On Sun, Apr 24, 2016 at 9:33 AM, Christian Couder
<christian.cou...@gmail.com> wrote:
> To be compatible with the rest of the error handling in builtin/apply.c,
> find_header() should return -1 instead of calling die().
>
> Unfortunately find_header() already returns -1 when no header is found,
> so let's make it return -2 instead in this case.
>
> Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
> ---
> diff --git a/builtin/apply.c b/builtin/apply.c
> @@ -1588,18 +1596,18 @@ static int find_header(struct apply_state *state,
> continue;
> if (!patch->old_name && !patch->new_name) {
> if (!patch->def_name)
> - die(Q_("git diff header lacks
> filename information when removing "
> - "%d leading pathname component
> (line %d)",
> - "git diff header lacks
> filename information when removing "
> - "%d leading pathname
> components (line %d)",
> - state->p_value),
> - state->p_value, state->linenr);
> + return error(Q_("git diff header
> lacks filename information when removing "
> + "%d leading pathname
> component (line %d)",
> + "git diff header
> lacks filename information when removing "
> + "%d leading pathname
> components (line %d)",
> + state->p_value),
> + state->p_value,
> state->linenr);
> patch->old_name = xstrdup(patch->def_name);
> patch->new_name = xstrdup(patch->def_name);
> }
> if (!patch->is_delete && !patch->new_name)
> - die("git diff header lacks filename
> information "
> - "(line %d)", state->linenr);
> + return error("git diff header lacks filename
> information "
> + "(line %d)", state->linenr);
I realize that the caller in this patch currently just die()'s, and I
haven't looked at subsequent patches yet, but is this new 'return'
going to cause the caller to start leaking patch->old_name and
patch->new_name which are xstrdup()'d just above?
> patch->is_toplevel_relative = 1;
> *hdrsize = git_hdr_len;
> return offset;
> @@ -2115,6 +2123,9 @@ static int parse_chunk(struct apply_state *state, char
> *buffer, unsigned long si
> int hdrsize, patchsize;
> int offset = find_header(state, buffer, size, &hdrsize, patch);
>
> + if (offset == -1)
> + exit(1);
> +
> if (offset < 0)
> return offset;
--
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