PDCLIB-2: Pure wide character functions

[pdclib] / functions / wchar / wcscat.c

diff --git a/functions/wchar/wcscat.c b/functions/wchar/wcscat.c
new file mode 100644 (file)
index 0000000..ad25291
--- /dev/null
+++ b/functions/wchar/wcscat.c
@@ -0,0 +1,45 @@
+/* wcscat( wchar_t *, const wchar_t * )\r
+\r
+   This file is part of the Public Domain C Library (PDCLib).\r
+   Permission is granted to use, modify, and / or redistribute at will.\r
+*/\r
+\r
+#include <wchar.h>\r
+\r
+#ifndef REGTEST\r
+\r
+wchar_t * wcscat( wchar_t * _PDCLIB_restrict s1, \r
+                  const wchar_t * _PDCLIB_restrict s2 )\r
+{\r
+    wchar_t * rc = s1;\r
+    if ( *s1 )\r
+    {\r
+        while ( *++s1 );\r
+    }\r
+    while ( (*s1++ = *s2++) );\r
+    return rc;\r
+}\r
+\r
+#endif\r
+\r
+#ifdef TEST\r
+#include <_PDCLIB_test.h>\r
+\r
+int main( void )\r
+{\r
+    wchar_t s[] = L"xx\0xxxxxx";\r
+    TESTCASE( wcscat( s, wabcde ) == s );\r
+    TESTCASE( s[2] == L'a' );\r
+    TESTCASE( s[6] == L'e' );\r
+    TESTCASE( s[7] == L'\0' );\r
+    TESTCASE( s[8] == L'x' );\r
+    s[0] = L'\0';\r
+    TESTCASE( wcscat( s, wabcdx ) == s );\r
+    TESTCASE( s[4] == L'x' );\r
+    TESTCASE( s[5] == L'\0' );\r
+    TESTCASE( wcscat( s, L"\0" ) == s );\r
+    TESTCASE( s[5] == L'\0' );\r
+    TESTCASE( s[6] == L'e' );\r
+    return TEST_RESULTS;\r
+}\r
+#endif\r