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📄 common.c

📁 The PCI Utilities package contains a library for portable access to PCI bus configuration registers
💻 C
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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 NONRETdie(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;}intparse_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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