On Sun, 20 Jan 2013, Peter Wang <novalazy at gmail.com> wrote:
> parse_tag_command_line checked for two error conditions which are
> specific to the 'tag' command. It can be reused for the notmuch
> 'insert' command if we move the checks out, into notmuch-tag.c.
*three* error conditions, two of which are specific to notmuch tag. See
below.
> ---
> notmuch-tag.c | 10 ++++++++++
> tag-util.c | 10 ----------
> 2 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/notmuch-tag.c b/notmuch-tag.c
> index d9daf8f..a901dad 100644
> --- a/notmuch-tag.c
> +++ b/notmuch-tag.c
> @@ -234,6 +234,16 @@ notmuch_tag_command (void *ctx, int argc, char *argv[])
> if (parse_tag_command_line (ctx, argc - opt_index, argv + opt_index,
> &query_string, tag_ops))
> return 1;
> +
> + if (tag_op_list_size (tag_ops) == 0) {
> + fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to
> add or remove.\n");
> + return 1;
> + }
> +
> + if (*query_string == '\0') {
> + fprintf (stderr, "Error: notmuch tag requires at least one search
> term.\n");
> + return 1;
> + }
> }
>
> config = notmuch_config_open (ctx, NULL, NULL);
> diff --git a/tag-util.c b/tag-util.c
> index 3f9da05..41f2c09 100644
> --- a/tag-util.c
> +++ b/tag-util.c
> @@ -186,18 +186,8 @@ parse_tag_command_line (void *ctx, int argc, char **argv,
> tag_op_list_append (tag_ops, argv[i] + 1, is_remove);
> }
>
> - if (tag_op_list_size (tag_ops) == 0) {
> - fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to add
> or remove.\n");
> - return TAG_PARSE_INVALID;
> - }
> -
> *query_str = query_string_from_args (ctx, argc - i, &argv[i]);
>
> - if (*query_str == NULL || **query_str == '\0') {
You must leave *query_str == NULL check intact here. Fix the error
message to be about allocation failure and drop the reference to notmuch
tag while at it.
Otherwise LGTM.
> - fprintf (stderr, "Error: notmuch tag requires at least one search
> term.\n");
> - return TAG_PARSE_INVALID;
> - }
> -
> return TAG_PARSE_SUCCESS;
> }
>
> --
> 1.7.12.1
>
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