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-rw-r--r--alias.c6
-rw-r--r--apply.c3
-rw-r--r--attr.c6
-rw-r--r--blame.c3
-rw-r--r--branch.c3
-rw-r--r--builtin/am.c18
-rw-r--r--builtin/clean.c6
-rw-r--r--builtin/config.c6
-rw-r--r--builtin/index-pack.c6
-rw-r--r--builtin/pack-objects.c12
-rw-r--r--builtin/unpack-objects.c3
-rw-r--r--builtin/worktree.c6
-rw-r--r--commit-slab.h3
-rw-r--r--commit.c3
-rw-r--r--config.c3
-rw-r--r--contrib/coccinelle/free.cocci15
-rw-r--r--credential.c9
-rw-r--r--diff-lib.c3
-rw-r--r--diff.c6
-rw-r--r--diffcore-rename.c6
-rw-r--r--dir.c9
-rw-r--r--fast-import.c6
-rw-r--r--git-compat-util.h6
-rw-r--r--gpg-interface.c15
-rw-r--r--grep.c12
-rw-r--r--help.c3
-rw-r--r--http-push.c24
-rw-r--r--http.c15
-rw-r--r--imap-send.c3
-rw-r--r--line-log.c6
-rw-r--r--ll-merge.c3
-rw-r--r--mailinfo.c3
-rw-r--r--object.c3
-rw-r--r--pathspec.c3
-rw-r--r--prio-queue.c3
-rw-r--r--read-cache.c6
-rw-r--r--ref-filter.c3
-rw-r--r--refs/files-backend.c3
-rw-r--r--refs/ref-cache.c3
-rw-r--r--remote-testsvn.c3
-rw-r--r--rerere.c3
-rw-r--r--sequencer.c3
-rw-r--r--sha1-array.c3
-rw-r--r--sha1_file.c3
-rw-r--r--split-index.c3
-rw-r--r--transport-helper.c27
-rw-r--r--transport.c3
-rw-r--r--tree-diff.c6
-rw-r--r--tree.c3
49 files changed, 117 insertions, 195 deletions
diff --git a/alias.c b/alias.c
index de8e6a3..39f622e 100644
--- a/alias.c
+++ b/alias.c
@@ -62,8 +62,7 @@ int split_cmdline(char *cmdline, const char ***argv)
src++;
c = cmdline[src];
if (!c) {
- free(*argv);
- *argv = NULL;
+ FREE_AND_NULL(*argv);
return -SPLIT_CMDLINE_BAD_ENDING;
}
}
@@ -75,8 +74,7 @@ int split_cmdline(char *cmdline, const char ***argv)
cmdline[dst] = 0;
if (quoted) {
- free(*argv);
- *argv = NULL;
+ FREE_AND_NULL(*argv);
return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
}
diff --git a/apply.c b/apply.c
index f7251cc..b963d7d 100644
--- a/apply.c
+++ b/apply.c
@@ -3695,8 +3695,7 @@ static int check_preimage(struct apply_state *state,
is_new:
patch->is_new = 1;
patch->is_delete = 0;
- free(patch->old_name);
- patch->old_name = NULL;
+ FREE_AND_NULL(patch->old_name);
return 0;
}
diff --git a/attr.c b/attr.c
index 6e4b247..3745499 100644
--- a/attr.c
+++ b/attr.c
@@ -639,13 +639,11 @@ void attr_check_reset(struct attr_check *check)
void attr_check_clear(struct attr_check *check)
{
- free(check->items);
- check->items = NULL;
+ FREE_AND_NULL(check->items);
check->alloc = 0;
check->nr = 0;
- free(check->all_attrs);
- check->all_attrs = NULL;
+ FREE_AND_NULL(check->all_attrs);
check->all_attrs_nr = 0;
drop_attr_stack(&check->stack);
diff --git a/blame.c b/blame.c
index 6d57ab9..91e26e9 100644
--- a/blame.c
+++ b/blame.c
@@ -314,8 +314,7 @@ static void fill_origin_blob(struct diff_options *opt,
static void drop_origin_blob(struct blame_origin *o)
{
if (o->file.ptr) {
- free(o->file.ptr);
- o->file.ptr = NULL;
+ FREE_AND_NULL(o->file.ptr);
}
}
diff --git a/branch.c b/branch.c
index a8a548c..36541d0 100644
--- a/branch.c
+++ b/branch.c
@@ -25,8 +25,7 @@ static int find_tracked_branch(struct remote *remote, void *priv)
} else {
free(tracking->spec.src);
if (tracking->src) {
- free(tracking->src);
- tracking->src = NULL;
+ FREE_AND_NULL(tracking->src);
}
}
