X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcat.c;h=e76b7db6fb34ee2033faba74e936058ffcfeb79f;hb=b533867fc9062c9f88f94a1de99ef78c6b7e91a1;hp=f6a7d15f2246c456ef534a4d7850f3a8e62fd534;hpb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;p=pdclib

diff --git a/functions/string/strcat.c b/functions/string/strcat.c
index f6a7d15..e76b7db 100644
--- a/functions/string/strcat.c
+++ b/functions/string/strcat.c
@@ -8,7 +8,9 @@
    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 +23,27 @@ 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()
+{
+    char s[] = "xx\0xxxxxx";
+    BEGIN_TESTS;
+    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