3 /* strxfrm( char *, const char *, size_t )
5 This file is part of the Public Domain C Library (PDCLib).
6 Permission is granted to use, modify, and / or redistribute at will.
13 #include <_PDCLIB_locale.h>
15 size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, size_t n )
17 const _PDCLIB_ctype_t *ctype = _PDCLIB_threadlocale()->_CType;
18 size_t len = strlen( s2 );
21 /* Cannot use strncpy() here as the filling of s1 with '\0' is not part
24 while ( n-- && ( *s1++ = ctype[(unsigned char)*s2++].collation ) );
32 #include <_PDCLIB_test.h>
36 char s[] = "xxxxxxxxxxx";
37 TESTCASE( strxfrm( NULL, "123456789012", 0 ) == 12 );
38 TESTCASE( strxfrm( s, "123456789012", 12 ) == 12 );
40 The following test case is true in *this* implementation, but doesn't have to.
41 TESTCASE( s[0] == 'x' );
43 TESTCASE( strxfrm( s, "1234567890", 11 ) == 10 );
44 TESTCASE( s[0] == '1' );
45 TESTCASE( s[9] == '0' );
46 TESTCASE( s[10] == '\0' );