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//=================================================================
//
//        memmove2.c
//
//        Testcase for C library memmove()
//
//=================================================================
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//=================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     ctarpy, jlarmour
// Contributors:  
// Date:          2000-04-30
// Description:   Contains testcode for C library memmove() function
//
//
//####DESCRIPTIONEND####
 
// INCLUDES
 
#include <string.h>
#include <cyg/infra/testcase.h>
 
// CONSTANTS
 
#define NUM_ROBUSTNESS_RUNS 300
 
// FUNCTIONS
 
// Functions to avoid having to use libc strings
 
static int my_strlen(const char *s)
{
    const char *ptr;
 
    ptr = s;
    for ( ptr=s ; *ptr != '\0' ; ptr++ )
        ;
 
    return (int)(ptr-s);
} // my_strlen()
 
 
static int my_strcmp(const char *s1, const char *s2)
{
    for ( ; *s1 == *s2 ; s1++,s2++ )
    {
        if ( *s1 == '\0' )
            break;
    } // for
 
    return (*s1 - *s2);
} // my_strcmp()
 
 
static char *my_strcpy(char *s1, const char *s2)
{
    while (*s2 != '\0') {
        *(s1++) = *(s2++);
    }
    *s1 = '\0';
 
    return s1; 
} // my_strcpy()
 
 
int main( int argc, char *argv[] )
{
    char x[300];
    char y[300];
    void *ret, *ptr1, *ptr2;
    char *c_ret;
    int ctr;
    int fail;
 
    CYG_TEST_INIT();
 
    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
                  "memmove() function");
    CYG_TEST_INFO("This testcase tests robustness, and may take some time");
 
    fail = 0;
    for (ctr = 0; ctr < NUM_ROBUSTNESS_RUNS; ctr++) {
        my_strcpy(x, "in the land of Mordor");
        my_strcpy(y, "                     ");
        ptr1 = x; 
        ptr2 = y;
        ret = memmove(ptr2, ptr1, my_strlen(x) + 1);
        c_ret = ret;
        if ((my_strcmp(y, x) != 0) || (my_strcmp(c_ret, x)!=0)) {
            fail = 1;
            break;
        }
    }
 
    CYG_TEST_PASS_FAIL( (fail == 0), "Robustness test");
 
//    CYG_TEST_NA("Testing is not applicable to this configuration");
 
    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
                    "memmove() function");
} // main()
 
 
// EOF memmove2.c