From: Nick Bowler <nbowler@draconx.ca>
Date: Sat, 11 Jul 2009 04:47:29 +0000 (-0400)
Subject: upkg: Print usage info on stdout/stderr as appropriate.
X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/commitdiff_plain/4b340ebadaa33a8f8c342136b93d8a1568dafd21

upkg: Print usage info on stdout/stderr as appropriate.
---

diff --git a/src/upkg.c b/src/upkg.c
index 12dc09e..62f9936 100644
--- a/src/upkg.c
+++ b/src/upkg.c
@@ -57,14 +57,14 @@ There is NO WARRANTY, to the extent permitted by law."
 	);
 }
 
-void print_usage(void)
+void print_usage(FILE *f)
 {
-	printf("Usage: %s [options] package\n", progname);
+	fprintf(f, "Usage: %s [options] package\n", progname);
 }
 
 void print_help(void)
 {
-	print_usage();
+	print_usage(stdout);
 	puts("Detailed help coming soon.  Until then, I'll just list my options.");
 	for (unsigned i = 0; lopts[i].name; i++) {
 		const struct option *o = &lopts[i];
@@ -175,13 +175,13 @@ int main(int argc, char **argv)
 			print_help();
 			return EXIT_SUCCESS;
 		default:
-			print_usage();
+			print_usage(stderr);
 			return EXIT_FAILURE;
 		}
 	}
 
 	if (argv[optind] == NULL) {
-		print_usage();
+		print_usage(stderr);
 		return EXIT_FAILURE;
 	}