X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstring%2Fstrcat.c;h=50d66ee0891c681438d95f6fc8200235ef459968;hp=a4eab143b3352907df5f21e6877d9b1dcc083dee;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=ba5eff8dd9b426485e1559b5d6204692d155d9e8

diff --git a/functions/string/strcat.c b/functions/string/strcat.c
index a4eab14..50d66ee 100644
--- a/functions/string/strcat.c
+++ b/functions/string/strcat.c
@@ -1,14 +1,12 @@
-/* $Id$ */
-
-/* Release $Name$ */
-
 /* strcat( char *, const char * )
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
 */
 
-#include <_PDCLIB_aux.h>
+#include <string.h>
+
+#ifndef REGTEST
 
 char * strcat( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
 {
@@ -21,11 +19,26 @@ char * strcat( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
     return rc;
 }
 
-#warning Test driver missing.
+#endif
 
 #ifdef TEST
-int main()
+#include "_PDCLIB_test.h"
+
+int main( void )
 {
-    return 0;
+    char s[] = "xx\0xxxxxx";
+    TESTCASE( strcat( s, abcde ) == s );
+    TESTCASE( s[2] == 'a' );
+    TESTCASE( s[6] == 'e' );
+    TESTCASE( s[7] == '\0' );
+    TESTCASE( s[8] == 'x' );
+    s[0] = '\0';
+    TESTCASE( strcat( s, abcdx ) == s );
+    TESTCASE( s[4] == 'x' );
+    TESTCASE( s[5] == '\0' );
+    TESTCASE( strcat( s, "\0" ) == s );
+    TESTCASE( s[5] == '\0' );
+    TESTCASE( s[6] == 'e' );
+    return TEST_RESULTS;
 }
 #endif