1 files changed, 104 insertions, 0 deletions
diff --git a/winsup/mingw/mingwex/testwmem.c b/winsup/mingw/mingwex/testwmem.c
new file mode 100644
index 000000000..1310718c9
--- /dev/null
+++ b/winsup/mingw/mingwex/testwmem.c
@@ -0,0 +1,104 @@
+#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;
+}
+
+
+
+