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/* strxfrm( 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 <string.h>
#ifndef REGTEST
#include <locale.h>
size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, size_t n )
{
size_t len = strlen( s2 );
if ( len < n )
{
/* Cannot use strncpy() here as the filling of s1 with '\0' is not part
of the spec.
*/
/* FIXME: The code below became invalid when we started doing *real* locales... */
/*while ( n-- && ( *s1++ = _PDCLIB_lc_collate[(unsigned char)*s2++].collation ) );*/
while ( n-- && ( *s1++ = (unsigned char)*s2++ ) );
}
return len;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
char s[] = "xxxxxxxxxxx";
TESTCASE( strxfrm( NULL, "123456789012", 0 ) == 12 );
TESTCASE( strxfrm( s, "123456789012", 12 ) == 12 );
/*
The following test case is true in *this* implementation, but doesn't have to.
TESTCASE( s[0] == 'x' );
*/
TESTCASE( strxfrm( s, "1234567890", 11 ) == 10 );
TESTCASE( s[0] == '1' );
TESTCASE( s[9] == '0' );
TESTCASE( s[10] == '\0' );
return TEST_RESULTS;
}
#endif
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