/* $Id$ */
-/* Release $Name$ */
-
/* strncpy( char *, const char *, size_t )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
-#include <_PDCLIB_aux.h>
#include <string.h>
+/* TODO: Debuggung only */
+#include <stdio.h>
+
+#ifndef REGTEST
+
char * strncpy( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, size_t n )
{
char * rc = s1;
while ( ( n > 0 ) && ( *s1++ = *s2++ ) )
{
/* Cannot do "n--" in the conditional as size_t is unsigned and we have
- to check it again for >0 in the next loop.
+ to check it again for >0 in the next loop.
*/
--n;
}
- while ( --n )
+ /* TODO: This works correctly, but somehow the handling of n is ugly as
+ hell.
+ */
+ if ( n > 0 )
{
- *s1++ = '\0';
+ while ( --n )
+ {
+ *s1++ = '\0';
+ }
}
return rc;
}
+#endif
+
#ifdef TEST
#include <_PDCLIB_test.h>
-int main()
+int main( void )
{
char s[] = "xxxxxxx";
- BEGIN_TESTS;
TESTCASE( strncpy( s, "", 1 ) == s );
TESTCASE( s[0] == '\0' );
TESTCASE( s[1] == 'x' );
TESTCASE( s[6] == 'x' );
TESTCASE( strncpy( s, abcde, 7 ) == s );
TESTCASE( s[6] == '\0' );
+ TESTCASE( strncpy( s, "xxxx", 3 ) == s );
+ TESTCASE( s[0] == 'x' );
+ TESTCASE( s[2] == 'x' );
+ TESTCASE( s[3] == 'd' );
return TEST_RESULTS;
}
#endif