gem-graph-client/libide/code/ide-doc-seq.c

58 lines
1.4 KiB
C

/* ide-doc-seq.c
*
* Copyright 2014-2019 Christian Hergert <chergert@redhat.com>
*
* 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 <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#define G_LOG_DOMAIN "ide-doc-seq"
#include "config.h"
#include "ide-doc-seq-private.h"
static GHashTable *seq;
guint
ide_doc_seq_acquire (void)
{
guint seq_id;
if (!seq)
seq = g_hash_table_new (g_direct_hash, g_direct_equal);
for (seq_id = 1; seq_id < G_MAXUINT; seq_id++)
{
gpointer key;
key = GINT_TO_POINTER (seq_id);
if (!g_hash_table_lookup (seq, key))
{
g_hash_table_insert (seq, key, GINT_TO_POINTER (TRUE));
return seq_id;
}
}
return 0;
}
void
ide_doc_seq_release (guint seq_id)
{
g_hash_table_remove (seq, GINT_TO_POINTER (seq_id));
}