PDCLIB-2: Pure wide character functions

[pdclib] / functions / wchar / wcscmp.c

diff --git a/functions/wchar/wcscmp.c b/functions/wchar/wcscmp.c
new file mode 100644 (file)
index 0000000..810fac2
--- /dev/null
+++ b/functions/wchar/wcscmp.c
@@ -0,0 +1,39 @@
+/* wcscmp( const 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
+int wcscmp( const wchar_t * s1, const wchar_t * s2 )\r
+{\r
+    while ( ( *s1 ) && ( *s1 == *s2 ) )\r
+    {\r
+        ++s1;\r
+        ++s2;\r
+    }\r
+    return ( *(wchar_t *)s1 - *(wchar_t *)s2 );\r
+}\r
+\r
+#endif\r
+\r
+#ifdef TEST\r
+#include <_PDCLIB_test.h>\r
+\r
+int main( void )\r
+{\r
+    wchar_t cmpabcde[] = L"abcde";\r
+    wchar_t cmpabcd_[] = L"abcd\xfc";\r
+    wchar_t empty[] = L"";\r
+    TESTCASE( wcscmp( wabcde, cmpabcde ) == 0 );\r
+    TESTCASE( wcscmp( wabcde, wabcdx ) < 0 );\r
+    TESTCASE( wcscmp( wabcdx, wabcde ) > 0 );\r
+    TESTCASE( wcscmp( empty, wabcde ) < 0 );\r
+    TESTCASE( wcscmp( wabcde, empty ) > 0 );\r
+    TESTCASE( wcscmp( wabcde, cmpabcd_ ) < 0 );\r
+    return TEST_RESULTS;\r
+}\r
+#endif\r