Fix memory leaks pointed out by Coverity (and people).
* js/plug-leaks: (26 commits)
checkout: fix memory leak
submodule_uses_worktrees(): plug memory leak
show_worktree(): plug memory leak
name-rev: avoid leaking memory in the `deref` case
remote: plug memory leak in match_explicit()
add_reflog_for_walk: avoid memory leak
shallow: avoid memory leak
line-log: avoid memory leak
receive-pack: plug memory leak in update()
fast-export: avoid leaking memory in handle_tag()
mktree: plug memory leaks reported by Coverity
pack-redundant: plug memory leak
setup_discovered_git_dir(): plug memory leak
setup_bare_git_dir(): help static analysis
split_commit_in_progress(): simplify & fix memory leak
checkout: fix memory leak
cat-file: fix memory leak
mailinfo & mailsplit: check for EOF while parsing
status: close file descriptor after reading git-rebase-todo
difftool: address a couple of resource/memory leaks
...
struct strbuf sb = STRBUF_INIT;
FILE *fp = xfopen(mail, "r");
const char *x;
+ int ret = 0;
- if (strbuf_getline_lf(&sb, fp))
- return -1;
-
- if (!skip_prefix(sb.buf, "From ", &x))
- return -1;
-
- if (get_oid_hex(x, commit_id) < 0)
- return -1;
+ if (strbuf_getline_lf(&sb, fp) ||
+ !skip_prefix(sb.buf, "From ", &x) ||
+ get_oid_hex(x, commit_id) < 0)
+ ret = -1;
strbuf_release(&sb);
fclose(fp);
- return 0;
+ return ret;
}
/**
die("git cat-file %s: bad file", obj_name);
write_or_die(1, buf, size);
+ free(buf);
return 0;
}
/*
* NEEDSWORK:
* There is absolutely no reason to write this as a blob object
- * and create a phony cache entry just to leak. This hack is
- * primarily to get to the write_entry() machinery that massages
- * the contents to work-tree format and writes out which only
- * allows it for a cache entry. The code in write_entry() needs
- * to be refactored to allow us to feed a <buffer, size, mode>
- * instead of a cache entry. Such a refactoring would help
- * merge_recursive as well (it also writes the merge result to the
- * object database even when it may contain conflicts).
+ * and create a phony cache entry. This hack is primarily to get
+ * to the write_entry() machinery that massages the contents to
+ * work-tree format and writes out which only allows it for a
+ * cache entry. The code in write_entry() needs to be refactored
+ * to allow us to feed a <buffer, size, mode> instead of a cache
+ * entry. Such a refactoring would help merge_recursive as well
+ * (it also writes the merge result to the object database even
+ * when it may contain conflicts).
*/
if (write_sha1_file(result_buf.ptr, result_buf.size,
blob_type, oid.hash))
die(_("Unable to add merge result for '%s'"), path);
+ free(result_buf.ptr);
ce = make_cache_entry(mode, oid.hash, path, 2, 0);
if (!ce)
die(_("make_cache_entry failed for path '%s'"), path);
status = checkout_entry(ce, state, NULL);
+ free(ce);
return status;
}
hashmap_entry_init(entry, strhash(buf.buf));
hashmap_add(result, entry);
}
+ fclose(fp);
if (finish_command(&diff_files))
die("diff-files did not exit properly");
strbuf_release(&index_env);
}
if (lmode && status != 'C') {
- if (checkout_path(lmode, &loid, src_path, &lstate))
- return error("could not write '%s'", src_path);
+ if (checkout_path(lmode, &loid, src_path, &lstate)) {
+ ret = error("could not write '%s'", src_path);
+ goto finish;
+ }
}
if (rmode && !S_ISLNK(rmode)) {
hashmap_add(&working_tree_dups, entry);
if (!use_wt_file(workdir, dst_path, &roid)) {
- if (checkout_path(rmode, &roid, dst_path, &rstate))
- return error("could not write '%s'",
- dst_path);
+ if (checkout_path(rmode, &roid, dst_path,
+ &rstate)) {
+ ret = error("could not write '%s'",
+ dst_path);
+ goto finish;
+ }
} else if (!is_null_oid(&roid)) {
/*
* Changes in the working tree need special
