[tor-commits] [tor/master] Free leakable values in the unit tests.

[nickm@xxxxxxxxxxxxxx]

commit c3720c05fa44b3790ab0dc37e2506ee482796e21
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Tue Feb 11 18:10:33 2014 -0500

    Free leakable values in the unit tests.
    
    Thanks, Coverity!  (CID 1171414, 1171415, 1171416)
---
 src/test/test.c        |    6 ++++--
 src/test/test_config.c |   11 +++++++++--
 src/test/test_dir.c    |    4 +++-
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/test/test.c b/src/test/test.c
index 522f2af..45f7c09 100644
--- a/src/test/test.c
+++ b/src/test/test.c
@@ -875,6 +875,7 @@ test_policies(void)
   {
     int i;
     char *policy = NULL;
+    short_policy_t *parsed;
     smartlist_t *chunks = smartlist_new();
     smartlist_add(chunks, tor_strdup("accept "));
     for (i=1; i<10000; ++i)
@@ -883,8 +884,9 @@ test_policies(void)
     policy = smartlist_join_strings(chunks, "", 0, NULL);
     SMARTLIST_FOREACH(chunks, char *, ch, tor_free(ch));
     smartlist_free(chunks);
-    tt_ptr_op(NULL, ==, parse_short_policy(policy));/* shouldn't be accepted */
-    tor_free(policy); /* could leak. */
+    parsed = parse_short_policy(policy);/* shouldn't be accepted */
+    tor_free(policy);
+    tt_ptr_op(NULL, ==, parsed);
   }
 
   /* truncation ports */
diff --git a/src/test/test_config.c b/src/test/test_config.c
index 3a1b6d7..a1dff64 100644
--- a/src/test/test_config.c
+++ b/src/test/test_config.c
@@ -247,6 +247,7 @@ test_config_write_to_data_subdir(void *arg)
 {
   or_options_t* options = get_options_mutable();
   char *datadir = options->DataDirectory = tor_strdup(get_fname("datadir-1"));
+  char *cp = NULL;
   const char* subdir = "test_stats";
   const char* fname = "test_file";
   const char* str =
@@ -280,17 +281,23 @@ test_config_write_to_data_subdir(void *arg)
   // Content of file after write attempt should be
   // equal to the original string.
   test_assert(!write_to_data_subdir(subdir, fname, str, NULL));
-  test_streq(read_file_to_str(filepath, 0, NULL), str);
+  cp = read_file_to_str(filepath, 0, NULL);
+  test_streq(cp, str);
+  tor_free(cp);
 
   // A second write operation should overwrite the old content.
   test_assert(!write_to_data_subdir(subdir, fname, str, NULL));
-  test_streq(read_file_to_str(filepath, 0, NULL), str);
+  cp = read_file_to_str(filepath, 0, NULL);
+  test_streq(cp, str);
+  tor_free(cp);
+
 
  done:
   (void) unlink(filepath);
   rmdir(options->DataDirectory);
   tor_free(datadir);
   tor_free(filepath);
+  tor_free(cp);
 }
 
 /* Test helper function: Make sure that a bridge line gets parsed
diff --git a/src/test/test_dir.c b/src/test/test_dir.c
index 7c625ce..dcfe98d 100644
--- a/src/test/test_dir.c
+++ b/src/test/test_dir.c
@@ -1230,7 +1230,8 @@ test_a_networkstatus(
   vote_routerstatus_t *vrs;
   routerstatus_t *rs;
   int idx, n_rs, n_vrs;
-  char *v1_text=NULL, *v2_text=NULL, *v3_text=NULL, *consensus_text=NULL, *cp;
+  char *v1_text=NULL, *v2_text=NULL, *v3_text=NULL, *consensus_text=NULL,
+    *cp=NULL;
   smartlist_t *votes = smartlist_new();
 
   /* For generating the two other consensuses. */
@@ -1648,6 +1649,7 @@ test_a_networkstatus(
   }
 
  done:
+  tor_free(cp);
   smartlist_free(votes);
   tor_free(v1_text);
   tor_free(v2_text);

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