From: solar <solar@546481bc-9713-0410-bf18-d3337bbf4a3e>
Date: Sun, 20 Nov 2005 17:18:11 +0000 (+0000)
Subject: Added test driver, fixed off-by-one bug.
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=c222cfb13218ffebf40f6b71f35efd6172d9aab0;p=fw%2Fpdclib

Added test driver, fixed off-by-one bug.


git-svn-id: https://srv7.svn-repos.de/dev34/pdclib/trunk@68 546481bc-9713-0410-bf18-d3337bbf4a3e
---

diff --git a/functions/string/memmove.c b/functions/string/memmove.c
index 38db9d9..e9a52b2 100644
--- a/functions/string/memmove.c
+++ b/functions/string/memmove.c
@@ -14,7 +14,7 @@ void * memmove( void * s1, const void * s2, size_t n )
 {
     char * dest = (char *) s1;
     const char * src = (const char *) s2;
-    if ( dest < src )
+    if ( dest <= src )
     {
         while ( n-- )
         {
@@ -27,17 +27,25 @@ void * memmove( void * s1, const void * s2, size_t n )
         dest += n;
         while ( n-- )
         {
-            *dest-- = *src--;
+            *--dest = *--src;
         }
     }
     return s1;
 }
 
-#warning Test driver missing.
-
 #ifdef TEST
+#include <_PDCLIB_test.h>
+
 int main()
 {
-    return 0;
+    char s[10] = "xxxxabcde";
+    BEGIN_TESTS;
+    TESTCASE( memmove( s, s + 4, 5 ) == s );
+    TESTCASE( s[0] == 'a' );
+    TESTCASE( s[4] == 'e' );
+    TESTCASE( s[5] == 'b' );
+    TESTCASE( memmove( s + 4, s, 5 ) == s + 4 );
+    TESTCASE( s[4] == 'a' );
+    return TEST_RESULTS;
 }
 #endif