in the land of Mordor");
118        my_strcpy(y, "                     ");
119        ptr1 = x; 
120        ptr2 = y;
121        ret = memcpy(ptr2, ptr1, my_strlen(x) + 1);
122        c_ret = ret;
123        if ((my_strcmp(y, x) != 0) || (my_strcmp(c_ret, x)!=0)) {
124            fail = 1;
125            break;
126        }
127    }
128
129    CYG_TEST_PASS_FAIL( (fail == 0), "Robustness test");
130
131//    CYG_TEST_NA("Testing is not applicable to this configuration");
132
133    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
134                    "memcpy() function");
135} // main()
136
137
138// EOF memcpy2.c
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