From cb0125e15646bc663628023ff5862b26a1241dcd Mon Sep 17 00:00:00 2001
From: Alex Epifano <aepifano@gatech.edu>
Date: Tue, 27 Dec 2016 19:43:15 -0500
Subject: Use mktemp for tmp dir

---
 common/libc.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/common/libc.sh b/common/libc.sh
index b054595..7e2a760 100644
--- a/common/libc.sh
+++ b/common/libc.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-mkdir -p tmp db
+mkdir -p db
 
 die() {
   echo >&2 $1
@@ -62,21 +62,22 @@ check_id() {
 get_ubuntu() {
   local url="$1"
   local info="$2"
+  local tmp=`mktemp -d || mktemp -d -t "libc-database" || die "Cannot get temp dir"`
   echo "Getting $info"
   echo "  -> Location: $url"
   local id=`echo $url | perl -n -e '/(libc6[^\/]*)\./ && print $1'`
   echo "  -> ID: $id"
   check_id $id || return
   echo "  -> Downloading package"
-  rm -rf tmp/*
-  wget $url 2>/dev/null -O tmp/pkg.deb || die "Failed to download package from $url"
+  wget $url 2>/dev/null -O $tmp/pkg.deb || die "Failed to download package from $url"
   echo "  -> Extracting package"
-  cd tmp
+  pushd $tmp 1>/dev/null
   ar x pkg.deb || die "ar failed"
   tar xf data.tar.* || die "tar failed"
-  cd ..
-  local libc=`find tmp -name libc.so.6 || die "Cannot locate libc.so.6"`
+  popd 1>/dev/null
+  local libc=`find $tmp -name libc.so.6 || die "Cannot locate libc.so.6"`
   process_libc $libc $id $info
+  rm -rf $tmp
 }
 
 get_current_ubuntu() {
-- 
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