From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Tue, 13 Oct 2009 23:15:58 +0000 (-0400)
Subject: usttrace: enhance
X-Git-Tag: v0.1~85
X-Git-Url: http://git.lttng.org/?p=ust.git;a=commitdiff_plain;h=cd81471175c92d96c593c6fe7b7a37cd491d9e78

usttrace: enhance
---

diff --git a/usttrace b/usttrace
index cb94640..689cdde 100755
--- a/usttrace
+++ b/usttrace
@@ -3,13 +3,14 @@
 # usttrace  by Pierre-Marc Fournier 2009
 # Distributed under the GPLv2.
 
-USTD="./ustd/ustd"
-LIBINTERFORK_PATH="./libinterfork/.libs/libinterfork.so"
-LIBMALLOCWRAP_PATH="./libmallocwrap/.libs/libmallocwrap.so"
+USTTRACE_DIR="$(dirname $0)"
+USTD="${USTTRACE_DIR}/ustd/ustd"
+LIBINTERFORK_PATH="${USTTRACE_DIR}/libinterfork/.libs/libinterfork.so"
+LIBMALLOCWRAP_PATH="${USTTRACE_DIR}/libmallocwrap/.libs/libmallocwrap.so"
 
-STD_LDLIBRARY_UST="./libust/.libs:../liburcu"
+STD_LDLIBRARY_UST="${USTTRACE_DIR}/libust/.libs"
 
-BASE_TRACE_DIR="$HOME/.usttraces"
+BASE_TRACE_DIR="${HOME}/.usttraces"
 
 function usage () {
 	echo "usage:  $0 OPTIONS COMMAND" 2>/dev/stderr
@@ -44,6 +45,12 @@ while getopts ":hlLmfs" options; do
 done
 shift $(($OPTIND - 1))
 
+if [ ! -x "$USTD" ];
+then
+	error "specified path to ustd not executable ($USTD)"
+	exit 1
+fi
+
 # Prepare vars
 CMD=$1