Standardize version output

Changes:

* Only print the version line in the print_version function
* Add a print_version function where missing (put it in usage.c if the
  file exists)
* Always a blank line after the version

1 files changed, 6 insertions, 3 deletions

diff --git a/src/firecfg/main.c b/src/firecfg/main.c
index 0725ca79f..c9dc27b1b 100644
--- a/src/firecfg/main.c
+++ b/src/firecfg/main.c
@@ -59,11 +59,14 @@ static char *usage_str =
         "License GPL version 2 or later\n"
         "Homepage: https://firejail.wordpress.com\n\n";
 
-static void usage(void) {
+static void print_version(void) {
         printf("firecfg version %s\n\n", VERSION);
-        puts(usage_str);
 }
 
+static void usage(void) {
+        print_version();
+        puts(usage_str);
+}
 
 static void list(void) {
         DIR *dir = opendir(arg_bindir);
@@ -364,7 +367,7 @@ int main(int argc, char **argv) {
                 else if (strcmp(argv[i], "--debug") == 0)
                         arg_debug = 1;
                 else if (strcmp(argv[i], "--version") == 0) {
-                        printf("firecfg version %s\n\n", VERSION);
+                        print_version();
                         return 0;
                 }
                 else if (strcmp(argv[i], "--clean") == 0) {