X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcmp.c;h=2edf7eef9043da27e1d0e330b27d4bc1d58d72aa;hb=e1c526e9bad3f6e69391e94059096145390508d3;hp=fea5d2dfc7ac19352e3ce4014e72e74a239b2c70;hpb=2f57d79a5a24856fdea69b2119d67e5fb5029b3e;p=pdclib

diff --git a/functions/string/strcmp.c b/functions/string/strcmp.c
index fea5d2d..2edf7ee 100644
--- a/functions/string/strcmp.c
+++ b/functions/string/strcmp.c
@@ -1,13 +1,13 @@
-/* $Id$ */
-
-/* Release $Name$ */
-
 /* strcmp( const 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 <string.h>
+
+#ifndef REGTEST
+
 int strcmp( const char * s1, const char * s2 )
 {
     while ( ( *s1 ) && ( *s1 == *s2 ) )
@@ -15,22 +15,25 @@ int strcmp( const char * s1, const char * s2 )
         ++s1;
         ++s2;
     }
-    return ( *s1 - *s2 );
+    return ( *(unsigned char *)s1 - *(unsigned char *)s2 );
 }
 
+#endif
+
 #ifdef TEST
 #include <_PDCLIB_test.h>
 
-int main()
+int main( void )
 {
     char cmpabcde[] = "abcde";
+    char cmpabcd_[] = "abcd\xfc";
     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 );
+    TESTCASE( strcmp( abcde, cmpabcd_ ) < 0 );
     return TEST_RESULTS;
 }
 #endif