/*
- * $Id: common.c,v 1.1 1999/01/22 21:04:50 mj Exp $
+ * The PCI Utilities -- Common Functions
*
- * Linux PCI Utilities -- Common Functions
- *
- * Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ * Copyright (c) 1997--2016 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "pciutils.h"
-void __attribute__((noreturn))
+void NONRET
die(char *msg, ...)
{
va_list args;
va_start(args, msg);
- fputs("lspci: ", stderr);
+ fprintf(stderr, "%s: ", program_name);
vfprintf(stderr, msg, args);
fputc('\n', stderr);
exit(1);
}
void *
-xmalloc(unsigned int howmuch)
+xmalloc(size_t howmuch)
{
void *p = malloc(howmuch);
if (!p)
- die("Unable to allocate %d bytes of memory", howmuch);
+ die("Unable to allocate %d bytes of memory", (int) howmuch);
+ return p;
+}
+
+void *
+xrealloc(void *ptr, size_t howmuch)
+{
+ void *p = realloc(ptr, howmuch);
+ if (!p)
+ die("Unable to allocate %d bytes of memory", (int) howmuch);
return p;
}
+char *
+xstrdup(const char *str)
+{
+ int len = strlen(str) + 1;
+ char *copy = xmalloc(len);
+ memcpy(copy, str, len);
+ return copy;
+}
+
+static void
+set_pci_method(struct pci_access *pacc, char *arg)
+{
+ char *name;
+ int i;
+
+ if (!strcmp(arg, "help"))
+ {
+ printf("Known PCI access methods:\n\n");
+ for (i=0; name = pci_get_method_name(i); i++)
+ if (name[0])
+ printf("%s\n", name);
+ exit(0);
+ }
+ else
+ {
+ i = pci_lookup_method(arg);
+ if (i < 0)
+ die("No such PCI access method: %s (see `-A help' for a list)", arg);
+ pacc->method = i;
+ }
+}
+
+static void
+set_pci_option(struct pci_access *pacc, char *arg)
+{
+ if (!strcmp(arg, "help"))
+ {
+ struct pci_param *p;
+ printf("Known PCI access parameters:\n\n");
+ for (p=NULL; p=pci_walk_params(pacc, p);)
+ printf("%-20s %s (%s)\n", p->param, p->help, p->value);
+ exit(0);
+ }
+ else
+ {
+ char *sep = strchr(arg, '=');
+ if (!sep)
+ die("Invalid PCI access parameter syntax: %s", arg);
+ *sep++ = 0;
+ if (pci_set_param(pacc, arg, sep) < 0)
+ die("Unrecognized PCI access parameter: %s (see `-O help' for a list)", arg);
+ }
+}
+
int
-parse_generic_option(int i, struct pci_access *pacc, char *optarg)
+parse_generic_option(int i, struct pci_access *pacc, char *arg)
{
switch (i)
{
-#ifdef 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 HAVE_PM_INTEL_CONF
+#ifdef PCI_HAVE_PM_INTEL_CONF
case 'H':
- if (!strcmp(optarg, "1"))
+ if (!strcmp(arg, "1"))
pacc->method = PCI_ACCESS_I386_TYPE1;
- else if (!strcmp(optarg, "2"))
+ else if (!strcmp(arg, "2"))
pacc->method = PCI_ACCESS_I386_TYPE2;
else
- die("Unknown hardware configuration type %s", optarg);
+ die("Unknown hardware configuration type %s", arg);
break;
#endif
-#ifdef HAVE_PM_SYSCALLS
- case 'S':
- pacc->method = PCI_ACCESS_SYSCALLS;
- break;
-#endif
-#ifdef HAVE_PM_DUMP
+#ifdef PCI_HAVE_PM_DUMP
case 'F':
- pacc->method_params[PCI_ACCESS_DUMP] = optarg;
+ pci_set_param(pacc, "dump.name", arg);
pacc->method = PCI_ACCESS_DUMP;
break;
#endif
+ case 'A':
+ set_pci_method(pacc, arg);
+ break;
case 'G':
pacc->debugging++;
break;
+ case 'O':
+ set_pci_option(pacc, arg);
+ break;
default:
return 0;
}