tracking->spec.src = NULL;
diff --git a/builtin/am.c b/builtin/am.c
index 7c7b916..c973bd9 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -484,8 +484,7 @@ static int run_applypatch_msg_hook(struct am_state *state)
ret = run_hook_le(NULL, "applypatch-msg", am_path(state, "final-commit"), NULL);
if (!ret) {
- free(state->msg);
- state->msg = NULL;
+ FREE_AND_NULL(state->msg);
if (read_commit_msg(state) < 0)
die(_("'%s' was deleted by the applypatch-msg hook"),
am_path(state, "final-commit"));
@@ -1074,17 +1073,10 @@ static void am_next(struct am_state *state)
{
struct object_id head;
- free(state->author_name);
- state->author_name = NULL;
-
- free(state->author_email);
- state->author_email = NULL;
-
- free(state->author_date);
- state->author_date = NULL;
-
- free(state->msg);
- state->msg = NULL;
+ FREE_AND_NULL(state->author_name);
+ FREE_AND_NULL(state->author_email);
+ FREE_AND_NULL(state->author_date);
+ FREE_AND_NULL(state->msg);
state->msg_len = 0;
unlink(am_path(state, "author-script"));
diff --git a/builtin/clean.c b/builtin/clean.c
index ed95413..057fc97 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -838,8 +838,7 @@ static void interactive_main_loop(void)
int ret;
ret = menus[*chosen].fn();
if (ret != MENU_RETURN_NO_LOOP) {
- free(chosen);
- chosen = NULL;
+ FREE_AND_NULL(chosen);
if (!del_list.nr) {
clean_print_color(CLEAN_COLOR_ERROR);
printf_ln(_("No more files to clean, exiting."));
@@ -852,8 +851,7 @@ static void interactive_main_loop(void)
quit_cmd();
}
- free(chosen);
- chosen = NULL;
+ FREE_AND_NULL(chosen);
break;
}
}
diff --git a/builtin/config.c b/builtin/config.c
index 82db29f..70ff231 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -215,8 +215,7 @@ static int get_value(const char *key_, const char *regex_)
key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
if (regcomp(key_regexp, key, REG_EXTENDED)) {
error("invalid key pattern: %s", key_);
- free(key_regexp);
- key_regexp = NULL;
+ FREE_AND_NULL(key_regexp);
ret = CONFIG_INVALID_PATTERN;
goto free_strings;
}
@@ -236,8 +235,7 @@ static int get_value(const char *key_, const char *regex_)
regexp = (regex_t*)xmalloc(sizeof(regex_t));
if (regcomp(regexp, regex_, REG_EXTENDED)) {
error("invalid pattern: %s", regex_);
- free(regexp);
- regexp = NULL;
+ FREE_AND_NULL(regexp);
ret = CONFIG_INVALID_PATTERN;
goto free_strings;
}
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index edc1a91..ad4de35 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -389,8 +389,7 @@ static struct base_data *alloc_base_data(void)
static void free_base_data(struct base_data *c)
{
if (c->data) {
- free(c->data);
- c->data = NULL;
+ FREE_AND_NULL(c->data);
get_thread_data()->base_cache_used -= c->size;
}
}
@@ -606,8 +605,7 @@ static void *unpack_data(struct object_entry *obj,
git_inflate_end(&stream);
free(inbuf);
if (consume) {
- free(data);
- data = NULL;
+ FREE_AND_NULL(data);
}
return data;
}
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index d5e96ed..f4a8441 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -265,8 +265,7 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent
* make sure no cached delta data remains from a
* previous attempt before a pack split occurred.
