X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrncmp.c;h=286d41ed6baedaf951428f918828eb9e548a9bdd;hb=5e50b669665ed5d378e8f9a09e1ced3680890337;hp=f64984ebc1b9ec4f5fc3a2e396560029124e6b89;hpb=41afb7a0762978ee57d1a8d6223e82e73f2acb9b;p=pdclib.old

diff --git a/functions/string/strncmp.c b/functions/string/strncmp.c
index f64984e..286d41e 100644
--- a/functions/string/strncmp.c
+++ b/functions/string/strncmp.c
@@ -10,6 +10,8 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 int strncmp( const char * s1, const char * s2, size_t n )
 {
     while ( n && ( *s1 == *s2 ) )
@@ -27,3 +29,26 @@ int strncmp( const char * s1, const char * s2, size_t n )
         return ( *s1 - *s2 );
     }
 }
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    char cmpabcde[] = "abcde";
+    char empty[] = "";
+    char x[] = "x";
+    BEGIN_TESTS;
+    TESTCASE( strncmp( abcde, cmpabcde, 5 ) == 0 );
+    TESTCASE( strncmp( abcde, abcdx, 5 ) < 0 );
+    TESTCASE( strncmp( abcdx, abcde, 5 ) > 0 );
+    TESTCASE( strncmp( empty, abcde, 5 ) < 0 );
+    TESTCASE( strncmp( abcde, empty, 5 ) > 0 );
+    TESTCASE( strncmp( abcde, abcdx, 4 ) == 0 );
+    TESTCASE( strncmp( abcde, x, 0 ) == 0 );
+    TESTCASE( strncmp( abcde, x, 1 ) < 0 );
+    return TEST_RESULTS;
+}
+#endif