getopt_long_quiet: fix for Linux environment

programs/cmp_tool.c

@@ -177,7 +177,7 @@ int testable_cmp_tool_main(int argc, char **argv)
 	model_id = DEFAULT_MODEL_ID;
 	model_counter = 0;
 
-	optreset = 1;
+	optind = 0;
 	return CMP_MAIN(argc, argv);
 }
 #else

test/fuzz/getopt_long_quiet.c

@@ -49,7 +49,9 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <err.h>
+/* include <err.h> */
+__extension__
+#define warnx(format, ...) (void)0
 #include <errno.h>
 #include <getopt.h>
 #include <stdlib.h>
@@ -57,7 +59,7 @@
 
 #define GNU_COMPATIBLE		/* Be more compatible, configure's use us! */
 
-#if 0				/* we prefer to keep our getopt(3) */
+#if 1
 #define	REPLACE_GETOPT		/* use this getopt as the system getopt(3) */
 #endif