ADD_CACHE_JUST_APPEND);
add_path(&rdir, rdir_len, dst_path);
- if (ensure_leading_directories(rdir.buf))
- return error("could not create "
- "directory for '%s'",
- dst_path);
+ if (ensure_leading_directories(rdir.buf)) {
+ ret = error("could not create "
+ "directory for '%s'",
+ dst_path);
+ goto finish;
+ }
add_path(&wtdir, wtdir_len, dst_path);
if (symlinks) {
if (symlink(wtdir.buf, rdir.buf)) {
}
}
+ fclose(fp);
+ fp = NULL;
if (finish_command(&child)) {
ret = error("error occurred running diff --raw");
goto finish;
}
if (!i)
- return 0;
+ goto finish;
/*
* Changes to submodules require special treatment.This loop writes a
exit_cleanup(tmpdir, rc);
finish:
+ if (fp)
+ fclose(fp);
+
free(lbase_dir);
free(rbase_dir);
strbuf_release(&ldir);
oid_to_hex(&tag->object.oid));
case DROP:
/* Ignore this tag altogether */
+ free(buf);
return;
case REWRITE:
if (tagged->type != OBJ_COMMIT) {
(int)(tagger_end - tagger), tagger,
tagger == tagger_end ? "" : "\n",
(int)message_size, (int)message_size, message ? message : "");
+ free(buf);
}
static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name)
do {
peek = fgetc(f);
+ if (peek == EOF) {
+ if (f == stdin)
+ /* empty stdin is OK */
+ ret = skip;
+ else {
+ fclose(f);
+ error(_("empty mbox: '%s'"), file);
+ }
+ goto out;
+ }
} while (isspace(peek));
ungetc(peek, f);
unsigned mode;
enum object_type mode_type; /* object type derived from mode */
enum object_type obj_type; /* object type derived from sha */
- char *path;
+ char *path, *to_free = NULL;
unsigned char sha1[20];
ptr = buf;
struct strbuf p_uq = STRBUF_INIT;
if (unquote_c_style(&p_uq, path, NULL))
die("invalid quoting");
- path = strbuf_detach(&p_uq, NULL);
+ path = to_free = strbuf_detach(&p_uq, NULL);
}
/*
}
append_to_tree(mode, sha1, path);
+ free(to_free);
}
int cmd_mktree(int ac, const char **av, const char *prefix)
struct rev_name *name = (struct rev_name *)commit->util;
struct commit_list *parents;
int parent_number = 1;
+ char *to_free = NULL;
parse_commit(commit);
return;
if (deref) {
- tip_name = xstrfmt("%s^0", tip_name);
+ tip_name = to_free = xstrfmt("%s^0", tip_name);
if (generation)
die("generation: %d, but deref?", generation);
name->taggerdate = taggerdate;
name->generation = generation;
name->distance = distance;
- } else
+ } else {
+ free(to_free);
return;
+ }
for (parents = commit->parents;
parents;
/* return if there are no objects missing from the unique set */
if (missing->size == 0) {
*min = unique;
+ free(missing);
return;
}
{
const char *name = cmd->ref_name;
struct strbuf namespaced_name_buf = STRBUF_INIT;
- const char *namespaced_name, *ret;
+ static char *namespaced_name;
+ const char *ret;
struct object_id *old_oid = &cmd->old_oid;
struct object_id *new_oid = &cmd->new_oid;
}
strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name);
+ free(namespaced_name);
namespaced_name = strbuf_detach(&namespaced_name_buf, NULL);
if (is_ref_checked_out(namespaced_name)) {
find_unique_abbrev(wt->head_sha1, DEFAULT_ABBREV));
if (wt->is_detached)
strbuf_addstr(&sb, "(detached HEAD)");
- else if (wt->head_ref)
- strbuf_addf(&sb, "[%s]", shorten_unambiguous_ref(wt->head_ref, 0));
- else
+ else if (wt->head_ref) {
+ char *ref = shorten_unambiguous_ref(wt->head_ref, 0);
+ strbuf_addf(&sb, "[%s]", ref);
+ free(ref);
+ } else
strbuf_addstr(&sb, "(error)");
}
printf("%s\n", sb.buf);
++n;
}
}
- if (!n)
+ if (!n) {
+ free(envpath);
return NULL;
+ }
ALLOC_ARRAY(path, n + 1);
p = envpath;
if (!fd) {
if (!GetConsoleMode(hcon, &mode))
return 0;
+ /*
+ * This code path is only reached if there is no console
+ * attached to stdout/stderr, i.e. we will not need to output
+ * any text to any console, therefore we might just as well
+ * use black as foreground color.
