tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / basic / memfd-util.c

diff --git a/src/basic/memfd-util.c b/src/basic/memfd-util.c
index fef163457e4fd24d45a28f8ea3153f6a55540eb9..c0d67ece9035d480e7cb13b58e9a9dfc79ef1a76 100644 (file)
--- a/src/basic/memfd-util.c
+++ b/src/basic/memfd-util.c
@@ -1,37 +1,26 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2013 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <stdio.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#if HAVE_LINUX_MEMFD_H
+#include <linux/memfd.h>
+#endif
+#include <stdio.h>
 #include <sys/mman.h>
 #include <sys/prctl.h>
 
-#ifdef HAVE_LINUX_MEMFD_H
-#  include <linux/memfd.h>
-#endif
-
-#include "util.h"
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "macro.h"
 #include "memfd-util.h"
-#include "utf8.h"
 #include "missing.h"
+#include "string-util.h"
+#include "utf8.h"
 
 int memfd_new(const char *name) {
         _cleanup_free_ char *g = NULL;
@@ -70,8 +59,7 @@ int memfd_new(const char *name) {
         return fd;
 }
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
 int memfd_map(int fd, uint64_t offset, size_t size, void **p) {
         void *q;
         int sealed;
@@ -109,6 +97,7 @@ int memfd_set_sealed(int fd) {
         return 0;
 }
 
+#if 0 /// UNNEEDED by elogind
 int memfd_get_sealed(int fd) {
         int r;
 
@@ -120,9 +109,8 @@ int memfd_get_sealed(int fd) {
 
         return r == (F_SEAL_SHRINK | F_SEAL_GROW | F_SEAL_WRITE | F_SEAL_SEAL);
 }
+#endif // 0
 
-/// UNNEEDED by elogind
-#if 0
 int memfd_get_size(int fd, uint64_t *sz) {
         struct stat stat;
         int r;
@@ -137,7 +125,6 @@ int memfd_get_size(int fd, uint64_t *sz) {
         *sz = stat.st_size;
         return 0;
 }
-#endif // 0
 
 int memfd_set_size(int fd, uint64_t sz) {
         int r;
@@ -151,8 +138,7 @@ int memfd_set_size(int fd, uint64_t sz) {
         return 0;
 }
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
 int memfd_new_and_map(const char *name, size_t sz, void **p) {
         _cleanup_close_ int fd = -1;
         int r;
@@ -172,9 +158,6 @@ int memfd_new_and_map(const char *name, size_t sz, void **p) {
         if (r < 0)
                 return r;
 
-        r = fd;
-        fd = -1;
-
-        return r;
+        return TAKE_FD(fd);
 }
 #endif // 0