X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcat.c;h=42e6144e334988d4f5afd117492c454d7293ffbb;hb=b1fc26afebd4d557ff89a44bc21767a8704c3809;hp=f6a7d15f2246c456ef534a4d7850f3a8e62fd534;hpb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;p=pdclib

diff --git a/functions/string/strcat.c b/functions/string/strcat.c
index f6a7d15..42e6144 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 )
 {
@@ -21,4 +19,26 @@ char * strcat( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
     return rc;
 }
 
-#warning Test driver missing.
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    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