1 files changed, 8 insertions, 14 deletions

diff --git a/coreutils/comm.c b/coreutils/comm.c
index f390490e2..2354bac0b 100644
--- a/coreutils/comm.c
+++ b/coreutils/comm.c
@@ -38,7 +38,7 @@ static int only_file_2;
 static int both;
 
 /* writeline outputs the input given, appropriately aligned according to class */
-static void writeline (char *line, int class)
+static void writeline(char *line, int class)
 {
         switch (class) {
                 case 1:
@@ -133,24 +133,18 @@ static int cmp_files(char **infiles)
         return 0;
 }
 
-int comm_main (int argc, char **argv)
+int comm_main(int argc, char **argv)
 {
-        unsigned long opt;
-        only_file_1 = 1;
-        only_file_2 = 1;
-        both = 1;
+        unsigned long flags;
 
-        opt = bb_getopt_ulflags(argc, argv, "123");
+        flags = bb_getopt_ulflags(argc, argv, "123");
 
-        if (optind != argc + 2)
+        if (optind + 2 != argc)
                 bb_show_usage();
 
-        if (opt & COMM_OPT_1)
-                only_file_1 = 0;
-        if (opt & COMM_OPT_2)
-                only_file_2 = 0;
-        if (opt & COMM_OPT_3)
-                both = 0;
+        only_file_1 = !(flags & COMM_OPT_1);
+        only_file_2 = !(flags & COMM_OPT_2);
+        both = !(flags & COMM_OPT_3);
 
         exit(cmp_files(argv + optind) == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }