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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 "config.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.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;
}
uchar *srUtilStrDup(uchar *pOld, size_t len)
{
uchar *pNew;
assert(pOld != NULL);
if((pNew = malloc(len + 1)) != NULL)
memcpy(pNew, pOld, len + 1);
return pNew;
}
/* creates a path recursively
* Return 0 on success, -1 otherwise. On failure, errno
* hold the last OS error.
* Param "mode" holds the mode that all non-existing directories
* are to be created with.
*/
int makeFileParentDirs(uchar *szFile, size_t lenFile, mode_t mode,
uid_t uid, gid_t gid, int bFailOnChown)
{
uchar *p;
uchar *pszWork;
size_t len;
int bErr = 0;
assert(szFile != NULL);
assert(lenFile > 0);
len = lenFile + 1; /* add one for '\0'-byte */
if((pszWork = malloc(sizeof(uchar) * len)) == NULL)
return -1;
memcpy(pszWork, szFile, len);
for(p = pszWork+1 ; *p ; p++)
if(*p == '/') {
/* temporarily terminate string, create dir and go on */
*p = '\0';
if(access((char*)pszWork, F_OK)) {
if(mkdir((char*)pszWork, mode) == 0) {
if(uid != (uid_t) -1 || gid != (gid_t) -1) {
/* we need to set owner/group */
if(chown((char*)pszWork, uid, gid) != 0)
if(bFailOnChown)
bErr = 1;
/* silently ignore if configured
* to do so.
*/
}
} else
bErr = 1;
if(bErr) {
int eSave = errno;
free(pszWork);
errno = eSave;
return -1;
}
}
*p = '/';
}
free(pszWork);
return 0;
}
/*
* vi:set ai:
*/
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