*/
- free(entry->delta_data);
- entry->delta_data = NULL;
+ FREE_AND_NULL(entry->delta_data);
entry->z_delta_size = 0;
} else if (entry->delta_data) {
size = entry->delta_size;
@@ -1376,12 +1375,10 @@ static void cleanup_preferred_base(void)
if (!pbase_tree_cache[i])
continue;
free(pbase_tree_cache[i]->tree_data);
- free(pbase_tree_cache[i]);
- pbase_tree_cache[i] = NULL;
+ FREE_AND_NULL(pbase_tree_cache[i]);
}
- free(done_pbase_paths);
- done_pbase_paths = NULL;
+ FREE_AND_NULL(done_pbase_paths);
done_pbase_paths_num = done_pbase_paths_alloc = 0;
}
@@ -1971,8 +1968,7 @@ static unsigned long free_unpacked(struct unpacked *n)
n->index = NULL;
if (n->data) {
freed_mem += n->entry->size;
- free(n->data);
- n->data = NULL;
+ FREE_AND_NULL(n->data);
}
n->entry = NULL;
n->depth = 0;
diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c
index 193f8b9..689a29f 100644
--- a/builtin/unpack-objects.c
+++ b/builtin/unpack-objects.c
@@ -113,8 +113,7 @@ static void *get_data(unsigned long size)
break;
if (ret != Z_OK) {
error("inflate returned %d", ret);
- free(buf);
- buf = NULL;
+ FREE_AND_NULL(buf);
if (!recover)
exit(1);
has_errors = 1;
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 0c5476e..c98e2ce 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -300,10 +300,8 @@ static int add_worktree(const char *path, const char *refname,
}
is_junk = 0;
- free(junk_work_tree);
- free(junk_git_dir);
- junk_work_tree = NULL;
- junk_git_dir = NULL;
+ FREE_AND_NULL(junk_work_tree);
+ FREE_AND_NULL(junk_git_dir);
done:
if (ret || !opts->keep_locked) {
diff --git a/commit-slab.h b/commit-slab.h
index 42d16dc..333d81e 100644
--- a/commit-slab.h
+++ b/commit-slab.h
@@ -82,8 +82,7 @@ static MAYBE_UNUSED void clear_ ##slabname(struct slabname *s) \
for (i = 0; i < s->slab_count; i++) \
free(s->slab[i]); \
s->slab_count = 0; \
- free(s->slab); \
- s->slab = NULL; \
+ FREE_AND_NULL(s->slab); \
} \
\
static MAYBE_UNUSED elemtype *slabname## _at_peek(struct slabname *s, \
diff --git a/commit.c b/commit.c
index 99846d9..cbfd689 100644
--- a/commit.c
+++ b/commit.c
@@ -287,8 +287,7 @@ void free_commit_buffer(struct commit *commit)
{
struct commit_buffer *v = buffer_slab_peek(&buffer_slab, commit);
if (v) {
- free(v->buffer);
- v->buffer = NULL;
+ FREE_AND_NULL(v->buffer);
v->size = 0;
}
}
diff --git a/config.c b/config.c
index 6f0f8b3..1cd40a5 100644
--- a/config.c
+++ b/config.c
@@ -394,8 +394,7 @@ static int git_config_parse_key_1(const char *key, char **store_key, int *basele
out_free_ret_1:
if (store_key) {
- free(*store_key);
- *store_key = NULL;
+ FREE_AND_NULL(*store_key);
}
return -CONFIG_INVALID_KEY;
}
diff --git a/contrib/coccinelle/free.cocci b/contrib/coccinelle/free.cocci
index c03ba73..f2d97e7 100644
--- a/contrib/coccinelle/free.cocci
+++ b/contrib/coccinelle/free.cocci
@@ -9,3 +9,18 @@ expression E;
@@
- if (!E)
free(E);
+
+@@
+type T;
+T *ptr;
+@@
+- free(ptr);
+- ptr = NULL;
++ FREE_AND_NULL(ptr);
+
+@@
+expression E;
+@@
+- free(E);
+- E = NULL;
++ FREE_AND_NULL(E);
diff --git a/credential.c b/credential.c
index 67a5233..9747f47 100644
--- a/credential.c
+++ b/credential.c
@@ -94,8 +94,7 @@ static void credential_apply_config(struct credential *c)
c->configured = 1;
if (!c->use_http_path && proto_is_http(c->protocol)) {
- free(c->path);
- c->path = NULL;
+ FREE_AND_NULL(c->path);
}
}
@@ -315,10 +314,8 @@ void credential_reject(struct credential *c)
for (i = 0; i < c->helpers.nr; i++)
credential_do(c, c->helpers.items[i].string, "erase");
- free(c->username);
- c->username = NULL;
