ossp-pkg/rc/rc_util.c
1.9
/* OSSP rc - Run-command processor
** Copyright (c) 2002 Ralf S. Engelschall
** Copyright (c) 2002 Cable & Wireless Deutschland GmbH
** Copyright (c) 2002 The OSSP Project <http://www.ossp.org/>
**
** This file is part of OSSP rc, a portable Run-command processor
** which can be found at http://www.ossp.org/pkg/lib/rc/
**
** Permission to use, copy, modify, and distribute this software for
** any purpose with or without fee is hereby granted, provided that
** the above copyright notice and this permission notice appear in all
** copies.
**
** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
** SUCH DAMAGE.
**
** rc_util.c: Run-command processor ISO C source file
*/
#include <stdlib.h>
#include <string.h>
#include "rc.h" /* Error definitions */
#include "rc_const.h" /* String definitions */
/* Translate an error code to a string */
char *strErr(rc_return_t rv)
{
if (rv == RC_OK) return RC_ERRSTR_OK;
else if (rv == RC_ERR_USE) return RC_ERRSTR_USE;
else if (rv == RC_ERR_MEM) return RC_ERRSTR_MEM;
else if (rv == RC_ERR_SYS) return RC_ERRSTR_SYS;
else if (rv == RC_ERR_IO) return RC_ERRSTR_IO;
else if (rv == RC_ERR_INT) return RC_ERRSTR_INT;
else if (rv == RC_ERR_FNC) return RC_ERRSTR_FNC;
else if (rv == RC_ERR_DIR) return RC_ERRSTR_DIR;
else if (rv == RC_ERR_RCF) return RC_ERRSTR_RCF;
else if (rv == RC_ERR_TRM) return RC_ERRSTR_TRM;
else if (rv == RC_WRN_OWR) return RC_WRNSTR_OWR;
else if (rv == RC_WRN_NUL) return RC_WRNSTR_NUL;
else return RC_ERRSTR_UNK;
}
/* Vector copy constructor */
char **vectorCopy(const char **kpszVec)
{
int nSecs = 0;
int nIndex = 0;
size_t nBytes = 0;
char **pszTemp = NULL;
if (kpszVec) {
for (nSecs = 0; kpszVec[nSecs]; nSecs++); /* Count the sections */
pszTemp = malloc(sizeof (char **) * nSecs + 1);
for (nIndex = 0; kpszVec[nIndex]; nIndex++) { /* Copy loop */
nBytes = (strlen(kpszVec[nIndex]) + 1) * sizeof(char); /* for each */
pszTemp[nIndex] = malloc(nBytes); /* element */
memcpy(pszTemp[nIndex], kpszVec[nIndex], nBytes); /* in vector */
}
pszTemp[nIndex] = NULL; /* Used later to find the end of the array */
return(pszTemp); /* Success */
}
else
RC_THROW(RC_ERR_USE); /* Incoming vector is NULL? */
return(NULL); /* Failure */
}
/* Vector counter */
short vectorCount(const char **pszVec)
{
int i = 0;
assert(pszVec); /* Check for unallocated incoming */
while (pszVec[i]) /* Loop through elements, */
i++; /* and count them here */
return(i);
}
/* Vector destructor */
rc_return_t vectorDel(char **pszVec)
{
int i;
assert(pszVec); /* Check for unallocated incoming */
for (i = 0; pszVec[i]; i++) { /* Loop through elements */
free(pszVec[i]); /* of vector, deallocating */
pszVec[i] = NULL; /* along the way */
}
free(pszVec); /* Free the vector itself */
pszVec = NULL;
return(RC_THROW(RC_OK));
}
/* Section priority compare, to use with qsort(3) */
int priCompare(const void *pkv1, const void *pkv2)
{
int nOne = 0;
int nTwo = 0;
if (pkv1) {
nOne = ((rc_section_t *)pkv1)->m_nPri;
if (pkv2)
nTwo = ((rc_section_t *)pkv2)->m_nPri;
else
return (-1);
}
else if (pkv2)
return (1);
else
return (0);
if (nOne)
if (nTwo)
if (*(int *)nOne > *(int *)nTwo)
return (1);
else if (*(int *)nOne < *(int *)nTwo)
return (-1);
else
return (0);
else
return (-1);
else if (nTwo)
return (1);
else
return (0);
}
