X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcmp.c;h=6519b01d6c65733d71cb3529e6bd9f6142732ee9;hb=b533867fc9062c9f88f94a1de99ef78c6b7e91a1;hp=6dbb142df93beb3cf63da79c164a03325ead7d4b;hpb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;p=pdclib

diff --git a/functions/string/strcmp.c b/functions/string/strcmp.c
index 6dbb142..6519b01 100644
--- a/functions/string/strcmp.c
+++ b/functions/string/strcmp.c
@@ -8,6 +8,10 @@
    Permission is granted to use, modify, and / or redistribute at will.
 */
 
+#include <string.h>
+
+#ifndef REGTEST
+
 int strcmp( const char * s1, const char * s2 )
 {
     while ( ( *s1 ) && ( *s1 == *s2 ) )
@@ -18,4 +22,21 @@ int strcmp( const char * s1, const char * s2 )
     return ( *s1 - *s2 );
 }
 
-#warning Test driver missing.
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    char cmpabcde[] = "abcde";
+    char empty[] = "";
+    BEGIN_TESTS;
+    TESTCASE( strcmp( abcde, cmpabcde ) == 0 );
+    TESTCASE( strcmp( abcde, abcdx ) < 0 );
+    TESTCASE( strcmp( abcdx, abcde ) > 0 );
+    TESTCASE( strcmp( empty, abcde ) < 0 );
+    TESTCASE( strcmp( abcde, empty ) > 0 );
+    return TEST_RESULTS;
+}
+#endif