-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* $Id$ */
-#include <__size_t.h>
+/* memcmp( const void *, const void *, size_t )
-int memcmp( const void * src_1, const void * src_2, size_t n )
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <string.h>
+
+#ifndef REGTEST
+
+int memcmp( const void * s1, const void * s2, size_t n )
{
- const unsigned char * p1 = (const unsigned char *) src_1;
- const unsigned char * p2 = (const unsigned char *) src_2;
+ const unsigned char * p1 = (const unsigned char *) s1;
+ const unsigned char * p2 = (const unsigned char *) s2;
while ( n-- )
{
if ( *p1 != *p2 )
{
- return *p2 - *p1;
+ return *p1 - *p2;
}
++p1;
++p2;
}
return 0;
}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ char const xxxxx[] = "xxxxx";
+ TESTCASE( memcmp( abcde, abcdx, 5 ) < 0 );
+ TESTCASE( memcmp( abcde, abcdx, 4 ) == 0 );
+ TESTCASE( memcmp( abcde, xxxxx, 0 ) == 0 );
+ TESTCASE( memcmp( xxxxx, abcde, 1 ) > 0 );
+ return 0;
+}
+#endif