X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fwchar%2Fwcscat.c;fp=functions%2Fwchar%2Fwcscat.c;h=ad25291ae03d2b51da00060c3328b254cfbe7f2c;hb=14b5b78e19a79f590233caee7848e7cb19084088;hp=0000000000000000000000000000000000000000;hpb=41777e3d5dc655f59a8c3bcd071639e6878e853a;p=pdclib

diff --git a/functions/wchar/wcscat.c b/functions/wchar/wcscat.c
new file mode 100644
index 0000000..ad25291
--- /dev/null
+++ b/functions/wchar/wcscat.c
@@ -0,0 +1,45 @@
+/* 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