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builtin/format-patch: fix various trivial memory leaks

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There are various memory leaks hit by git-format-patch(1). Basically all
of them are trivial, except that un-setting `diffopt.no_free` requires
us to unset the `diffopt.file` because we manually close it already.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-08-14 08:52:44 +02:00
committed by Junio C Hamano
parent 6b15d9ca7f
commit 1bc158e750
2 changed files with 11 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
builtin/log.c
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@ -1827,12 +1827,14 @@ static struct commit *get_base_commit(const struct format_config *cfg,
if (die_on_failure) {
die(_("failed to find exact merge base"));
} else {
free_commit_list(merge_base);
free(rev);
return NULL;
}
}
rev[i] = merge_base->item;
free_commit_list(merge_base);
}
if (rev_nr % 2)
@ -2023,6 +2025,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
const char *rfc = NULL;
int creation_factor = -1;
const char *signature = git_version_string;
char *signature_to_free = NULL;
char *signature_file_arg = NULL;
struct keep_callback_data keep_callback_data = {
.cfg = &cfg,
@ -2443,7 +2446,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
if (strbuf_read_file(&buf, signature_file, 128) < 0)
die_errno(_("unable to read signature file '%s'"), signature_file);
signature = strbuf_detach(&buf, NULL);
signature = signature_to_free = strbuf_detach(&buf, NULL);
} else if (cfg.signature) {
signature = cfg.signature;
}
@ -2548,12 +2551,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
else
print_signature(signature, rev.diffopt.file);
}
if (output_directory)
if (output_directory) {
fclose(rev.diffopt.file);
rev.diffopt.file = NULL;
}
}
stop_progress(&progress);
free(list);
free(branch_name);
if (ignore_if_in_upstream)
free_patch_ids(&ids);
@ -2565,11 +2569,14 @@ done:
strbuf_release(&rdiff_title);
free(description_file);
free(signature_file_arg);
free(signature_to_free);
free(branch_name);
free(to_free);
free(rev.message_id);
if (rev.ref_message_ids)
string_list_clear(rev.ref_message_ids, 0);
free(rev.ref_message_ids);
rev.diffopt.no_free = 0;
release_revisions(&rev);
format_config_release(&cfg);
return 0;