- free(c->password);
- c->password = NULL;
+ FREE_AND_NULL(c->username);
+ FREE_AND_NULL(c->password);
c->approved = 0;
}
diff --git a/diff-lib.c b/diff-lib.c
index 0c0e20f..2a52b07 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -179,8 +179,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
free(dpath);
continue;
}
- free(dpath);
- dpath = NULL;
+ FREE_AND_NULL(dpath);
/*
* Show the diff for the 'ce' if we found the one
diff --git a/diff.c b/diff.c
index 41295d4..00b4c86 100644
--- a/diff.c
+++ b/diff.c
@@ -1219,8 +1219,7 @@ static void free_diff_words_data(struct emit_callback *ecbdata)
regfree(ecbdata->diff_words->word_regex);
free(ecbdata->diff_words->word_regex);
}
- free(ecbdata->diff_words);
- ecbdata->diff_words = NULL;
+ FREE_AND_NULL(ecbdata->diff_words);
}
}
@@ -2952,8 +2951,7 @@ void diff_free_filespec_blob(struct diff_filespec *s)
void diff_free_filespec_data(struct diff_filespec *s)
{
diff_free_filespec_blob(s);
- free(s->cnt_data);
- s->cnt_data = NULL;
+ FREE_AND_NULL(s->cnt_data);
}
static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
diff --git a/diffcore-rename.c b/diffcore-rename.c
index 03d1e8d..1e4678b 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -667,11 +667,9 @@ void diffcore_rename(struct diff_options *options)
for (i = 0; i < rename_dst_nr; i++)
free_filespec(rename_dst[i].two);
- free(rename_dst);
- rename_dst = NULL;
+ FREE_AND_NULL(rename_dst);
rename_dst_nr = rename_dst_alloc = 0;
- free(rename_src);
- rename_src = NULL;
+ FREE_AND_NULL(rename_src);
rename_src_nr = rename_src_alloc = 0;
return;
}
diff --git a/dir.c b/dir.c
index f679547..332f9d8 100644
--- a/dir.c
+++ b/dir.c
@@ -2127,8 +2127,7 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
for (i = j = 0; j < dir->nr; j++) {
if (i &&
check_dir_entry_contains(dir->entries[i - 1], dir->entries[j])) {
- free(dir->entries[j]);
- dir->entries[j] = NULL;
+ FREE_AND_NULL(dir->entries[j]);
} else {
dir->entries[i++] = dir->entries[j];
}
@@ -2154,8 +2153,7 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
dir->untracked->dir_invalidated))
istate->cache_changed |= UNTRACKED_CHANGED;
if (dir->untracked != istate->untracked) {
- free(dir->untracked);
- dir->untracked = NULL;
+ FREE_AND_NULL(dir->untracked);
}
}
return dir->nr;
@@ -2498,8 +2496,7 @@ void write_untracked_extension(struct strbuf *out, struct untracked_cache *untra
strbuf_addbuf(out, &untracked->ident);
strbuf_add(out, ouc, ouc_size(len));
- free(ouc);
- ouc = NULL;
+ FREE_AND_NULL(ouc);
if (!untracked->root) {
varint_len = encode_varint(0, varbuf);
diff --git a/fast-import.c b/fast-import.c
index 12b90fe..a959161 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -1064,8 +1064,7 @@ discard_pack:
close(pack_data->pack_fd);
unlink_or_warn(pack_data->pack_name);
}
- free(pack_data);
- pack_data = NULL;
+ FREE_AND_NULL(pack_data);
running = 0;
/* We can't carry a delta across packfiles. */
@@ -1150,8 +1149,7 @@ static int store_object(
/* We cannot carry a delta into the new pack. */
if (delta) {
- free(delta);
- delta = NULL;
+ FREE_AND_NULL(delta);
git_deflate_init(&s, pack_compression_level);
s.next_in = (void *)dat->buf;
diff --git a/git-compat-util.h b/git-compat-util.h
index 51ba4e6..047172d 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -808,6 +808,12 @@ extern char *xgetcwd(void);
extern FILE *fopen_for_writing(const char *path);
extern FILE *fopen_or_warn(const char *path, const char *mode);
+/*
+ * FREE_AND_NULL(ptr) is like free(ptr) followed by ptr = NULL. Note
+ * that ptr is used twice, so don't pass e.g. ptr++.
