Open SCAP Library
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00001 /* 00002 * Copyright 2009 Red Hat Inc., Durham, North Carolina. 00003 * All Rights Reserved. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU Lesser General Public 00016 * License along with this library; if not, write to the Free Software 00017 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 * 00019 * Authors: 00020 * "Daniel Kopecek" <dkopecek@redhat.com> 00021 */ 00022 00023 #pragma once 00024 #ifndef BITMAP_H 00025 #define BITMAP_H 00026 00027 #include <stdint.h> 00028 #include "../../../../common/util.h" 00029 00030 OSCAP_HIDDEN_START; 00031 00032 typedef uint32_t bitmap_cell_t; 00033 typedef uint16_t bitmap_size_t; 00034 typedef int32_t bitmap_bitn_t; 00035 00036 typedef struct { 00037 #if defined(SEAP_THREAD_SAFE) 00038 uint8_t locked; 00039 #endif 00040 bitmap_size_t size; /* bit capacity = size * BITMAP_CELLSIZE */ 00041 bitmap_size_t realsize; 00042 bitmap_cell_t *cells; 00043 bitmap_bitn_t count; 00044 } bitmap_t; 00045 00046 #if defined(SEAP_THREAD_SAFE) 00047 # define BITMAP_INITIALIZER { 0, 128, 0, NULL, 0 } 00048 #else 00049 # define BITMAP_INITIALIZER { 128, 0, NULL, 0 } 00050 #endif 00051 00052 #define BITMAP_CELLSIZE (sizeof (bitmap_cell_t) * 8) 00053 00054 bitmap_t *bitmap_new (bitmap_size_t size); 00055 int *bitmap_init (bitmap_t *bitmap, bitmap_size_t size); 00056 int *bitmap_reinit (bitmap_t *bitmap, bitmap_size_t size); 00057 int bitmap_set (bitmap_t *bitmap, bitmap_bitn_t bitn); 00058 int bitmap_cas (bitmap_t *bitmap, bitmap_bitn_t bitn, int v); 00059 int bitmap_unset (bitmap_t *bitmap, bitmap_bitn_t bitn); 00060 int bitmap_clear (bitmap_t *bitmap); 00061 bitmap_bitn_t bitmap_setfree (bitmap_t *bitmap); 00062 bitmap_bitn_t bitmap_getfree (bitmap_t *bitmap); 00063 void bitmap_free (bitmap_t *bitmap); 00064 00065 OSCAP_HIDDEN_END; 00066 00067 #endif