X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fwchar%2Fwcscmp.c;fp=functions%2Fwchar%2Fwcscmp.c;h=810fac2fed739fa000f9b227d68d3a4e697d060c;hb=14b5b78e19a79f590233caee7848e7cb19084088;hp=0000000000000000000000000000000000000000;hpb=41777e3d5dc655f59a8c3bcd071639e6878e853a;p=pdclib

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