From: Joel Rosdahl <joel@rosdahl.net>
Date: Sun, 9 May 2010 14:56:16 +0000 (+0200)
Subject: Check error from gzread when copying file
X-Git-Tag: v3.0pre1~20
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=89fe28488e30657591386c63f906ffdece4b9e02;p=thirdparty%2Fccache.git

Check error from gzread when copying file
---

diff --git a/util.c b/util.c
index 030deee98..f62aec004 100644
--- a/util.c
+++ b/util.c
@@ -190,6 +190,19 @@ int copy_file(const char *src, const char *dest, int compress_dest)
 			return -1;
 		}
 	}
+	if (n == 0 && !gzeof(gz_in)) {
+		int errnum;
+		cc_log("gzread error: %s (errno: %s)",
+		       gzerror(gz_in, &errnum), strerror(errno));
+		gzclose(gz_in);
+		if (gz_out) {
+			gzclose(gz_out);
+		}
+		close(fd_out);
+		unlink(tmp_name);
+		free(tmp_name);
+		return -1;
+	}
 
 	gzclose(gz_in);
 	if (gz_out) {