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/**********************************************************************
* This source code is copyright 1999 by Gus Hartmann & Peter Keller *
* It may be distributed under the terms of the GNU General Purpose *
* License, version 2 or above; see the file COPYING for more *
* information. *
* *
* $Id: utils.c,v 1.8 2003-10-11 20:50:50 hartmann Exp $
* *
**********************************************************************/
#include "sweep.h"
void* xmalloc(size_t num)
{
void *vec = NULL;
vec = (void*)malloc(sizeof(unsigned char) * num);
if (vec == NULL)
{
SweepError("Out of Memory. Sorry");
exit(EXIT_FAILURE);
}
return vec;
}
#ifndef HAVE_STRDUP
char *strdup(char *s)
{
char *c = NULL;
c = (char*)xmalloc(strlen(s) + 1);
#if defined(HAVE_STRNCPY)
strncpy(c, s, strlen(s) + 1);
#else
strcpy(c, s);
#endif
return(c);
}
#endif
char* xgetcwd(char *buf, size_t size)
{
char *path = NULL;
path = getcwd(buf, size);
if (path == NULL)
{
SweepError("Could not get current working directory.");
exit(EXIT_FAILURE);
}
return path;
}
DIR* xopendir(const char *path)
{
DIR *dirent = NULL;
dirent = opendir(path);
if (dirent == NULL)
{
return NULL;
}
return dirent;
}
/* start and stop the timer */
void StartTimer(void)
{
signal(SIGALRM, sighandler);
alarm(1);
}
/* stop the timer */
void StopTimer(void)
{
signal(SIGALRM, SIG_IGN);
}
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