TRYHELP_GOODBYE macro added.

diff --git a/skein_cli.c b/skein_cli.c
index 82b2ae3a59922be03c84ee35dba4548c272e2899..0ea815bbda0f965110f3c8cfee10e4d38779a67b 100644 (file)
--- a/skein_cli.c
+++ b/skein_cli.c
@@ -31,6 +31,8 @@ along with skeinsum. If not, see <http://www.gnu.org/licenses/>.
 #include <errno.h>
 #include "SHA3api_ref.h"
 
+#define TRYHELP_GOODBYE() do { printf("Try 'skein%dsum --help' for more information.\n", hashbitlen); exit(1); } while(0)
+
 extern const int hashbitlen;
 
 #define MaxNmberFiles 10
@@ -380,9 +382,7 @@ int main(int argc, char** argv)
                        case HELP_OPTION    : print_usage();   /* ..never returns */
                        case VERSION_OPTION : print_version(); /* ..never returns */
 
-                       default:
-                               printf("Try `skein%dsum --help' for more information.\n",hashbitlen);
-                               exit(1);
+                       default: TRYHELP_GOODBYE();
                }
        }
 
@@ -424,8 +424,7 @@ int main(int argc, char** argv)
                if (check == 1 || quiet == 1 || warn == 1 || status == 1)
                {
                        printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen);
-                       printf("Try 'skein%dsum --help' for more information.\n",hashbitlen);
-                       exit(0);
+                       TRYHELP_GOODBYE();
                }
                if(number_files > 0)
                {
@@ -464,8 +463,7 @@ int main(int argc, char** argv)
                if (check == 1 || quiet == 1 || warn == 1 || status == 1)
                {
                        printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen);
-                       printf("Try 'skein%dsum --help' for more information.\n",hashbitlen);
-                       exit(0);
+                       TRYHELP_GOODBYE();
                }
                if(number_files > 0)
                {
@@ -505,9 +503,7 @@ int main(int argc, char** argv)
                                        printf("skein%dsum: the --status option is meaningful only when verifying checksums\n",hashbitlen);
                                if(warn == 1)
                                        printf("skein%dsum: the --warn option is meaningful only when verifying checksums\n",hashbitlen);
-
-                               printf("Try 'skein%dsum --help' for more information.\n",hashbitlen);
-                               exit(1);
+                               TRYHELP_GOODBYE();
                        }
                        if(number_files > 0)
                        {// hashing files
@@ -539,8 +535,7 @@ int main(int argc, char** argv)
                        if(tag == 1)
                        {
                                printf("skein%dsum: the --tag option is meaningless when verifying checksums\n",hashbitlen);
-                               printf("Try 'skein%dsum --help' for more information\n",hashbitlen);
-                               exit(1);
+                               TRYHELP_GOODBYE();
                        }
                        int index_files = 0;
                        while(index_files < number_files)