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/**\file srUtils.c
* \brief General utilties that fit nowhere else.
*
* The namespace for this file is "srUtil".
*
* \author Rainer Gerhards <rgerhards@adiscon.com>
* \date 2003-09-09
* Coding begun.
*
* Copyright 2003-2007 Rainer Gerhards and Adiscon GmbH.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#include <stdlib.h>
#include <string.h>
#include "rsyslog.h" /* THIS IS A MODIFICATION FOR RSYSLOG! 2004-11-18 rgerards */
#include "liblogging-stub.h" /* THIS IS A MODIFICATION FOR RSYSLOG! 2004-11-18 rgerards */
#define TRUE 1
#define FALSE 0
#include "srUtils.h"
#include "assert.h"
/* ################################################################# *
* private members *
* ################################################################# */
/* As this is not a "real" object, there won't be any private
* members in this file.
*/
/* ################################################################# *
* public members *
* ################################################################# */
rsRetVal srUtilItoA(char *pBuf, int iLenBuf, int iToConv)
{
int i;
int bIsNegative;
char szBuf[32]; /* sufficiently large for my lifespan and those of my children... ;) */
assert(pBuf != NULL);
assert(iLenBuf > 1); /* This is actually an app error and as thus checked for... */
if(iToConv < 0)
{
bIsNegative = TRUE;
iToConv *= -1;
}
else
bIsNegative = FALSE;
/* first generate a string with the digits in the reverse direction */
i = 0;
do
{
szBuf[i] = iToConv % 10 + '0';
iToConv /= 10;
} while(iToConv > 0); /* warning: do...while()! */
/* make sure we are within bounds... */
if(i + 2 > iLenBuf) /* +2 because: a) i starts at zero! b) the \0 byte */
return RS_RET_PROVIDED_BUFFER_TOO_SMALL;
/* then move it to the right direction... */
if(bIsNegative == TRUE)
*pBuf++ = '-';
while(i >= 0)
*pBuf++ = szBuf[i--];
*pBuf = '\0'; /* terminate it!!! */
return RS_RET_OK;
}
unsigned char *srUtilStrDup(unsigned char *pOld, size_t len)
{
unsigned char *pNew;
assert(pOld != NULL);
assert(len >= 0);
if((pNew = malloc(len + 1)) != NULL)
memcpy(pNew, pOld, len + 1);
return pNew;
}
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