From: Arvin Schnell <aschnell@suse.de>
Date: Thu, 10 Feb 2011 14:00:35 +0000 (+0100)
Subject: - check file opening
X-Git-Tag: v0.1.3~494
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=27cfb1b8d6a1eddf02ec9fb13e147515e98976f0;p=thirdparty%2Fsnapper.git

- check file opening
---

diff --git a/tools/snapper.cc b/tools/snapper.cc
index 8a704200..3b0faa5b 100644
--- a/tools/snapper.cc
+++ b/tools/snapper.cc
@@ -267,6 +267,11 @@ command_diff()
     if ((it = opts.find("output")) != opts.end())
     {
 	file = fopen(it->second.c_str(), "w");
+	if (!file)
+	{
+	    cerr << sformat(_("Opening file '%s' failed."), it->second.c_str()) << endl;
+	    exit(EXIT_FAILURE);
+	}
     }
 
     Snapshots::const_iterator snap1 = readNum(getopts.popArg());
@@ -320,6 +325,11 @@ command_rollback()
     if ((it = opts.find("file")) != opts.end())
     {
 	file = fopen(it->second.c_str(), "r");
+	if (!file)
+	{
+	    cerr << sformat(_("Opening file '%s' failed."), it->second.c_str()) << endl;
+	    exit(EXIT_FAILURE);
+	}
     }
 
     sh->setComparison(snap1, snap2);
@@ -438,6 +448,7 @@ main(int argc, char** argv)
     }
 
     GetOpts::parsed_opts::const_iterator it;
+
     if ((it = opts.find("quiet")) != opts.end())
 	quiet = true;