BizHawk/waterbox/libc/functions/wchar/wcscat.c

46 lines
967 B
C

/* wcscat( wchar_t *, const wchar_t * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <wchar.h>
#ifndef REGTEST
wchar_t * wcscat( wchar_t * _PDCLIB_restrict s1,
const wchar_t * _PDCLIB_restrict s2 )
{
wchar_t * rc = s1;
if ( *s1 )
{
while ( *++s1 );
}
while ( (*s1++ = *s2++) );
return rc;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
wchar_t s[] = L"xx\0xxxxxx";
TESTCASE( wcscat( s, wabcde ) == s );
TESTCASE( s[2] == L'a' );
TESTCASE( s[6] == L'e' );
TESTCASE( s[7] == L'\0' );
TESTCASE( s[8] == L'x' );
s[0] = L'\0';
TESTCASE( wcscat( s, wabcdx ) == s );
TESTCASE( s[4] == L'x' );
TESTCASE( s[5] == L'\0' );
TESTCASE( wcscat( s, L"\0" ) == s );
TESTCASE( s[5] == L'\0' );
TESTCASE( s[6] == L'e' );
return TEST_RESULTS;
}
#endif