X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=functions%2Fstring%2Fstrrchr.c;h=527065baaab25f612d3674c5998071a6bbd16230;hb=cada8612301c428d30d131dacc0a7d1e877fb677;hp=b29d0a6e26525d236a5d7ec64d963fb2c4e91b3a;hpb=816dadd663aa1a118b4eddea8e5a2df6fe4e28ec;p=fw%2Fpdclib

diff --git a/functions/string/strrchr.c b/functions/string/strrchr.c
index b29d0a6..527065b 100644
--- a/functions/string/strrchr.c
+++ b/functions/string/strrchr.c
@@ -1,7 +1,5 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* strrchr( const char *, int c )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -10,18 +8,34 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 char * strrchr( const char * s, int c )
 {
     size_t i = 0;
-    while ( p[i++] );
+    while ( s[i++] );
     do
     {
-        if ( p[--i] == (char) c )
+        if ( s[--i] == (char) c )
         {
-            return (char *) p + i;
+            return (char *) s + i;
         }
     } while ( i );
     return NULL;
 }
 
-#warning Test driver missing.
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    char abccd[] = "abccd";
+    TESTCASE( strrchr( abcde, '\0' ) == &abcde[5] );
+    TESTCASE( strrchr( abcde, 'e' ) == &abcde[4] );
+    TESTCASE( strrchr( abcde, 'a' ) == &abcde[0] );
+    TESTCASE( strrchr( abccd, 'c' ) == &abccd[3] );
+    return TEST_RESULTS;
+}
+#endif