+ */
+ sbi.wAttributes = 0;
} else if (!GetConsoleScreenBufferInfo(hcon, &sbi))
return 0;
/* convert utf-8 to utf-16 */
int wlen = xutftowcsn(wbuf, (char*) str, ARRAY_SIZE(wbuf), len);
+ if (wlen < 0) {
+ wchar_t *err = L"[invalid]";
+ WriteConsoleW(console, err, wcslen(err), &dummy, NULL);
+ return;
+ }
/* write directly to console */
WriteConsoleW(console, wbuf, wlen, &dummy, NULL);
struct lock_file *lock;
int out_fd;
char buf[1024];
- FILE *config_file;
+ FILE *config_file = NULL;
struct stat st;
if (new_name && !section_name_is_ok(new_name)) {
}
}
fclose(config_file);
+ config_file = NULL;
commit_and_out:
if (commit_lock_file(lock) < 0)
ret = error_errno("could not write config file %s",
config_filename);
out:
+ if (config_file)
+ fclose(config_file);
rollback_lock_file(lock);
out_no_rollback:
free(filename_buf);
changed = process_all_files(&parent_range, rev, &queue, range);
if (parent)
add_line_range(rev, parent, parent_range);
+ free_line_log_data(parent_range);
return changed;
}
for (;;) {
int peek;
- peek = fgetc(in); ungetc(peek, in);
+ peek = fgetc(in);
+ if (peek == EOF)
+ break;
+ ungetc(peek, in);
if (peek != ' ' && peek != '\t')
break;
if (strbuf_getline_lf(&continuation, in))
do {
peek = fgetc(mi->input);
+ if (peek == EOF) {
+ fclose(cmitmsg);
+ return error("empty patch: '%s'", patch);
+ }
} while (isspace(peek));
ungetc(peek, mi->input);
struct patch_id *add_commit_patch_id(struct commit *commit,
struct patch_ids *ids)
{
- struct patch_id *key = xcalloc(1, sizeof(*key));
+ struct patch_id *key;
if (!patch_id_defined(commit))
return NULL;
+ key = xcalloc(1, sizeof(*key));
if (init_patch_id_entry(key, commit, ids)) {
free(key);
return NULL;
if (!reflogs || reflogs->nr == 0) {
struct object_id oid;
char *b;
- if (dwim_log(branch, strlen(branch), oid.hash, &b) == 1) {
+ int ret = dwim_log(branch, strlen(branch),
+ oid.hash, &b);
+ if (ret > 1)
+ free(b);
+ else if (ret == 1) {
if (reflogs) {
free(reflogs->ref);
free(reflogs);
reflogs = read_complete_reflog(branch);
}
}
- if (!reflogs || reflogs->nr == 0)
+ if (!reflogs || reflogs->nr == 0) {
+ if (reflogs) {
+ free(reflogs->ref);
+ free(reflogs);
+ }
+ free(branch);
return -1;
+ }
string_list_insert(&info->complete_reflogs, branch)->util
= reflogs;
}
+ free(branch);
commit_reflog = xcalloc(1, sizeof(struct commit_reflog));
if (recno < 0) {
commit_reflog->recno = get_reflog_recno_by_time(reflogs, timestamp);
if (commit_reflog->recno < 0) {
- free(branch);
+ if (reflogs) {
+ free(reflogs->ref);
+ free(reflogs);
+ }
free(commit_reflog);
return -1;
}
else if (is_null_oid(&matched_src->new_oid))
error("unable to delete '%s': remote ref does not exist",
dst_value);
- else if ((dst_guess = guess_ref(dst_value, matched_src)))
+ else if ((dst_guess = guess_ref(dst_value, matched_src))) {
matched_dst = make_linked_ref(dst_guess, dst_tail);
- else
+ free(dst_guess);
+ } else
error("unable to push to unqualified destination: %s\n"
"The destination refspec neither matches an "
"existing ref on the remote nor\n"
/* --work-tree is set without --git-dir; use discovered one */
if (getenv(GIT_WORK_TREE_ENVIRONMENT) || git_work_tree_cfg) {
