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[tor-commits] [tor/master] Make all the free() functions from container.h clear their targets
commit 94db8f32e46925c3a64def751e5d2efbddbdf417
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date: Fri Nov 17 11:46:25 2017 -0500
Make all the free() functions from container.h clear their targets
---
src/common/container.c | 6 +++---
src/common/container.h | 27 +++++++++++++++++++++------
src/or/config.c | 4 +++-
src/or/router.c | 1 +
src/or/routerlist.c | 4 ++++
src/test/test_dir.c | 4 ++--
src/test/test_routerset.c | 46 +++++++++++++++++++++++-----------------------
7 files changed, 57 insertions(+), 35 deletions(-)
diff --git a/src/common/container.c b/src/common/container.c
index 8645cb482..a6e3c11f3 100644
--- a/src/common/container.c
+++ b/src/common/container.c
@@ -42,7 +42,7 @@ smartlist_new,(void))
* list's elements.
*/
MOCK_IMPL(void,
-smartlist_free,(smartlist_t *sl))
+smartlist_free_,(smartlist_t *sl))
{
if (!sl)
return;
@@ -1335,7 +1335,7 @@ digest256map_assign_key(digest256map_entry_t *ent, const uint8_t *key)
* those entries. If free_val is provided, invoked it every value in \
* <b>map</b>. */ \
MOCK_IMPL(void, \
- prefix##_free, (maptype *map, void (*free_val)(void*))) \
+ prefix##_free_, (maptype *map, void (*free_val)(void*))) \
{ \
prefix##_entry_t **ent, **next, *this; \
if (!map) \
@@ -1525,7 +1525,7 @@ digestset_new(int max_elements)
/** Free all storage held in <b>set</b>. */
void
-digestset_free(digestset_t *set)
+digestset_free_(digestset_t *set)
{
if (!set)
return;
diff --git a/src/common/container.h b/src/common/container.h
index f6affd3bc..95dfa4c90 100644
--- a/src/common/container.h
+++ b/src/common/container.h
@@ -28,7 +28,9 @@ typedef struct smartlist_t {
} smartlist_t;
MOCK_DECL(smartlist_t *, smartlist_new, (void));
-MOCK_DECL(void, smartlist_free, (smartlist_t *sl));
+MOCK_DECL(void, smartlist_free_, (smartlist_t *sl));
+#define smartlist_free(sl) FREE_AND_NULL(smartlist, (sl))
+
void smartlist_clear(smartlist_t *sl);
void smartlist_add(smartlist_t *sl, void *element);
void smartlist_add_all(smartlist_t *sl, const smartlist_t *s2);
@@ -350,7 +352,7 @@ char *smartlist_join_strings2(smartlist_t *sl, const char *join,
void* prefix##set(maptype *map, keytype key, void *val); \
void* prefix##get(const maptype *map, keytype key); \
void* prefix##remove(maptype *map, keytype key); \
- MOCK_DECL(void, prefix##free, (maptype *map, void (*free_val)(void*))); \
+ MOCK_DECL(void, prefix##free_, (maptype *map, void (*free_val)(void*))); \
int prefix##isempty(const maptype *map); \
int prefix##size(const maptype *map); \
prefix##iter_t *prefix##iter_init(maptype *map); \
@@ -368,6 +370,16 @@ DECLARE_MAP_FNS(digestmap_t, const char *, digestmap_);
* table. */
DECLARE_MAP_FNS(digest256map_t, const uint8_t *, digest256map_);
+#define MAP_FREE_AND_NULL(maptype, map, fn) \
+ do { \
+ maptype ## _free_((map), (fn)); \
+ (map) = NULL; \
+ } while (0)
+
+#define strmap_free(map, fn) MAP_FREE_AND_NULL(strmap, (map), (fn))
+#define digestmap_free(map, fn) MAP_FREE_AND_NULL(digestmap, (map), (fn))
+#define digest256map_free(map, fn) MAP_FREE_AND_NULL(digest256map, (map), (fn))
+
#undef DECLARE_MAP_FNS
/** Iterates over the key-value pairs in a map <b>map</b> in order.
