X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrchr.c;h=621100e04828860d931194276520020469f3168c;hb=b3b47892170124cf28a2cfb5ff4aeb227989aa21;hp=a575f6deea1b15e44b65ef94826a1f1ddc607b29;hpb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;p=pdclib

diff --git a/functions/string/strchr.c b/functions/string/strchr.c
index a575f6d..621100e 100644
--- a/functions/string/strchr.c
+++ b/functions/string/strchr.c
@@ -1,7 +1,3 @@
-/* $Id$ */
-
-/* Release $Name$ */
-
 /* strchr( const char *, int )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -10,6 +6,8 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 char * strchr( const char * s, int c )
 {
     do
@@ -22,4 +20,21 @@ char * strchr( const char * s, int c )
     return NULL;
 }
 
-#warning Test driver missing.
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    char abccd[] = "abccd";
+    TESTCASE( strchr( abccd, 'x' ) == NULL );
+    TESTCASE( strchr( abccd, 'a' ) == &abccd[0] );
+    TESTCASE( strchr( abccd, 'd' ) == &abccd[4] );
+    TESTCASE( strchr( abccd, '\0' ) == &abccd[5] );
+    TESTCASE( strchr( abccd, 'c' ) == &abccd[2] );
+    return TEST_RESULTS;
+}
+
+#endif