Hi

On Wed, 25 Jul 2012, Peter Wang <novalazy@gmail.com> wrote:
> Support an option to create a new folder in the maildir.
> ---
>  notmuch-insert.c |   71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 71 insertions(+), 0 deletions(-)
>
> diff --git a/notmuch-insert.c b/notmuch-insert.c
> index a69dfe6..380c520 100644
> --- a/notmuch-insert.c
> +++ b/notmuch-insert.c
> @@ -48,6 +48,70 @@ check_folder_name (const char *folder)
>      }
>  }
>  
> +static int
> +mkdir_parents (void *ctx, const char *path, int mode)
> +{
> +    struct stat st;
> +    char *pathcopy;
> +    char *start;
> +    char *end;
> +    int ret;
> +
> +    /* First check the common case: directory already exists. */
> +    if (stat (path, &st) == 0) {
> +	return (S_ISDIR (st.st_mode)) ? 0 : -1;
> +    }
> +
> +    pathcopy = talloc_strdup (ctx, path);
> +    ret = 0;
> +
> +    for (start = pathcopy; *start != '\0'; start = end + 1) {
> +	end = strchr (start + 1, '/');
> +	if (!end) {
> +	    ret = mkdir (path, mode);
> +	    break;
> +	}
> +	*end = '\0';
> +	ret = mkdir (pathcopy, mode);
> +	if (ret != 0 && errno != EEXIST) {
> +	    break;
> +	}
> +	*end = '/';
> +    }
I am a little confused by this: why is there a +1 in the start = end + 1
line and in the end = strchr line? I believe it doesn't matter but it
makes me wonder if I am missing something.

Best wishes

Mark



> +
> +    talloc_free (pathcopy);
> +
> +    return ret;
> +}
> +
> +static notmuch_bool_t
> +maildir_create (void *ctx, const char *dir)
> +{
> +    const int mode = 0755;
> +    char *subdir;
> +    char *end;
> +
> +    /* Create 'cur' directory, including parent directories. */
> +    subdir = talloc_asprintf (ctx, "%s/cur", dir);
> +    if (mkdir_parents (ctx, subdir, mode) != 0)
> +	return FALSE;
> +
> +    end = subdir + strlen (subdir);
> +
> +    /* Create 'new' directory. */
> +    strcpy (end - 3, "new");
> +    if (mkdir (subdir, mode) != 0 && errno != EEXIST)
> +	return FALSE;
> +
> +    /* Create 'tmp' directory. */
> +    strcpy (end - 3, "tmp");
> +    if (mkdir (subdir, mode) != 0 && errno != EEXIST)
> +	return FALSE;
> +
> +    talloc_free (subdir);
> +    return TRUE;
> +}
> +
>  static notmuch_bool_t
>  safe_gethostname (char *hostname, size_t hostname_size)
>  {
> @@ -253,6 +317,7 @@ notmuch_insert_command (void *ctx, int argc, char *argv[])
>      const char **new_tags;
>      size_t new_tags_length;
>      const char *folder = NULL;
> +    notmuch_bool_t create_folder = FALSE;
>      tag_operation_t *tag_ops;
>      int tag_ops_count = 0;
>      char *maildir;
> @@ -262,6 +327,7 @@ notmuch_insert_command (void *ctx, int argc, char *argv[])
>  
>      notmuch_opt_desc_t options[] = {
>  	{ NOTMUCH_OPT_STRING, &folder, "folder", 0, 0 },
> +	{ NOTMUCH_OPT_BOOLEAN, &create_folder, "create-folder", 0, 0 },
>  	{ NOTMUCH_OPT_END, 0, 0, 0, 0 }
>      };
>  
> @@ -328,6 +394,11 @@ notmuch_insert_command (void *ctx, int argc, char *argv[])
>  	    return 1;
>  	}
>  	maildir = talloc_asprintf (ctx, "%s/%s", db_path, folder);
> +	if (create_folder && ! maildir_create (ctx, maildir)) {
> +	    fprintf (stderr, "Error: creating maildir %s: %s\n",
> +		     maildir, strerror (errno));
> +	    return 1;
> +	}
>      } else {
>  	maildir = talloc_asprintf (ctx, "%s", db_path);
>      }
> -- 
> 1.7.4.4
>
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