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Diffstat (limited to '')
| -rw-r--r-- | concat.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/concat.c b/concat.c new file mode 100644 index 0000000..217662a --- /dev/null +++ b/concat.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2020 C. McEnroe <june@causal.agency> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include <err.h> +#include <inttypes.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> + +#include "archive.h" +#include "imap.h" + +static uint32_t threadRoot(struct List thread) { + if (!thread.len) errx(EX_PROTOCOL, "empty thread"); + while (thread.ptr[0].type == List) { + thread = thread.ptr[0].list; + if (!thread.len) errx(EX_PROTOCOL, "empty subthread"); + } + if (thread.ptr[0].type != Number) errx(EX_PROTOCOL, "invalid thread root"); + return thread.ptr[0].number; +} + +enum Atom concatFetch(FILE *imap, struct List threads) { + enum Atom tag = atom("concatFetch"); + fprintf(imap, "%s UID FETCH ", Atoms[tag]); + for (size_t i = 0; i < threads.len; ++i) { + if (threads.ptr[i].type != List) errx(EX_PROTOCOL, "invalid thread"); + uint32_t root = threadRoot(threads.ptr[i].list); + fprintf(imap, "%s%" PRIu32, (i ? "," : ""), root); + } + fprintf(imap, " (UID ENVELOPE)\r\n"); + return tag; +} |