Re: [RFC memory leak?] Minor memory leak fix
- From
Duy Nguyen <pclouds@gmail.com>
- Date
- Mar 11, 2014, 11:58 UTC
- Message-ID
- <CACsJy8Bp6rpe4hLg0eMBCjPjL5uDwXj-7ZVmZtUZvR26unAuoQ@mail.gmail.com>
- In-Reply-To
- <1394534706-28987-1-git-send-email-iveqy@iveqy.com>
On Tue, Mar 11, 2014 at 5:45 PM, Fredrik Gustafsson <iveqy@iveqy.com> wrote:
> Strbuf needs to be released even if it's locally declared.
"path" is declared static. So yes it's a leak but the leak is minimum. Your patch would make more sense if "static" is gone and it's leaked after every write_archive_entry call.
Show 28 quoted lines
>
> Signed-off-by: Fredrik Gustafsson <iveqy@iveqy.com>
> ---
> archive.c | 21 +++++++++++++++------
> 1 file changed, 15 insertions(+), 6 deletions(-)
>
> diff --git a/archive.c b/archive.c
> index 346f3b2..d6d56e6 100644
> --- a/archive.c
> +++ b/archive.c
> @@ -113,6 +113,7 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
> struct git_attr_check check[2];
> const char *path_without_prefix;
> int err;
> + int to_ret = 0;
>
> args->convert = 0;
> strbuf_reset(&path);
> @@ -126,8 +127,10 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
>
> setup_archive_check(check);
> if (!git_check_attr(path_without_prefix, ARRAY_SIZE(check), check)) {
> - if (ATTR_TRUE(check[0].value))
> - return 0;
> + if (ATTR_TRUE(check[0].value)) {
> + to_ret = 0;
> + goto cleanup;
> + }to_ret is already 0 so I think "goto cleanup;" is enough.
Show 16 quoted lines
> args->convert = ATTR_TRUE(check[1].value);
> }
>
> @@ -135,14 +138,20 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
> if (args->verbose)
> fprintf(stderr, "%.*s\n", (int)path.len, path.buf);
> err = write_entry(args, sha1, path.buf, path.len, mode);
> - if (err)
> - return err;
> - return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
> + if (err) {
> + to_ret = err;
> + goto cleanup;
> + }
> + to_ret = (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
> + goto cleanup;Maybe if (err) to_ret = ...; else to_ret = ...; so we only need one "goto cleanup" statement. Going even further:
to_ret = write_entry(...); if (!to_ret) to_ret = (S_ISDIR(...)); goto cleanup;
Show 19 quoted lines
> } > > if (args->verbose) > fprintf(stderr, "%.*s\n", (int)path.len, path.buf); > - return write_entry(args, sha1, path.buf, path.len, mode); > + to_ret = write_entry(args, sha1, path.buf, path.len, mode); > +cleanup: > + strbuf_release(&path); > + return to_ret; > } > > int write_archive_entries(struct archiver_args *args, > -- > 1.8.3.1.490.g39d9b24.dirty > > -- > To unsubscribe from this list: send the line "unsubscribe git" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
-- Duy