@@ -528,9 +540,9 @@ void* strmap_remove_lc(strmap_t *map, const char *key);
return (valtype*)digestmap_remove((digestmap_t*)map, key); \
} \
ATTR_UNUSED static inline void \
- prefix##f##ree(maptype *map, void (*free_val)(void*)) \
+ prefix##f##ree_(maptype *map, void (*free_val)(void*)) \
{ \
- digestmap_free((digestmap_t*)map, free_val); \
+ digestmap_free_((digestmap_t*)map, free_val); \
} \
ATTR_UNUSED static inline int \
prefix##isempty(maptype *map) \
@@ -614,10 +626,12 @@ bitarray_expand(bitarray_t *ba,
}
/** Free the bit array <b>ba</b>. */
static inline void
-bitarray_free(bitarray_t *ba)
+bitarray_free_(bitarray_t *ba)
{
tor_free(ba);
}
+#define bitarray_free(ba) FREE_AND_NULL(bitarray, (ba))
+
/** Set the <b>bit</b>th bit in <b>b</b> to 1. */
static inline void
bitarray_set(bitarray_t *b, int bit)
@@ -679,7 +693,8 @@ digestset_contains(const digestset_t *set, const char *digest)
#undef BIT
digestset_t *digestset_new(int max_elements);
-void digestset_free(digestset_t* set);
+void digestset_free_(digestset_t* set);
+#define digestset_free(set) FREE_AND_NULL(digestset, (set))
/* These functions, given an <b>array</b> of <b>n_elements</b>, return the
* <b>nth</b> lowest element. <b>nth</b>=0 gives the lowest element;
diff --git a/src/or/config.c b/src/or/config.c
index b0a140d23..fac3a36d1 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -778,7 +778,7 @@ static or_options_t *global_default_options = NULL;
/** Name of most recently read torrc file. */
static char *torrc_fname = NULL;
/** Name of the most recently read torrc-defaults file.*/
-static char *torrc_defaults_fname;
+static char *torrc_defaults_fname = NULL;
/** Configuration options set by command line. */
static config_line_t *global_cmdline_options = NULL;
/** Non-configuration options set by the command line */
@@ -977,6 +977,8 @@ config_free_all(void)
tor_free(the_short_tor_version);
tor_free(the_tor_version);
+
+ have_parsed_cmdline = 0;
}
/** Make <b>address</b> -- a piece of information related to our operation as
diff --git a/src/or/router.c b/src/or/router.c
index 8ad5d038e..614d76a36 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -3698,6 +3698,7 @@ router_free_all(void)
crypto_pk_free(lastonionkey);
crypto_pk_free(server_identitykey);
crypto_pk_free(client_identitykey);
+
tor_mutex_free(key_lock);
routerinfo_free(desc_routerinfo);
extrainfo_free(desc_extrainfo);
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index fb8225e0d..50d5cc1ab 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -143,6 +143,10 @@ DECLARE_TYPED_DIGESTMAP_FNS(dsmap_, digest_ds_map_t, download_status_t)
#define DSMAP_FOREACH(map, keyvar, valvar) \
DIGESTMAP_FOREACH(dsmap_to_digestmap(map), keyvar, download_status_t *, \
valvar)
+#define eimap_free(map, fn) MAP_FREE_AND_NULL(eimap, (map), (fn))
+#define rimap_free(map, fn) MAP_FREE_AND_NULL(rimap, (map), (fn))
+#define dsmap_free(map, fn) MAP_FREE_AND_NULL(dsmap, (map), (fn))
+#define sdmap_free(map, fn) MAP_FREE_AND_NULL(sdmap, (map), (fn))
/* Forward declaration for cert_list_t */
typedef struct cert_list_t cert_list_t;
diff --git a/src/test/test_dir.c b/src/test/test_dir.c
index ee4a9780b..4cab307ce 100644
--- a/src/test/test_dir.c
+++ b/src/test/test_dir.c
@@ -664,7 +664,7 @@ test_dir_extrainfo_parsing(void *arg)
escaped(NULL);
extrainfo_free(ei);
routerinfo_free(ri);
- digestmap_free((digestmap_t*)map, routerinfo_free_wrapper_);
+ digestmap_free_((digestmap_t*)map, routerinfo_free_wrapper_);
}
static void
@@ -760,7 +760,7 @@ test_dir_parse_router_list(void *arg)
smartlist_free(chunks);
routerinfo_free(ri);
if (map) {
- digestmap_free((digestmap_t*)map, routerinfo_free_wrapper_);
+ digestmap_free_((digestmap_t*)map, routerinfo_free_wrapper_);
router_get_routerlist()->identity_map =
(struct digest_ri_map_t*)digestmap_new();
}
diff --git a/src/test/test_routerset.c b/src/test/test_routerset.c
index 6da2275c3..8eb19c3c2 100644
--- a/src/test/test_routerset.c
+++ b/src/test/test_routerset.c
@@ -2084,28 +2084,28 @@ NS(test_main)(void *arg)
* Structural test for routerset_free, where the routerset is NULL.
