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Diffstat (limited to 'src/util/gnunet-qr-utils.h')
-rw-r--r--src/util/gnunet-qr-utils.h111
1 files changed, 0 insertions, 111 deletions
diff --git a/src/util/gnunet-qr-utils.h b/src/util/gnunet-qr-utils.h
deleted file mode 100644
index 6d821633c..000000000
--- a/src/util/gnunet-qr-utils.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- This file is part of GNUnet.
- Copyright (C) 2010, 2011, 2012 Christian Grothoff
- Copyright (C) 2019 GNUnet e.V.
-
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- GNUnet 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
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- SPDX-License-Identifier: AGPL3.0-or-later
-*/
-
-#include "platform.h"
-
-//
-// FIXME: These functions are copied from dns/gnunet-helper-dns.c,
-// move them into a common library. Or think about implementing a even
-// more elaborate version.
-//
-
-/**
- * Open '/dev/null' and make the result the given
- * file descriptor.
- *
- * @param target_fd desired FD to point to /dev/null
- * @param flags open flags (O_RDONLY, O_WRONLY)
- */
-static void
-open_dev_null (int target_fd,
- int flags)
-{
- int fd;
-
- fd = open ("/dev/null", flags);
- if (-1 == fd)
- abort ();
- if (fd == target_fd)
- return;
- if (-1 == dup2 (fd, target_fd))
- {
- (void) close (fd);
- abort ();
- }
- (void) close (fd);
-}
-
-/**
- * Run the given command and wait for it to complete.
- *
- * @param file name of the binary to run
- * @param cmd command line arguments (as given to 'execv')
- * @return 0 on success, 1 on any error
- */
-static int
-fork_and_exec (const char *file,
- char *const cmd[])
-{
- int status;
- pid_t pid;
- pid_t ret;
-
- pid = fork ();
- if (-1 == pid)
- {
- fprintf (stderr,
- "fork failed: %s\n",
- strerror (errno));
- return 1;
- }
- if (0 == pid)
- {
- /* we are the child process */
- /* close stdin/stdout to not cause interference
- with the helper's main protocol! */
- (void) close (0);
- open_dev_null (0, O_RDONLY);
- (void) close (1);
- open_dev_null (1, O_WRONLY);
- (void) execv (file, cmd);
- /* can only get here on error */
- fprintf (stderr,
- "exec `%s' failed: %s\n",
- file,
- strerror (errno));
- _exit (1);
- }
- /* keep running waitpid as long as the only error we get is 'EINTR' */
- while ( (-1 == (ret = waitpid (pid, &status, 0))) &&
- (errno == EINTR) );
- if (-1 == ret)
- {
- fprintf (stderr,
- "waitpid failed: %s\n",
- strerror (errno));
- return 1;
- }
- if (! (WIFEXITED (status) && (0 == WEXITSTATUS (status))))
- return 1;
- /* child process completed and returned success, we're happy */
- return 0;
-}
-