X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fwchar%2Fwmemchr.c;fp=functions%2Fwchar%2Fwmemchr.c;h=181da1510160682cd383cb9189634d27ce4894af;hb=507d3eccbf4c74e4694165f9e00ab79d894b4f66;hp=0000000000000000000000000000000000000000;hpb=0150bb9ffe66236b6a47c5800d8beef669d5c047;p=pdclib.old

diff --git a/functions/wchar/wmemchr.c b/functions/wchar/wmemchr.c
new file mode 100644
index 0000000..181da15
--- /dev/null
+++ b/functions/wchar/wmemchr.c
@@ -0,0 +1,39 @@
+/* wmemchr( const void *, int, size_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 * wmemchr( const wchar_t * p, wchar_t c, size_t n )
+{
+    while ( n-- )
+    {
+        if ( *p == c )
+        {
+            return (wchar_t*) p;
+        }
+        ++p;
+    }
+    return NULL;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE( wmemchr( wabcde, L'c', 5 ) == &wabcde[2] );
+    TESTCASE( wmemchr( wabcde, L'a', 1 ) == &wabcde[0] );
+    TESTCASE( wmemchr( wabcde, L'a', 0 ) == NULL );
+    TESTCASE( wmemchr( wabcde, L'\0', 5 ) == NULL );
+    TESTCASE( wmemchr( wabcde, L'\0', 6 ) == &wabcde[5] );
+    return TEST_RESULTS;
+}
+
+#endif