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authorMax Kellermann <max@duempel.org>2012-01-24 18:20:58 +0100
committerMax Kellermann <max@duempel.org>2012-01-24 20:49:53 +0100
commitd99f074eb73d5228528961a78c13419c2c4c26ae (patch)
tree26749b6a0feb81d1bda7d0e1511d38ba1716cfcd /src/dirvec.c
parenta989140a0767823fcec4ef745b639b92838413f9 (diff)
downloadmpd-d99f074eb73d5228528961a78c13419c2c4c26ae.tar.gz
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directory: replace dirvec with doubly linked list
Random access is not needed, and a linked list is easier to manage: we don't need to (re-)allocate the pointer array.
Diffstat (limited to '')
-rw-r--r--src/dirvec.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/src/dirvec.c b/src/dirvec.c
deleted file mode 100644
index acc573e13..000000000
--- a/src/dirvec.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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 2 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "dirvec.h"
-#include "directory.h"
-#include "db_lock.h"
-
-#include <glib.h>
-
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-
-static size_t dv_size(const struct dirvec *dv)
-{
- return dv->nr * sizeof(struct directory *);
-}
-
-/* Only used for sorting/searching a dirvec, not general purpose compares */
-static int dirvec_cmp(const void *d1, const void *d2)
-{
- const struct directory *a = ((const struct directory * const *)d1)[0];
- const struct directory *b = ((const struct directory * const *)d2)[0];
- return g_utf8_collate(a->path, b->path);
-}
-
-void dirvec_sort(struct dirvec *dv)
-{
- db_lock();
- qsort(dv->base, dv->nr, sizeof(struct directory *), dirvec_cmp);
- db_unlock();
-}
-
-struct directory *dirvec_find(const struct dirvec *dv, const char *path)
-{
- int i;
-
- db_lock();
- for (i = dv->nr; --i >= 0; )
- if (!strcmp(directory_get_name(dv->base[i]), path)) {
- db_unlock();
- return dv->base[i];
- }
-
- db_unlock();
-
- return NULL;
-}
-
-int dirvec_delete(struct dirvec *dv, struct directory *del)
-{
- size_t i;
-
- db_lock();
- for (i = 0; i < dv->nr; ++i) {
- if (dv->base[i] != del)
- continue;
- /* we _don't_ call directory_free() here */
- if (!--dv->nr) {
- db_unlock();
- g_free(dv->base);
- dv->base = NULL;
- return i;
- } else {
- memmove(&dv->base[i], &dv->base[i + 1],
- (dv->nr - i) * sizeof(struct directory *));
- dv->base = g_realloc(dv->base, dv_size(dv));
- }
- break;
- }
- db_unlock();
-
- return i;
-}
-
-void dirvec_add(struct dirvec *dv, struct directory *add)
-{
- db_lock();
- ++dv->nr;
- dv->base = g_realloc(dv->base, dv_size(dv));
- dv->base[dv->nr - 1] = add;
- db_unlock();
-}
-
-void dirvec_destroy(struct dirvec *dv)
-{
- db_lock();
- dv->nr = 0;
- db_unlock();
- if (dv->base) {
- g_free(dv->base);
- dv->base = NULL;
- }
-}