Version 1.11.17.

[libguestfs.git] / cat / virt-cat.c

diff --git a/cat/virt-cat.c b/cat/virt-cat.c
index 58ebd8e..06bd8b1 100644 (file)
--- a/cat/virt-cat.c
+++ b/cat/virt-cat.c
@@ -1,5 +1,5 @@
 /* virt-cat
- * Copyright (C) 2010 Red Hat Inc.
+ * Copyright (C) 2010-2011 Red Hat Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,10 +20,13 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <inttypes.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <locale.h>
 #include <assert.h>
+#include <libintl.h>
 
 #include "progname.h"
 
@@ -34,6 +37,7 @@
 guestfs_h *g;
 
 int read_only = 1;
+int live = 0;
 int verbose = 0;
 int keys_from_stdin = 0;
 int echo_keys = 0;
@@ -69,7 +73,7 @@ usage (int status)
              "  --keys-from-stdin    Read passphrases from stdin\n"
              "  -v|--verbose         Verbose messages\n"
              "  -V|--version         Display version and exit\n"
-             "  -x                   Echo each command before executing it\n"
+             "  -x                   Trace libguestfs API calls\n"
              "For more information, see the manpage %s(1).\n"),
              program_name, program_name, program_name,
              program_name);
@@ -104,11 +108,9 @@ main (int argc, char *argv[])
   };
   struct drv *drvs = NULL;
   struct drv *drv;
-  char *p, *file = NULL;
   const char *format = NULL;
   int c;
   int option_index;
-  int next_prepared_drive = 1;
 
   g = guestfs_create ();
   if (g == NULL) {
@@ -215,11 +217,16 @@ main (int argc, char *argv[])
    */
   assert (read_only == 1);
   assert (inspector == 1);
+  assert (live == 0);
 
   /* User must specify at least one filename on the command line. */
   if (optind >= argc || argc - optind < 1)
     usage (EXIT_FAILURE);
 
+  /* User must have specified some drives. */
+  if (drvs == NULL)
+    usage (EXIT_FAILURE);
+
   /* Add drives, inspect and mount.  Note that inspector is always true,
    * and there is no -m option.
    */
@@ -233,13 +240,15 @@ main (int argc, char *argv[])
   /* Free up data structures, no longer needed after this point. */
   free_drives (drvs);
 
+  unsigned errors = 0;
+
   while (optind < argc) {
     if (guestfs_download (g, argv[optind], "/dev/stdout") == -1)
-      exit (EXIT_FAILURE);
+      errors++;
     optind++;
   }
 
   guestfs_close (g);
 
-  exit (EXIT_SUCCESS);
+  exit (errors == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }