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#include <memory.h>
#include <wchar.h>
#include <stdio.h>
wchar_t fmt1[] = L" 1 2 3 4 5";
wchar_t fmt2[] = L"12345678901234567890123456789012345678901234567890";
void test_wmemchr( void )
{
wchar_t* dest;
wint_t result;
wint_t ch = L'r';
wchar_t str[] = L"lazy";
wchar_t string1[60] = L"The quick brown dog jumps over the lazy fox";
wprintf( L"Wmemchr\n" );
wprintf( L"String to be searched:\n\t\t%s\n", string1 );
wprintf( L"\t\t%s\n\t\t%s\n\n", fmt1, fmt2 );
wprintf( L"Search char:\t%c\n", ch );
dest = wmemchr( string1, ch, sizeof( string1 ) );
result = dest - string1 + 1;
if( dest != NULL )
wprintf( L"Result:\t\t%c found at position %d\n\n", ch, result );
else
wprintf( L"Result:\t\t%c not found\n\n" );
return;
}
void test_wmemset( void )
{/* 1 2
0123456789012345678901234567890 */
wchar_t buffer[] = L"This is a test of the wmemset function";
wprintf( L"Before: %s\n", buffer );
wmemset( buffer+22, L'*', 7 );
wprintf( L"After: %s\n\n", buffer );
return;
}
void test_wmemmove( void )
{
wchar_t string1[60] = L"The quick brown dog jumps over the lazy fox";
wchar_t string2[60] = L"The quick brown fox jumps over the lazy dog";
wprintf( L"Wmemcpy without overlap\n" );
wprintf( L"Source:\t\t%s\n", string1 + 40 );
wprintf( L"Destination:\t%s\n", string1 + 16 );
wmemcpy( string1 + 16, string1 + 40, 3 );
wprintf( L"Result:\t\t%s\n", string1 );
wprintf( L"Length:\t\t%d characters\n\n", wcslen( string1 ) );
wmemcpy( string1 + 16, string2 + 40, 3 );
wprintf( L"Wmemmove with overlap\n" );
wprintf( L"Source:\t\t%s\n", string2 + 4 );
wprintf( L"Destination:\t%s\n", string2 + 10 );
wmemmove( string2 + 10, string2 + 4, 40 );
wprintf( L"Result:\t\t%s\n", string2 );
wprintf( L"Length:\t\t%d characters\n\n", wcslen( string2 ) );
wprintf( L"Wmemcpy with overlap\n" );
wprintf( L"Source:\t\t%s\n", string1 + 4 );
wprintf( L"Destination:\t%s\n", string1 + 10 );
wmemcpy( string1 + 10, string1 + 4, 40 );
wprintf( L"Result:\t\t%s\n", string1 );
wprintf( L"Length:\t\t%d characters\n\n", wcslen( string1 ) );
}
void test_wmemcmp( void )
{
wchar_t first[] = L"12345678901234567890";
wchar_t second[] = L"12345678901234567891";
wint_t result;
wprintf(L"Wmemcmp\n");
wprintf( L"Compare '%.19s' to '%.19s':\n", first, second );
result = wmemcmp( first, second, 19 );
if( result < 0 )
wprintf( L"First is less than second.\n" );
else if( result == 0 )
wprintf( L"First is equal to second.\n" );
else if( result > 0 )
wprintf( L"First is greater than second.\n" );
wprintf( L"\nCompare '%.20s' to '%.20s':\n", first, second );
result = wmemcmp( first, second, 20 );
if( result < 0 )
wprintf( L"First is less than second.\n\n" );
else if( result == 0 )
wprintf( L"First is equal to second.\n\n" );
else if( result > 0 )
wprintf( L"First is greater than second.\n\n" );
}
int main(){
test_wmemset();
test_wmemmove();
test_wmemchr();
test_wmemcmp();
return 0;
}
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