X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstring%2Fmemchr.c;h=9701b943142f79cbd84ac6276d33ceb5ddc781a5;hp=4194a854bb0ac5ab1f5ac3f6f81f76857be290ae;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=c2f1367984ba4153d892062759c3813020b65a9a

diff --git a/functions/string/memchr.c b/functions/string/memchr.c
index 4194a85..9701b94 100644
--- a/functions/string/memchr.c
+++ b/functions/string/memchr.c
@@ -1,7 +1,3 @@
-/* $Id$ */
-
-/* Release $Name$ */
-
 /* memchr( const void *, int, size_t )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -10,6 +6,8 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 void * memchr( const void * s, int c, size_t n )
 {
     const unsigned char * p = (const unsigned char *) s;
@@ -23,3 +21,20 @@ void * memchr( const void * s, int c, size_t n )
     }
     return NULL;
 }
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    TESTCASE( memchr( abcde, 'c', 5 ) == &abcde[2] );
+    TESTCASE( memchr( abcde, 'a', 1 ) == &abcde[0] );
+    TESTCASE( memchr( abcde, 'a', 0 ) == NULL );
+    TESTCASE( memchr( abcde, '\0', 5 ) == NULL );
+    TESTCASE( memchr( abcde, '\0', 6 ) == &abcde[5] );
+    return TEST_RESULTS;
+}
+
+#endif