Fix what went wrong, part 1

1 files changed, 0 insertions, 212 deletions

diff --git a/cache.c b/cache.c
deleted file mode 100644
index 3bff269..0000000
--- a/cache.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/* Copyright (C) 2020, 2022  June 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/>.
- *
- * Additional permission under GNU GPL version 3 section 7:
- *
- * If you modify this Program, or any covered work, by linking or
- * combining it with OpenSSL (or a modified version of that library),
- * containing parts covered by the terms of the OpenSSL License and the
- * original SSLeay license, the licensors of this Program grant you
- * additional permission to convey the resulting work. Corresponding
- * Source for a non-source form of such a combination shall include the
- * source code for the parts of OpenSSL used as well as that of the
- * covered work.
- */
-
-#include <err.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-
-#include "chat.h"
-
-static const struct Entry DefaultEntry = { .color = Default };
-
-static struct Entry *entryAlloc(uint id, const char *key) {
-	struct Entry *entry = malloc(sizeof(*entry));
-	if (!entry) err(EX_OSERR, "malloc");
-	*entry = DefaultEntry;
-	entry->id = id;
-	entry->key = strdup(key);
-	if (!entry->key) err(EX_OSERR, "strdup");
-	return entry;
-}
-
-static void entryFree(struct Entry *entry) {
-	free(entry->key);
-	free(entry);
-}
-
-static uint gen;
-static struct Entry *head;
-static struct Entry *tail;
-
-static struct Entry *detach(struct Entry *entry) {
-	if (entry->prev) entry->prev->next = entry->next;
-	if (entry->next) entry->next->prev = entry->prev;
-	if (head == entry) head = entry->next;
-	if (tail == entry) tail = entry->prev;
-	entry->prev = NULL;
-	entry->next = NULL;
-	return entry;
-}
-
-static struct Entry *prepend(struct Entry *entry) {
-	entry->prev = NULL;
-	entry->next = head;
-	if (head) head->prev = entry;
-	head = entry;
-	tail = (tail ?: entry);
-	return entry;
-}
-
-static struct Entry *append(struct Entry *entry) {
-	entry->next = NULL;
-	entry->prev = tail;
-	if (tail) tail->next = entry;
-	tail = entry;
-	head = (head ?: entry);
-	return entry;
-}
-
-static struct Entry *find(uint id, const char *key) {
-	for (struct Entry *entry = head; entry; entry = entry->next) {
-		if (entry->id != id) continue;
-		if (strcmp(entry->key, key)) continue;
-		return entry;
-	}
-	return NULL;
-}
-
-static struct Entry *insert(bool touch, uint id, const char *key) {
-	struct Entry *entry = find(id, key);
-	if (entry && touch) {
-		return prepend(detach(entry));
-	} else if (entry) {
-		return entry;
-	} else if (touch) {
-		return prepend(entryAlloc(id, key));
-	} else {
-		return append(entryAlloc(id, key));
-	}
-}
-
-const struct Entry *cacheGet(uint id, const char *key) {
-	struct Entry *entry = find(id, key);
-	return (entry ?: &DefaultEntry);
-}
-
-struct Entry *cacheInsert(bool touch, uint id, const char *key) {
-	return insert(touch, id, key);
-}
-
-void cacheReplace(bool touch, const char *old, const char *new) {
-	struct Entry *next = NULL;
-	for (struct Entry *entry = head; entry; entry = next) {
-		next = entry->next;
-		if (strcmp(entry->key, old)) continue;
-		free(entry->key);
-		entry->key = strdup(new);
-		if (!entry->key) err(EX_OSERR, "strdup");
-		if (touch) prepend(detach(entry));
-	}
-}
-
-void cacheRemove(uint id, const char *key) {
-	gen++;
-	struct Entry *next = NULL;
-	for (struct Entry *entry = head; entry; entry = next) {
-		next = entry->next;
-		if (id && entry->id != id) continue;
-		if (strcmp(entry->key, key)) continue;
-		detach(entry);
-		entryFree(entry);
-		if (id) break;
-	}
-}
-
-void cacheClear(uint id) {
-	gen++;
-	struct Entry *next = NULL;
-	for (struct Entry *entry = head; entry; entry = next) {
-		next = entry->next;
-		if (entry->id != id) continue;
-		detach(entry);
-		entryFree(entry);
-	}
-}
-
-const char *cacheComplete(struct Cursor *curs, uint id, const char *prefix) {
-	size_t len = strlen(prefix);
-	if (curs->gen != gen) curs->entry = NULL;
-	for (
-		curs->gen = gen, curs->entry = (curs->entry ? curs->entry->next : head);
-		curs->entry;
-		curs->entry = curs->entry->next
-	) {
-		if (curs->entry->id && curs->entry->id != id) continue;
-		if (strncasecmp(curs->entry->key, prefix, len)) continue;
-		return curs->entry->key;
-	}
-	return NULL;
-}
-
-const char *cacheSearch(struct Cursor *curs, uint id, const char *substr) {
-	if (curs->gen != gen) curs->entry = NULL;
-	for (
-		curs->gen = gen, curs->entry = (curs->entry ? curs->entry->next : head);
-		curs->entry;
-		curs->entry = curs->entry->next
-	) {
-		if (curs->entry->id && curs->entry->id != id) continue;
-		if (!strstr(curs->entry->key, substr)) continue;
-		return curs->entry->key;
-	}
-	return NULL;
-}
-
-const char *cacheNextKey(struct Cursor *curs, uint id) {
-	if (curs->gen != gen) curs->entry = NULL;
-	for (
-		curs->gen = gen, curs->entry = (curs->entry ? curs->entry->next : head);
-		curs->entry;
-		curs->entry = curs->entry->next
-	) {
-		if (curs->entry->id != id) continue;
-		return curs->entry->key;
-	}
-	return NULL;
-}
-
-uint cacheNextID(struct Cursor *curs, const char *key) {
-	if (curs->gen != gen) curs->entry = NULL;
-	for (
-		curs->gen = gen, curs->entry = (curs->entry ? curs->entry->next : head);
-		curs->entry;
-		curs->entry = curs->entry->next
-	) {
-		if (!curs->entry->id) continue;
-		if (strcmp(curs->entry->key, key)) continue;
-		return curs->entry->id;
-	}
-	return None;
-}
-
-void cacheTouch(struct Cursor *curs) {
-	if (curs->gen == gen && curs->entry) {
-		prepend(detach(curs->entry));
-	}
-}