+ */
+#define FREE_AND_NULL(p) do { free(p); (p) = NULL; } while (0)
+
#define ALLOC_ARRAY(x, alloc) (x) = xmalloc(st_mult(sizeof(*(x)), (alloc)))
#define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), st_mult(sizeof(*(x)), (alloc)))
diff --git a/gpg-interface.c b/gpg-interface.c
index 8ab32df..d936f3a 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -14,16 +14,11 @@ static const char *gpg_program = "gpg";
void signature_check_clear(struct signature_check *sigc)
{
- free(sigc->payload);
- free(sigc->gpg_output);
- free(sigc->gpg_status);
- free(sigc->signer);
- free(sigc->key);
- sigc->payload = NULL;
- sigc->gpg_output = NULL;
- sigc->gpg_status = NULL;
- sigc->signer = NULL;
- sigc->key = NULL;
+ FREE_AND_NULL(sigc->payload);
+ FREE_AND_NULL(sigc->gpg_output);
+ FREE_AND_NULL(sigc->gpg_status);
+ FREE_AND_NULL(sigc->signer);
+ FREE_AND_NULL(sigc->key);
}
static struct {
diff --git a/grep.c b/grep.c
index 1fca83b..98733db 100644
--- a/grep.c
+++ b/grep.c
@@ -1940,12 +1940,9 @@ void grep_source_init(struct grep_source *gs, enum grep_source_type type,
void grep_source_clear(struct grep_source *gs)
{
- free(gs->name);
- gs->name = NULL;
- free(gs->path);
- gs->path = NULL;
- free(gs->identifier);
- gs->identifier = NULL;
+ FREE_AND_NULL(gs->name);
+ FREE_AND_NULL(gs->path);
+ FREE_AND_NULL(gs->identifier);
grep_source_clear_data(gs);
}
@@ -1955,8 +1952,7 @@ void grep_source_clear_data(struct grep_source *gs)
case GREP_SOURCE_FILE:
case GREP_SOURCE_OID:
case GREP_SOURCE_SUBMODULE:
- free(gs->buf);
- gs->buf = NULL;
+ FREE_AND_NULL(gs->buf);
gs->size = 0;
break;
case GREP_SOURCE_BUF:
diff --git a/help.c b/help.c
index 8ba0777..07b1853 100644
--- a/help.c
+++ b/help.c
@@ -269,9 +269,8 @@ static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
for (i = 0; i < old->cnt; i++)
cmds->names[cmds->cnt++] = old->names[i];
- free(old->names);
+ FREE_AND_NULL(old->names);
old->cnt = 0;
- old->names = NULL;
}
/* An empirically derived magic number */
diff --git a/http-push.c b/http-push.c
index 67c4d4b..c91f40a 100644
--- a/http-push.c
+++ b/http-push.c
@@ -291,8 +291,7 @@ static void start_mkcol(struct transfer_request *request)
request->state = RUN_MKCOL;
} else {
request->state = ABORTED;
- free(request->url);
- request->url = NULL;
+ FREE_AND_NULL(request->url);
}
}
#endif
@@ -409,8 +408,7 @@ static void start_put(struct transfer_request *request)
request->state = RUN_PUT;
} else {
request->state = ABORTED;
- free(request->url);
- request->url = NULL;
+ FREE_AND_NULL(request->url);
}
}
@@ -432,8 +430,7 @@ static void start_move(struct transfer_request *request)
request->state = RUN_MOVE;
} else {
request->state = ABORTED;
- free(request->url);
- request->url = NULL;
+ FREE_AND_NULL(request->url);
}
}
@@ -526,8 +523,7 @@ static void finish_request(struct transfer_request *request)
/* URL is reused for MOVE after PUT */
if (request->state != RUN_PUT) {
- free(request->url);
- request->url = NULL;
+ FREE_AND_NULL(request->url);
}
if (request->state == RUN_MKCOL) {
@@ -803,8 +799,7 @@ xml_start_tag(void *userData, const char *name, const char **atts)
}
xsnprintf(ctx->name + old_namelen, ctx->len - old_namelen, ".%s", c);
- free(ctx->cdata);
- ctx->cdata = NULL;
+ FREE_AND_NULL(ctx->cdata);
ctx->userFunc(ctx, 0);
}
@@ -932,8 +927,7 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
free(lock->token);
free(lock->owner);
free(url);
- free(lock);
- lock = NULL;
+ FREE_AND_NULL(lock);
} else {
lock->url = url;
lock->start_time = time(NULL);
@@ -1105,8 +1099,7 @@ static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
