From 975d4de90d781d0043fd74ef575a08d7d10e7c73 Mon Sep 17 00:00:00 2001
From: Horst Schirmeier <horst.schirmeier@tu-dortmund.de>
Date: Sat, 7 Feb 2015 15:58:23 +0100
Subject: [PATCH] ecos: detect potential ftell failure

ftell() potentially fails and returns -1.  Found by Coverity Scan,
CID 25546.

Change-Id: Ifcf6fa8593cb1f3f54dbbff27ac021d46468a40c
---
 src/experiments/ecos_kernel_test/experiment.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/experiments/ecos_kernel_test/experiment.cc b/src/experiments/ecos_kernel_test/experiment.cc
index d9779af0..d5569441 100644
--- a/src/experiments/ecos_kernel_test/experiment.cc
+++ b/src/experiments/ecos_kernel_test/experiment.cc
@@ -176,8 +176,10 @@ std::vector<char> EcosKernelTestExperiment::loadFile(std::string filename)
 	fseek(f, 0, SEEK_END);
 	long len = ftell(f);
 	fseek(f, 0, SEEK_SET);
-	data.resize(len);
-	fread(&data[0], len, 1, f);
+	if (len > 0) {
+		data.resize(len);
+		fread(&data[0], len, 1, f);
+	}
 	fclose(f);
 	return data;
 }