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/* guestfish - the filesystem interactive shell
* Copyright (C) 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "fish.h"
int
run_display (const char *cmd, size_t argc, char *argv[])
{
TMP_TEMPLATE_ON_STACK (filename);
char *remote;
const char *display;
char buf[256];
int r, fd;
if (argc != 1) {
fprintf (stderr, _("display filename\n"));
return -1;
}
/* Choose a display command. */
display = getenv ("GUESTFISH_DISPLAY_IMAGE");
if (display == NULL)
display = "display";
remote = argv[0];
/* Allow win:... prefix on remote. */
remote = win_prefix (remote);
if (remote == NULL)
return -1;
/* Download the file and write it to a temporary. */
fd = mkstemp (filename);
if (fd == -1) {
perror ("mkstemp");
free (remote);
return -1;
}
snprintf (buf, sizeof buf, "/dev/fd/%d", fd);
if (guestfs_download (g, remote, buf) == -1) {
close (fd);
unlink (filename);
free (remote);
return -1;
}
if (close (fd) == -1) {
perror (filename);
unlink (filename);
free (remote);
return -1;
}
/* View it. */
snprintf (buf, sizeof buf, "%s %s", display, filename);
r = system (buf);
unlink (filename);
if (r != 0) {
perror (buf);
free (remote);
return -1;
}
free (remote);
return 0;
}
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