+ char *to_free = NULL;
+ const char *ret;
+
if (offset != cwd->len && !is_absolute_path(gitdir))
- gitdir = real_pathdup(gitdir, 1);
+ gitdir = to_free = real_pathdup(gitdir, 1);
if (chdir(cwd->buf))
die_errno("Could not come back to cwd");
- return setup_explicit_git_dir(gitdir, cwd, nongit_ok);
+ ret = setup_explicit_git_dir(gitdir, cwd, nongit_ok);
+ free(to_free);
+ return ret;
}
/* #16.2, #17.2, #20.2, #21.2, #24, #25, #28, #29 (see t1510) */
/* --work-tree is set without --git-dir; use discovered one */
if (getenv(GIT_WORK_TREE_ENVIRONMENT) || git_work_tree_cfg) {
- const char *gitdir;
+ static const char *gitdir;
gitdir = offset == cwd->len ? "." : xmemdupz(cwd->buf, offset);
if (chdir(cwd->buf))
struct commit_list *head = NULL;
int bitmap_nr = (info->nr_bits + 31) / 32;
size_t bitmap_size = st_mult(sizeof(uint32_t), bitmap_nr);
- uint32_t *tmp = xmalloc(bitmap_size); /* to be freed before return */
- uint32_t *bitmap = paint_alloc(info);
struct commit *c = lookup_commit_reference_gently(oid, 1);
+ uint32_t *tmp; /* to be freed before return */
+ uint32_t *bitmap;
+
if (!c)
return;
+
+ tmp = xmalloc(bitmap_size);
+ bitmap = paint_alloc(info);
memset(bitmap, 0, bitmap_size);
bitmap[id / 32] |= (1U << (id % 32));
commit_list_insert(c, &head);
/* The env would be set for the superproject. */
get_common_dir_noenv(&sb, submodule_gitdir);
+ free(submodule_gitdir);
/*
* The check below is only known to be good for repository format
/* See if there is any file inside the worktrees directory. */
dir = opendir(sb.buf);
strbuf_release(&sb);
- free(submodule_gitdir);
if (!dir)
return 0;
static int split_commit_in_progress(struct wt_status *s)
{
int split_in_progress = 0;
- char *head = read_line_from_git_path("HEAD");
- char *orig_head = read_line_from_git_path("ORIG_HEAD");
- char *rebase_amend = read_line_from_git_path("rebase-merge/amend");
- char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
+ char *head, *orig_head, *rebase_amend, *rebase_orig_head;
- if (!head || !orig_head || !rebase_amend || !rebase_orig_head ||
+ if ((!s->amend && !s->nowarn && !s->workdir_dirty) ||
!s->branch || strcmp(s->branch, "HEAD"))
- return split_in_progress;
+ return 0;
- if (!strcmp(rebase_amend, rebase_orig_head)) {
- if (strcmp(head, rebase_amend))
- split_in_progress = 1;
- } else if (strcmp(orig_head, rebase_orig_head)) {
- split_in_progress = 1;
- }
+ head = read_line_from_git_path("HEAD");
+ orig_head = read_line_from_git_path("ORIG_HEAD");
+ rebase_amend = read_line_from_git_path("rebase-merge/amend");
+ rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head");
- if (!s->amend && !s->nowarn && !s->workdir_dirty)
- split_in_progress = 0;
+ if (!head || !orig_head || !rebase_amend || !rebase_orig_head)
+ ; /* fall through, no split in progress */
+ else if (!strcmp(rebase_amend, rebase_orig_head))
+ split_in_progress = !!strcmp(head, rebase_amend);
+ else if (strcmp(orig_head, rebase_orig_head))
+ split_in_progress = 1;
free(head);
free(orig_head);
free(rebase_amend);
free(rebase_orig_head);
+
return split_in_progress;
}
abbrev_sha1_in_line(&line);
string_list_append(lines, line.buf);
}
+ fclose(f);
return 0;
}