ls->dentry_flags |= IS_DIR;
}
} else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
- free(ls->dentry_name);
- ls->dentry_name = NULL;
+ FREE_AND_NULL(ls->dentry_name);
ls->dentry_flags = 0;
}
}
@@ -1547,8 +1540,7 @@ static void fetch_symref(const char *path, char **symref, struct object_id *oid)
curl_errorstr);
free(url);
- free(*symref);
- *symref = NULL;
+ FREE_AND_NULL(*symref);
oidclr(oid);
if (buffer.len == 0)
diff --git a/http.c b/http.c
index 013bb0c..c6c010f 100644
--- a/http.c
+++ b/http.c
@@ -1027,8 +1027,7 @@ void http_cleanup(void)
if (proxy_auth.password) {
memset(proxy_auth.password, 0, strlen(proxy_auth.password));
- free(proxy_auth.password);
- proxy_auth.password = NULL;
+ FREE_AND_NULL(proxy_auth.password);
}
free((void *)curl_proxyuserpwd);
@@ -1039,13 +1038,11 @@ void http_cleanup(void)
if (cert_auth.password != NULL) {
memset(cert_auth.password, 0, strlen(cert_auth.password));
- free(cert_auth.password);
- cert_auth.password = NULL;
+ FREE_AND_NULL(cert_auth.password);
}
ssl_cert_password_required = 0;
- free(cached_accept_language);
- cached_accept_language = NULL;
+ FREE_AND_NULL(cached_accept_language);
}
struct active_request_slot *get_active_slot(void)
@@ -1897,8 +1894,7 @@ static char *fetch_pack_index(unsigned char *sha1, const char *base_url)
if (http_get_file(url, tmp, NULL) != HTTP_OK) {
error("Unable to get pack index %s", url);
- free(tmp);
- tmp = NULL;
+ FREE_AND_NULL(tmp);
}
free(url);
@@ -2329,8 +2325,7 @@ void release_http_object_request(struct http_object_request *freq)
freq->localfile = -1;
}
if (freq->url != NULL) {
- free(freq->url);
- freq->url = NULL;
+ FREE_AND_NULL(freq->url);
}
if (freq->slot != NULL) {
freq->slot->callback_func = NULL;
diff --git a/imap-send.c b/imap-send.c
index 59e9b12..351e84a 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -777,8 +777,7 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
offsetof(struct imap_cmd, next));
if (cmdp->cb.data) {
n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
- free(cmdp->cb.data);
- cmdp->cb.data = NULL;
+ FREE_AND_NULL(cmdp->cb.data);
if (n != (int)cmdp->cb.dlen)
return RESP_BAD;
} else if (cmdp->cb.cont) {
diff --git a/line-log.c b/line-log.c
index 2588ce0..ab0709f 100644
--- a/line-log.c
+++ b/line-log.c
@@ -34,9 +34,8 @@ void range_set_init(struct range_set *rs, size_t prealloc)
void range_set_release(struct range_set *rs)
{
- free(rs->ranges);
+ FREE_AND_NULL(rs->ranges);
rs->alloc = rs->nr = 0;
- rs->ranges = NULL;
}
/* dst must be uninitialized! */
@@ -610,8 +609,7 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
line_log_data_insert(&ranges, full_name, begin, end);
free_filespec(spec);
- free(ends);
- ends = NULL;
+ FREE_AND_NULL(ends);
}
for (p = ranges; p; p = p->next)
diff --git a/ll-merge.c b/ll-merge.c
index b9576ef..9fb855a 100644
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -210,8 +210,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
result->size = st.st_size;
result->ptr = xmallocz(result->size);
if (read_in_full(fd, result->ptr, result->size) != result->size) {
- free(result->ptr);
- result->ptr = NULL;
+ FREE_AND_NULL(result->ptr);
result->size = 0;
}
close_bad:
diff --git a/mailinfo.c b/mailinfo.c
index f591624..1652ec1 100644
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -920,8 +920,7 @@ again:
/* we hit an end boundary */
/* pop the current boundary off the stack */
strbuf_release(*(mi->content_top));
- free(*(mi->content_top));
- *(mi->content_top) = NULL;
+ FREE_AND_NULL(*(mi->content_top));
/* technically won't happen as is_multipart_boundary()
will fail first. But just in case..
