ls-ecaps: extend decode support for more fields for AER CE and UE status

[thirdparty/pciutils.git] / common.c

diff --git a/common.c b/common.c
index 7e53157773dcfebacfc47428f647e0a9c3a0db67..748e5a4639d8580e10beb8c270356e14ad1b6be5 100644 (file)
--- a/common.c
+++ b/common.c
@@ -1,16 +1,17 @@
 /*
  *     The PCI Utilities -- Common Functions
  *
- *     Copyright (c) 1997--2006 Martin Mares <mj@ucw.cz>
+ *     Copyright (c) 1997--2016 Martin Mares <mj@ucw.cz>
  *
- *     Can be freely distributed and used under the terms of the GNU GPL.
+ *     Can be freely distributed and used under the terms of the GNU GPL v2+.
+ *
+ *     SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdarg.h>
-#include <unistd.h>
 
 #include "pciutils.h"
 
@@ -27,23 +28,55 @@ die(char *msg, ...)
 }
 
 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, unsigned int howmuch)
+xrealloc(void *ptr, size_t howmuch)
 {
   void *p = realloc(ptr, howmuch);
   if (!p)
-    die("Unable to allocate %d bytes of memory", howmuch);
+    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)
 {
@@ -62,42 +95,39 @@ set_pci_option(struct pci_access *pacc, char *arg)
        die("Invalid PCI access parameter syntax: %s", arg);
       *sep++ = 0;
       if (pci_set_param(pacc, arg, sep) < 0)
-       die("Unrecognized PCI access parameter: %s", arg);
+       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 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"))
+      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 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, optarg);
+      set_pci_option(pacc, arg);
       break;
     default:
       return 0;