X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fmemchr.c;h=fac50549cf0d0b9bf7041786737ca355f5cdde6a;hb=cd6cfe0f578c4f744ddc9a342243aff6b42f8027;hp=4194a854bb0ac5ab1f5ac3f6f81f76857be290ae;hpb=41afb7a0762978ee57d1a8d6223e82e73f2acb9b;p=pdclib.old

diff --git a/functions/string/memchr.c b/functions/string/memchr.c
index 4194a85..fac5054 100644
--- a/functions/string/memchr.c
+++ b/functions/string/memchr.c
@@ -1,7 +1,5 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* memchr( const void *, int, size_t )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -10,6 +8,8 @@
 
 #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 +23,20 @@ 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