diff --git a/object.c b/object.c
index 06ba3a1..f818777 100644
--- a/object.c
+++ b/object.c
@@ -377,8 +377,7 @@ void object_array_clear(struct object_array *array)
int i;
for (i = 0; i < array->nr; i++)
object_array_release_entry(&array->objects[i]);
- free(array->objects);
- array->objects = NULL;
+ FREE_AND_NULL(array->objects);
array->nr = array->alloc = 0;
}
diff --git a/pathspec.c b/pathspec.c
index ecc5331..a5f4df3 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -663,7 +663,6 @@ void clear_pathspec(struct pathspec *pathspec)
attr_check_free(pathspec->items[i].attr_check);
}
- free(pathspec->items);
- pathspec->items = NULL;
+ FREE_AND_NULL(pathspec->items);
pathspec->nr = 0;
}
diff --git a/prio-queue.c b/prio-queue.c
index fc3860f..126d096 100644
--- a/prio-queue.c
+++ b/prio-queue.c
@@ -27,10 +27,9 @@ void prio_queue_reverse(struct prio_queue *queue)
void clear_prio_queue(struct prio_queue *queue)
{
- free(queue->array);
+ FREE_AND_NULL(queue->array);
queue->nr = 0;
queue->alloc = 0;
- queue->array = NULL;
queue->insertion_ctr = 0;
}
diff --git a/read-cache.c b/read-cache.c
index ad692e1..3c4354e 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -1895,8 +1895,7 @@ int discard_index(struct index_state *istate)
free_name_hash(istate);
cache_tree_free(&(istate->cache_tree));
istate->initialized = 0;
- free(istate->cache);
- istate->cache = NULL;
+ FREE_AND_NULL(istate->cache);
istate->cache_alloc = 0;
discard_split_index(istate);
free_untracked_cache(istate->untracked);
@@ -2610,8 +2609,7 @@ void *read_blob_data_from_index(const struct index_state *istate,
void stat_validity_clear(struct stat_validity *sv)
{
- free(sv->sd);
- sv->sd = NULL;
+ FREE_AND_NULL(sv->sd);
}
int stat_validity_check(struct stat_validity *sv, const char *path)
diff --git a/ref-filter.c b/ref-filter.c
index ab32bc9..72e6cb8 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1891,8 +1891,7 @@ void ref_array_clear(struct ref_array *array)
for (i = 0; i < array->nr; i++)
free_array_item(array->items[i]);
- free(array->items);
- array->items = NULL;
+ FREE_AND_NULL(array->items);
array->nr = array->alloc = 0;
}
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 621a408..5ef88ed 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2945,8 +2945,7 @@ static int files_transaction_prepare(struct ref_store *ref_store,
head_oid.hash, &head_type);
if (head_ref && !(head_type & REF_ISSYMREF)) {
- free(head_ref);
- head_ref = NULL;
+ FREE_AND_NULL(head_ref);
}
/*
diff --git a/refs/ref-cache.c b/refs/ref-cache.c
index af2fcb2..76bb723 100644
--- a/refs/ref-cache.c
+++ b/refs/ref-cache.c
@@ -82,9 +82,8 @@ static void clear_ref_dir(struct ref_dir *dir)
int i;
for (i = 0; i < dir->nr; i++)
free_ref_entry(dir->entries[i]);
- free(dir->entries);
+ FREE_AND_NULL(dir->entries);
dir->sorted = dir->nr = dir->alloc = 0;
- dir->entries = NULL;
}
struct ref_entry *create_dir_entry(struct ref_cache *cache,
diff --git a/remote-testsvn.c b/remote-testsvn.c
index e034ea0..0ff4a31 100644
--- a/remote-testsvn.c
+++ b/remote-testsvn.c
@@ -66,8 +66,7 @@ static char *read_ref_note(const struct object_id *oid)
else if (!msglen || type != OBJ_BLOB) {
error("Note contains unusable content. "
"Is something else using this notes tree? %s", notes_ref);
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
free_notes(NULL);
return msg;
diff --git a/rerere.c b/rerere.c
index 829b3b0..70634d4 100644
--- a/rerere.c
+++ b/rerere.c
@@ -40,9 +40,8 @@ static void free_rerere_dirs(void)
free(rerere_dir[i]->status);
free(rerere_dir[i]);
}
- free(rerere_dir);
+ FREE_AND_NULL(rerere_dir);
rerere_dir_nr = rerere_dir_alloc = 0;
- rerere_dir = NULL;
}
static void free_rerere_id(struct string_list_item *item)
diff --git a/sequencer.c b/sequencer.c
index 224afe7..98cdfe7 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -1212,8 +1212,7 @@ struct todo_list {
static void todo_list_release(struct todo_list *todo_list)