*/
-NS_DECL(void, smartlist_free, (smartlist_t *sl));
+NS_DECL(void, smartlist_free_, (smartlist_t *sl));
static void
NS(test_main)(void *arg)
{
(void)arg;
- NS_MOCK(smartlist_free);
+ NS_MOCK(smartlist_free_);
routerset_free(NULL);
- tt_int_op(CALLED(smartlist_free), OP_EQ, 0);
+ tt_int_op(CALLED(smartlist_free_), OP_EQ, 0);
done:
;
}
void
-NS(smartlist_free)(smartlist_t *s)
+NS(smartlist_free_)(smartlist_t *s)
{
(void)s;
- CALLED(smartlist_free)++;
+ CALLED(smartlist_free_)++;
}
#undef NS_SUBMODULE
@@ -2115,9 +2115,9 @@ NS(smartlist_free)(smartlist_t *s)
* Structural test for routerset_free.
*/
-NS_DECL(void, smartlist_free, (smartlist_t *sl));
-NS_DECL(void, strmap_free,(strmap_t *map, void (*free_val)(void*)));
-NS_DECL(void, digestmap_free, (digestmap_t *map, void (*free_val)(void*)));
+NS_DECL(void, smartlist_free_, (smartlist_t *sl));
+NS_DECL(void, strmap_free_,(strmap_t *map, void (*free_val)(void*)));
+NS_DECL(void, digestmap_free_, (digestmap_t *map, void (*free_val)(void*)));
static void
NS(test_main)(void *arg)
@@ -2125,39 +2125,39 @@ NS(test_main)(void *arg)
routerset_t *routerset = routerset_new();
(void)arg;
- NS_MOCK(smartlist_free);
- NS_MOCK(strmap_free);
- NS_MOCK(digestmap_free);
+ NS_MOCK(smartlist_free_);
+ NS_MOCK(strmap_free_);
+ NS_MOCK(digestmap_free_);
routerset_free(routerset);
- tt_int_op(CALLED(smartlist_free), OP_NE, 0);
- tt_int_op(CALLED(strmap_free), OP_NE, 0);
- tt_int_op(CALLED(digestmap_free), OP_NE, 0);
+ tt_int_op(CALLED(smartlist_free_), OP_NE, 0);
+ tt_int_op(CALLED(strmap_free_), OP_NE, 0);
+ tt_int_op(CALLED(digestmap_free_), OP_NE, 0);
done:
;
}
void
-NS(smartlist_free)(smartlist_t *s)
+NS(smartlist_free_)(smartlist_t *s)
{
- CALLED(smartlist_free)++;
- smartlist_free__real(s);
+ CALLED(smartlist_free_)++;
+ smartlist_free___real(s);
}
void
-NS(strmap_free)(strmap_t *map, void (*free_val)(void*))
+NS(strmap_free_)(strmap_t *map, void (*free_val)(void*))
{
- CALLED(strmap_free)++;
- strmap_free__real(map, free_val);
+ CALLED(strmap_free_)++;
+ strmap_free___real(map, free_val);
}
void
-NS(digestmap_free)(digestmap_t *map, void (*free_val)(void*))
+NS(digestmap_free_)(digestmap_t *map, void (*free_val)(void*))
{
- CALLED(digestmap_free)++;
- digestmap_free__real(map, free_val);
+ CALLED(digestmap_free_)++;
+ digestmap_free___real(map, free_val);
}
#undef NS_SUBMODULE
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