diff -r 75d4b6a55593 -r b7d55f3fa183 main.c
--- a/main.c	Mon Apr 07 21:29:21 2008 -0400
+++ b/main.c	Mon Apr 07 21:32:19 2008 -0400
@@ -267,6 +267,11 @@
 
 	if (stat(file, &buf) < 0) {
 		fp = fopen(file, "w");
+		if (fp == NULL) {
+			fprintf(stderr,
+				"failed to open %s for writing\n", file);
+			return -1;
+		}
 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
 		curl_easy_setopt(curl, CURLOPT_URL, url);
 		res = curl_easy_perform(curl);