From 991ca5dd940ab9f1deb492b3c8cec4692c2f7099 Mon Sep 17 00:00:00 2001
From: "Serge A. Zaitsev" <devnull@localhost>
Date: Wed, 17 Nov 2010 12:05:29 +0200
Subject: [PATCH] Demo: can now read from stdin

---
 demo.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/demo.c b/demo.c
index 1d32944..4a76436 100644
--- a/demo.c
+++ b/demo.c
@@ -57,10 +57,14 @@ int main(int argc, char *argv[]) {
 		exit(EXIT_SUCCESS);
 	}
 
-	f = fopen(argv[1], "r");
-	if (f == NULL) {
-		fprintf(stderr, "Failed to open file `%s`\n", argv[1]);
-		exit(EXIT_FAILURE);
+	if (strcmp(argv[1], "-") == 0) {
+		f = stdin;
+	} else {
+		f = fopen(argv[1], "r");
+		if (f == NULL) {
+			fprintf(stderr, "Failed to open file `%s`\n", argv[1]);
+			exit(EXIT_FAILURE);
+		}
 	}
 
 	while (1) {