/*** Additional routines used by mosmon**** Copyright (C) 2004  Moreno 'baro' Baricevic**                                      <baro AT democritos DOT it>**** This  file may be used subject to the terms and conditions of the** GNU Library General Public License as published by the Free Soft-** ware Foundation; either version 2 of the License, or (at your op-** tion) any later version.**** This file is distributed in the hope that it will be useful,  but** WITHOUT  ANY  WARRANTY; without even the implied warranty of MER-** CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Li-** brary General Public License for more details.*//************************************************** * Author: Moreno 'baro' Baricevic                * * Date:   13 Mar 2004                            * * Title:  utils.c                                * *================================================* * Prev Modified: 13 Mar 2004                     * * Prev Modified: 17 Mar 2004                     * * Prev Modified: 19 Mar 2004                     * * Prev Modified: 20 Mar 2004                     * * Prev Modified: 21 Mar 2004                     * * Prev Modified: 25 Mar 2004                     * * Last Modified: 06 Apr 2004                     * **************************************************//* Several bugfixes by David Santo Orcero          *//*  irbis@orcero.org  http://www.orcero.org/irbis  *//* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTY IS ASSUMED.               *//* NO LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING            *//* FROM THE USE OF THIS SOFTWARE WILL BE ACCEPTED. IT CAN BURN              *//* YOUR HARD DISK, ERASE ALL YOUR DATA AND BROKE DOWN YOUR                  *//* MICROWAVE OVEN. YOU ARE ADVISED.                                         */#include "utils.h"#include <stdarg.h>/****************************************************************** *_____________________________  DIE _____________________________* ******************************************************************//*** mmh, something's gone wrong*/voiddie (const char *errmsg, ...){  if (errno)    fprintf (stderr, "*** errno: [%d] %m\n", errno);  if (errmsg && *errmsg)    {      va_list args;      va_start (args, errmsg);      vfprintf (stderr, errmsg, args);      va_end (args);      putc ('\n', stderr);    }  exit (1);}				/* die *//*********************************************************************** *_____________________________  XCMALLOC _____________________________* ***********************************************************************//* (om)procps/proc/ominfo.c *//*** allocates zeroed memory buffer.** Dies only on system failure (ENOMEM), not bugs(?) like size<=0.*/void *xcmalloc (const size_t size){  errno = 0;  if (size > 0)    {      register void *ptr = malloc (size);      if (ptr == NULL)	{	  fprintf (stderr, "%s: allocation error, size = %d\n", __FUNCTION__,		   size);	  exit (1);	}      DBGprint ("%d bytes allocated on %p", size, ptr);      return memset (ptr, 0, size);    }  errno = EINVAL;  return NULL;}				/* xcmalloc *//********************************************************************* *_____________________________  STRTOI _____________________________* *********************************************************************//* (om)procps/proc/ominfo.c *//*** converts a string to an integer (the whole string must be a number).** Wrapper to strtol (int64_t on 64bits, int32_t on 32bits)** Needs <limits.h> and <bits/wordsize.h>.*/intstrtoi (const char *string){  errno = 0;  if (string && *string)    {      char *junk = NULL;      long lval = strtol (string, &junk, 10);      if (string != junk && *junk == '\0')	{#if __WORDSIZE == 64		// long == int64_t	  if (lval > INT_MAX)	    {	      errno = ERANGE;	      lval = INT_MAX;	    }	  if (lval < INT_MIN)	    {	      errno = ERANGE;	      lval = INT_MIN;	    }#endif	  return (int) lval;	}    }  errno = EINVAL;  return 0;}				/* strtoi */#ifdef DEBUG/************************************************************************ *_____________________________  STDREOPEN _____________________________* ************************************************************************//*** stderr to console (or devnull on failure) -- (debug)** (I use xconsole...)*/voidstdreopen (void){  int fade;  (void) close (STDERR_FILENO);  fade = open ("/dev/console", O_APPEND | O_WRONLY);  if (fade == -1)		// mmh, check your console permissions/owner    {#ifdef IGNORE_CONSOLE      fade = open ("/dev/null", O_APPEND | O_WRONLY);      if (fade == -1)		// sticazzi!	abort ();#else /* IGNORE_CONSOLE */      dup2 (STDOUT_FILENO, STDERR_FILENO);      die ("mmh, check your console permissions");#endif /* IGNORE_CONSOLE */    }  (void) dup2 (fade, STDERR_FILENO),    (void) setvbuf (stderr, (char *) NULL, _IONBF, 0);}				/* stdreopen */#endif /* DEBUG *//***********************  E N D   O F   F I L E  ************************/