{
strbuf_release(&todo_list->buf);
- free(todo_list->items);
- todo_list->items = NULL;
+ FREE_AND_NULL(todo_list->items);
todo_list->nr = todo_list->alloc = 0;
}
diff --git a/sha1-array.c b/sha1-array.c
index 7d646ab..838b3bf 100644
--- a/sha1-array.c
+++ b/sha1-array.c
@@ -35,8 +35,7 @@ int oid_array_lookup(struct oid_array *array, const struct object_id *oid)
void oid_array_clear(struct oid_array *array)
{
- free(array->oid);
- array->oid = NULL;
+ FREE_AND_NULL(array->oid);
array->nr = 0;
array->alloc = 0;
array->sorted = 0;
diff --git a/sha1_file.c b/sha1_file.c
index a900b28..fb1fd80 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -611,8 +611,7 @@ char *compute_alternate_path(const char *path, struct strbuf *err)
out:
if (seen_error) {
- free(ref_git);
- ref_git = NULL;
+ FREE_AND_NULL(ref_git);
}
return ref_git;
diff --git a/split-index.c b/split-index.c
index f519e60..83e39ec 100644
--- a/split-index.c
+++ b/split-index.c
@@ -167,10 +167,9 @@ void merge_base_index(struct index_state *istate)
ewah_free(si->delete_bitmap);
ewah_free(si->replace_bitmap);
- free(si->saved_cache);
+ FREE_AND_NULL(si->saved_cache);
si->delete_bitmap = NULL;
si->replace_bitmap = NULL;
- si->saved_cache = NULL;
si->saved_cache_nr = 0;
}
diff --git a/transport-helper.c b/transport-helper.c
index 3640804..33cff38 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -242,8 +242,7 @@ static int disconnect_helper(struct transport *transport)
close(data->helper->out);
fclose(data->out);
res = finish_command(data->helper);
- free(data->helper);
- data->helper = NULL;
+ FREE_AND_NULL(data->helper);
}
return res;
}
@@ -711,43 +710,35 @@ static int push_update_ref_status(struct strbuf *buf,
if (!strcmp(msg, "no match")) {
status = REF_STATUS_NONE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "up to date")) {
status = REF_STATUS_UPTODATE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "non-fast forward")) {
status = REF_STATUS_REJECT_NONFASTFORWARD;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "already exists")) {
status = REF_STATUS_REJECT_ALREADY_EXISTS;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "fetch first")) {
status = REF_STATUS_REJECT_FETCH_FIRST;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "needs force")) {
status = REF_STATUS_REJECT_NEEDS_FORCE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "stale info")) {
status = REF_STATUS_REJECT_STALE;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
else if (!strcmp(msg, "forced update")) {
forced = 1;
- free(msg);
- msg = NULL;
+ FREE_AND_NULL(msg);
}
}
diff --git a/transport.c b/transport.c
index b999530..d75ff05 100644
--- a/transport.c
+++ b/transport.c
@@ -1146,8 +1146,7 @@ void transport_unlock_pack(struct transport *transport)
{
if (transport->pack_lockfile) {
unlink_or_warn(transport->pack_lockfile);
- free(transport->pack_lockfile);
- transport->pack_lockfile = NULL;
+ FREE_AND_NULL(transport->pack_lockfile);
}
}
diff --git a/tree-diff.c b/tree-diff.c
index 467e381..bd6d65a 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -141,8 +141,7 @@ static struct combine_diff_path *path_appendnew(struct combine_diff_path *last,
/* if last->next is !NULL - it is a pre-allocated memory, we can reuse */
p = last->next;
if (p && (alloclen > (intptr_t)p->next)) {
- free(p);
- p = NULL;
+ FREE_AND_NULL(p);
}
if (!p) {
@@ -559,8 +558,7 @@ struct combine_diff_path *diff_tree_paths(
* (see path_appendnew() for details about why)
*/
if (p->next) {
- free(p->next);
- p->next = NULL;
+ FREE_AND_NULL(p->next);
}
return p;
diff --git a/tree.c b/tree.c
index dd69423..b224115 100644
--- a/tree.c
+++ b/tree.c
@@ -234,8 +234,7 @@ int parse_tree_gently(struct tree *item, int quiet_on_missing)
void free_tree_buffer(struct tree *tree)
{
- free(tree->buffer);
- tree->buffer = NULL;
+ FREE_AND_NULL(tree->buffer);
tree->size = 0;
tree->object.parsed = 0;
}