vis: use single function call to print version information

This results in a slightly smaller binary while still avoiding #ifdefs.

Close #494

1 files changed, 6 insertions, 12 deletions

diff --git a/main.c b/main.c
index e5940c5..19d5b91 100644
--- a/main.c
+++ b/main.c
@@ -2240,18 +2240,12 @@ int main(int argc, char *argv[]) {
 		} else if (strcmp(argv[i], "--") == 0) {
 			break;
 		} else if (strcmp(argv[i], "-v") == 0) {
-			fputs("vis " VERSION, stdout);
-			if (CONFIG_LUA)
-				fputs(" +lua", stdout);
-			if (CONFIG_LPEG)
-				fputs(" +lpeg", stdout);
-			if (CONFIG_TRE)
-				fputs(" +tre", stdout);
-			if (CONFIG_ACL)
-				fputs(" +acl", stdout);
-			if (CONFIG_SELINUX)
-				fputs(" +selinux", stdout);
-			fputs("\n", stdout);
+			printf("vis %s%s%s%s%s%s\n", VERSION,
+			       CONFIG_LUA ? " +lua" : "",
+			       CONFIG_LPEG ? " +lpeg" : "",
+			       CONFIG_TRE ? " +tre" : "",
+			       CONFIG_ACL ? " +acl" : "",
+			       CONFIG_SELINUX ? " +selinux" : "");
 			return 0;
 		} else {
 			fprintf(stderr, "Unknown command option: %s\n", argv[i]);