From: Simon Tatham <anakin@pobox.com>
Date: Fri, 12 Dec 2008 19:49:05 +0000 (+0000)
Subject: Don't ignore the return code of fwrite(). (Slight modification of a
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=17334d19452b8818865c31bf2e42d2cf334c1f02;p=sgt-puzzles.git

Don't ignore the return code of fwrite(). (Slight modification of a
patch from Phil Bordelon.)

[originally from svn r8373]
---

diff --git a/obfusc.c b/obfusc.c
index 0db8aee..dc0656c 100644
--- a/obfusc.c
+++ b/obfusc.c
@@ -114,7 +114,11 @@ int main(int argc, char **argv)
     obfuscate_bitmap(data, datalen * 8, decode);
 
     if (outputmode == BINARY) {
-	fwrite(data, 1, datalen, stdout);
+	int ret = fwrite(data, 1, datalen, stdout);
+        if (ret < 0) {
+            fprintf(stderr, "obfusc: write: %s\n", strerror(errno));
+            return 1;
+        }
     } else {
 	int i;
 	for (i = 0; i < datalen; i++)