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/*
* The PCI Utilities -- Common Functions
*
* Copyright (c) 1997--2006 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include "pciutils.h"
void NONRET
die(char *msg, ...)
{
va_list args;
va_start(args, msg);
fprintf(stderr, "%s: ", program_name);
vfprintf(stderr, msg, args);
fputc('\n', stderr);
exit(1);
}
void *
xmalloc(unsigned int howmuch)
{
void *p = malloc(howmuch);
if (!p)
die("Unable to allocate %d bytes of memory", howmuch);
return p;
}
void *
xrealloc(void *ptr, unsigned int howmuch)
{
void *p = realloc(ptr, howmuch);
if (!p)
die("Unable to allocate %d bytes of memory", howmuch);
return p;
}
int
parse_generic_option(int i, struct pci_access *pacc, char *optarg)
{
switch (i)
{
#ifdef PCI_HAVE_PM_LINUX_PROC
case 'P':
pacc->method_params[PCI_ACCESS_PROC_BUS_PCI] = optarg;
pacc->method = PCI_ACCESS_PROC_BUS_PCI;
break;
#endif
#ifdef PCI_HAVE_PM_INTEL_CONF
case 'H':
if (!strcmp(optarg, "1"))
pacc->method = PCI_ACCESS_I386_TYPE1;
else if (!strcmp(optarg, "2"))
pacc->method = PCI_ACCESS_I386_TYPE2;
else
die("Unknown hardware configuration type %s", optarg);
break;
#endif
#ifdef PCI_HAVE_PM_DUMP
case 'F':
pacc->method_params[PCI_ACCESS_DUMP] = optarg;
pacc->method = PCI_ACCESS_DUMP;
break;
#endif
case 'G':
pacc->debugging++;
break;
default:
return 0;
}
return 1;
}
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