Hi Phillip, On Mon, 7 Sep 2020, Phillip Wood via GitGitGadget wrote: > From: Phillip Wood <phillip.wood@xxxxxxxxxxxxx> > > asan reports that the C version of `add -p` is not freeing all the > memory it allocates. Fix this by introducing a function to clear > `struct add_p_state` and use it instead of freeing individual members. > > Signed-off-by: Phillip Wood <phillip.wood@xxxxxxxxxxxxx> ACK! And thanks for fixing bugs I introduced, Dscho > --- > add -p: fix memory leak > > It seems to be the season for add -p fixes. This patch fixes a memory > leak in the C version found with asan. > > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-729%2Fphillipwood%2Fwip%2Fadd-p-fix-memory-leak-v1 > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-729/phillipwood/wip/add-p-fix-memory-leak-v1 > Pull-Request: https://github.com/gitgitgadget/git/pull/729 > > add-patch.c | 24 ++++++++++++++++-------- > 1 file changed, 16 insertions(+), 8 deletions(-) > > diff --git a/add-patch.c b/add-patch.c > index 457b8c550e..2fcab983a6 100644 > --- a/add-patch.c > +++ b/add-patch.c > @@ -266,6 +266,20 @@ struct add_p_state { > const char *revision; > }; > > +static void add_p_state_clear(struct add_p_state *s) > +{ > + size_t i; > + > + strbuf_release(&s->answer); > + strbuf_release(&s->buf); > + strbuf_release(&s->plain); > + strbuf_release(&s->colored); > + for (i = 0; i < s->file_diff_nr; i++) > + free(s->file_diff[i].hunk); > + free(s->file_diff); > + clear_add_i_state(&s->s); > +} > + > static void err(struct add_p_state *s, const char *fmt, ...) > { > va_list args; > @@ -1690,9 +1704,7 @@ int run_add_p(struct repository *r, enum add_p_mode mode, > repo_refresh_and_write_index(r, REFRESH_QUIET, 0, 1, > NULL, NULL, NULL) < 0) || > parse_diff(&s, ps) < 0) { > - strbuf_release(&s.plain); > - strbuf_release(&s.colored); > - clear_add_i_state(&s.s); > + add_p_state_clear(&s); > return -1; > } > > @@ -1707,10 +1719,6 @@ int run_add_p(struct repository *r, enum add_p_mode mode, > else if (binary_count == s.file_diff_nr) > fprintf(stderr, _("Only binary files changed.\n")); > > - strbuf_release(&s.answer); > - strbuf_release(&s.buf); > - strbuf_release(&s.plain); > - strbuf_release(&s.colored); > - clear_add_i_state(&s.s); > + add_p_state_clear(&s); > return 0; > } > > base-commit: 3a238e539bcdfe3f9eb5010fd218640c1b499f7a > -- > gitgitgadget >
