/* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc.
+ * Copyright (C) 2009-2010 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
int
optgroup_xz_available (void)
{
- int r = access ("/usr/bin/xz", X_OK);
- return r == 0;
+ return prog_exists ("xz");
}
/* Redirect errors from the tar command to the error file, then
err = errno;
r = cancel_receive ();
errno = err;
- if (r != -2) reply_with_perror ("asprintf");
+ reply_with_perror ("asprintf");
return -1;
}
err = errno;
r = cancel_receive ();
errno = err;
- if (r != -2) reply_with_perror ("%s", cmd);
+ reply_with_perror ("%s", cmd);
free (cmd);
return -1;
}
r = receive_file (write_cb, &fd);
if (r == -1) { /* write error */
- if (cancel_receive () != -2) {
- char *errstr = read_error_file ();
- reply_with_error ("write error on directory: %s: %s", dir, errstr);
- free (errstr);
- }
+ cancel_receive ();
+ char *errstr = read_error_file ();
+ reply_with_error ("write error on directory: %s: %s", dir, errstr);
+ free (errstr);
pclose (fp);
return -1;
}
if (r == -2) { /* cancellation from library */
+ /* This error is ignored by the library since it initiated the
+ * cancel. Nevertheless we must send an error reply here.
+ */
+ reply_with_error ("file upload cancelled");
pclose (fp);
- /* Do NOT send any error. */
return -1;
}
if (pclose (fp) != 0) {
if (r == -1) /* if r == 0, file transfer ended already */
r = cancel_receive ();
- if (r != -2) {
- char *errstr = read_error_file ();
- reply_with_error ("tar subcommand failed on directory: %s: %s",
- dir, errstr);
- free (errstr);
- }
+ char *errstr = read_error_file ();
+ reply_with_error ("tar subcommand failed on directory: %s: %s",
+ dir, errstr);
+ free (errstr);
return -1;
}