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d7c0a89a3a
The following types are nonstandard: - u_char - u_short - u_int - u_long - u_int8_t - u_int16_t - u_int32_t Replace them with the C99 standard types: - uint8_t - unsigned short - unsigned int - unsigned long - uint8_t - uint16_t - uint32_t Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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* IS-IS Rout(e)ing protocol - isis_flags.c
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* Routines for manipulation of SSN and SRM flags
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*
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* Copyright (C) 2001,2002 Sampo Saaristo
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* Tampere University of Technology
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* Institute of Communications Engineering
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public Licenseas published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "log.h"
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#include "linklist.h"
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#include "isisd/isis_constants.h"
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#include "isisd/isis_common.h"
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#include "isisd/isis_flags.h"
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void flags_initialize(struct flags *flags)
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{
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flags->maxindex = 0;
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flags->free_idcs = NULL;
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}
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long int flags_get_index(struct flags *flags)
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{
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struct listnode *node;
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long int index;
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if (flags->free_idcs == NULL || flags->free_idcs->count == 0) {
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index = flags->maxindex++;
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} else {
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node = listhead(flags->free_idcs);
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index = (long int)listgetdata(node);
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listnode_delete(flags->free_idcs, (void *)index);
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index--;
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}
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return index;
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}
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void flags_free_index(struct flags *flags, long int index)
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{
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if (index + 1 == flags->maxindex) {
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flags->maxindex--;
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return;
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}
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if (flags->free_idcs == NULL) {
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flags->free_idcs = list_new();
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}
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listnode_add(flags->free_idcs, (void *)(index + 1));
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return;
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}
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int flags_any_set(uint32_t *flags)
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{
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uint32_t zero[ISIS_MAX_CIRCUITS];
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memset(zero, 0x00, ISIS_MAX_CIRCUITS * 4);
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return bcmp(flags, zero, ISIS_MAX_CIRCUITS * 4);
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}
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