/* $Id$ */
-/* Release $Name$ */
-
/* strncpy( char *, const char *, size_t )
This file is part of the Public Domain C Library (PDCLib).
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 below, so we must not risk
+ underflow.
*/
--n;
}
- while ( --n )
+ /* Checking against 1 as we missed the last --n in the loop above. */
+ while ( n-- > 1 )
{
*s1++ = '\0';
}
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