Add valgrind tests and fix memleaks

tests/indent.sh

@@ -1,12 +1,27 @@
 #!/bin/sh
 
+case $# in
+	0)
+		source_dir="."
+		;;
+	1)
+		source_dir=$1
+		;;
+	*)
+		echo "usage: $0 [source_dir]"
+		exit 1
+		;;
+esac
+
 ret=0
-find .. -name "*.c" -o -name "*.h" | while read f; do
+find "$source_dir" -name "*.c" -o -name "*.h" | while read f; do
 	case $f in
-		../*/CMakeFiles/*)
+		${source_dir}/*/CMakeFiles/*)
+			;;
+		${source_dir}/CMakeFiles/*)
 			;;
 		*)
-			INDENT_PROFILE=../.indent.pro indent -st $f | diff -u $f -
+			INDENT_PROFILE="${source_dir}/.indent.pro" indent -st "$f" | diff -u "$f" -
 			ret=$((ret+$?))
 			;;
 	esac

tests/iwyu.py

@@ -5,8 +5,20 @@ from __future__ import print_function
 import json
 import subprocess
 import shlex
+import sys
+import os
 
-with open("compile_commands.json", "r") as f:
+if len(sys.argv) == 1:
+    build_dir = "."
+elif len(sys.argv) == 2:
+    build_dir = sys.argv[1]
+else:
+    print("usage: %s [build_dir]"%sys.argv[0])
+    exit(1)
+
+compile_commands = os.path.join(build_dir, "compile_commands.json")
+
+with open(compile_commands, "r") as f:
     tunits = json.load(f)
 
 result = 0

tests/valgrind.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+case $# in
+	0)
+		source_dir="."
+		binary_dir="."
+		;;
+	2)
+		source_dir=$1
+		binary_dir=$2
+		;;
+	*)
+		echo "usage: $0 [source_dir] [binary_dir]"
+		exit 1
+		;;
+esac
+
+cmd="valgrind --suppressions="${source_dir}/valgrind.supp" --fullpath-after="$source_dir" --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes --track-origins=yes"
+
+$cmd "${binary_dir}/mfshell" -c "help; whoami"