118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
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* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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* Copyright (C) 2007-2013 Sourcefire, Inc.
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*
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* Authors: Nigel Horne
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* $Log: line.c,v $
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* Revision 1.11 2007/02/12 20:46:08 njh
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* Various tidy
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*
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* Revision 1.10 2006/04/09 19:59:27 kojm
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* update GPL headers with new address for FSF
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*
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* Revision 1.9 2005/03/10 08:53:33 nigelhorne
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* Tidy
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*
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* Revision 1.8 2005/03/01 11:38:11 nigelhorne
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* Fix typo
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*
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* Revision 1.7 2004/12/08 20:07:23 nigelhorne
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* Fix compilation error on Solaris
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*
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* Revision 1.6 2004/10/14 17:45:55 nigelhorne
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* Try to reclaim some memory if it becomes low when decoding
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*
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* Revision 1.5 2004/09/30 08:58:56 nigelhorne
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* Remove empty lines
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*
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* Revision 1.4 2004/09/21 14:55:26 nigelhorne
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* Handle blank lines in text/plain messages
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*
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* Revision 1.3 2004/08/25 12:30:36 nigelhorne
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* Use memcpy rather than strcpy
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*
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* Revision 1.2 2004/08/21 11:57:57 nigelhorne
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* Use line.[ch]
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*
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* Revision 1.1 2004/08/20 11:58:20 nigelhorne
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* First draft
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*
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*/
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#if HAVE_CONFIG_H
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#include "clamav-config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "clamav.h"
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#include "line.h"
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#include "others.h"
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line_t *
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lineCreate(const char *data)
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{
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const size_t size = strlen(data);
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line_t *ret = (line_t *)cli_malloc(size + 2);
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if (ret == NULL) {
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cli_errmsg("lineCreate: Unable to allocate memory for ret\n");
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return (line_t *)NULL;
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}
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ret[0] = (char)1;
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/*strcpy(&ret[1], data);*/
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memcpy(&ret[1], data, size);
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ret[size + 1] = '\0';
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return ret;
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}
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line_t *
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lineLink(line_t *line)
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{
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assert(line != NULL);
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if ((unsigned char)line[0] == (unsigned char)255) {
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cli_dbgmsg("lineLink: linkcount too large (%s)\n", lineGetData(line));
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return lineCreate(lineGetData(line));
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}
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line[0]++;
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/*printf("%d:\n\t'%s'\n", (int)line[0], &line[1]);*/
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return line;
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}
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line_t *
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lineUnlink(line_t *line)
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{
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/*printf("%d:\n\t'%s'\n", (int)line[0], &line[1]);*/
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if (--line[0] == 0) {
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free(line);
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return NULL;
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}
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return line;
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}
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const char *
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lineGetData(const line_t *line)
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{
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return line ? &line[1] : NULL;
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}
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