FYI: command line: fix minor leaks

[Akim Demaille]

Installed in maint.

From 0b7fba1335c0c3fde1eab89e265cbcecf20885a8 Mon Sep 17 00:00:00 2001
From: Akim Demaille <address@hidden>
Date: Tue, 8 May 2012 10:27:34 +0200
Subject: [PATCH 2/2] command line: fix minor leaks.

* src/getargs.c (getargs): Free pointers before allocating them new
content.
---
 src/getargs.c |   16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/getargs.c b/src/getargs.c
index 1185e40..3fa2a7a 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -606,13 +606,19 @@ getargs (int argc, char *argv[])
         /* Here, the -d and --defines options are differentiated.  */
         defines_flag = true;
         if (optarg)
-          spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_defines_file);
+            spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+          }
         break;
 
       case 'g':
        graph_flag = true;
        if (optarg)
-         spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_graph_file);
+            spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+          }
        break;
 
       case 'h':
@@ -649,7 +655,10 @@ getargs (int argc, char *argv[])
       case 'x':
        xml_flag = true;
        if (optarg)
-         spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_xml_file);
+            spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+          }
        break;
 
       case 'y':
@@ -669,6 +678,7 @@ getargs (int argc, char *argv[])
        exit (EXIT_SUCCESS);
 
       case REPORT_FILE_OPTION:
+        free (spec_verbose_file);
        spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
        break;
 
-- 
1.7.10.1