-/* $Id$ */
-
/* strncmp( const char *, const char *, size_t )
This file is part of the Public Domain C Library (PDCLib).
int strncmp( const char * s1, const char * s2, size_t n )
{
- while ( n && ( *s1 == *s2 ) )
+ while ( *s1 && n && ( *s1 == *s2 ) )
{
++s1;
++s2;
--n;
}
- if ( ( n == 0 ) )
+ if ( n == 0 )
{
return 0;
}
else
{
- return ( *s1 - *s2 );
+ return ( *(unsigned char *)s1 - *(unsigned char *)s2 );
}
}
#endif
#ifdef TEST
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
int main( void )
{
- char cmpabcde[] = "abcde";
+ char cmpabcde[] = "abcde\0f";
+ char cmpabcd_[] = "abcde\xfc";
char empty[] = "";
char x[] = "x";
TESTCASE( strncmp( abcde, cmpabcde, 5 ) == 0 );
+ TESTCASE( strncmp( abcde, cmpabcde, 10 ) == 0 );
TESTCASE( strncmp( abcde, abcdx, 5 ) < 0 );
TESTCASE( strncmp( abcdx, abcde, 5 ) > 0 );
TESTCASE( strncmp( empty, abcde, 5 ) < 0 );
TESTCASE( strncmp( abcde, abcdx, 4 ) == 0 );
TESTCASE( strncmp( abcde, x, 0 ) == 0 );
TESTCASE( strncmp( abcde, x, 1 ) < 0 );
+ TESTCASE( strncmp( abcde, cmpabcd_, 10 ) < 0 );
return TEST_RESULTS;
}
#endif