From 4d809c2211e680238b131b185f9d7a4506724f06 Mon Sep 17 00:00:00 2001
From: Ben Kibbey <bjk@luxsci.net>
Date: Wed, 11 Jul 2007 12:44:47 -0400
Subject: [PATCH] Make the filename argument to pwmc optional. The command may
 be a cache command.

---
 pwmc.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/pwmc.c b/pwmc.c
index 9346bfc1..1e624957 100644
--- a/pwmc.c
+++ b/pwmc.c
@@ -34,7 +34,7 @@ static void usage(const char *pn)
 {
     fprintf(stderr, 
 	    "Reads PWMD protocol commands from standard input.\n\n"
-	    "Usage: %s [-hv] [-E] [-s <socket>] [[-a [-P pinentry]] | [-p <password>]] [-S] <filename>\n"
+	    "Usage: %s [-hv] [-E] [-s <socket>] [[-a [-P pinentry]] | [-p <password>]] [-S] [filename]\n"
 	    "   -E  exit after a command failure\n"
 	    "   -s  socket path\n"
 	    "   -p  password\n"
@@ -102,10 +102,9 @@ int main(int argc, char *argv[])
     if (use_pinentry && password)
 	usage(argv[0]);
 
-    if (argc - optind != 1)
-	usage(argv[0]);
+    if (argc - optind == 1)
+	filename = argv[optind];
 
-    filename = argv[optind];
     pwmd_init();
     
     if ((pwm = pwmd_connect(socketpath, &error)) == NULL) {
@@ -156,7 +155,7 @@ int main(int argc, char *argv[])
 	xfree(password);
     }
 
-    if (pwmd_open(pwm, &error, filename) != PWMD_OK) {
+    if (filename && pwmd_open(pwm, &error, filename) != PWMD_OK) {
 	show_error(error);
 	pwmd_close(pwm);
 	exit(EXIT_FAILURE);
-- 
2.11.4.GIT