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Diffstat (limited to 'sysdeps/unix/sysv/linux/mknodat.c')
-rw-r--r--sysdeps/unix/sysv/linux/mknodat.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/mknodat.c b/sysdeps/unix/sysv/linux/mknodat.c
new file mode 100644
index 0000000..fdb8f19
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mknodat.c
@@ -0,0 +1,35 @@
+/* Create a special or ordinary file. Linux version.
+ Copyright (C) 2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library 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.
+
+ The GNU C Library 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 the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+int
+__mknodat (int fd, const char *path, mode_t mode, dev_t dev)
+{
+ /* The user-exported dev_t is 64-bit while the kernel interface is
+ 32-bit. */
+ unsigned int k_dev = dev;
+ if (k_dev != dev)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
+
+ return INLINE_SYSCALL_CALL (mknodat, fd, path, mode, k_dev);
+}
+libc_hidden_def (__mknodat)
+weak_alias (__mknodat, mknodat)