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authorUlrich Drepper <drepper@redhat.com>2005-11-10 00:12:21 +0000
committerUlrich Drepper <drepper@redhat.com>2005-11-10 00:12:21 +0000
commit4973cbe599b0ddc97306eb8bb23bd2104c89a565 (patch)
treeefb1daac3e5f9e78859ff420722c824569d94fb8 /sysdeps/generic
parent9f1016c0df0dc9c548700619af7c33f882fc76ed (diff)
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* io/fcntl.h: Declare openat and openat64.
* io/Makefile (routines): Add openat and openat64. (tests): Add tst-openat. * io/Versions: Add openat and openat64 for GLIBC_2.4. * sysdeps/generic/openat.c: New file. * sysdeps/generic/openat64.c: New file. * sysdeps/unix/sysv/linux/openat.c: New file. * sysdeps/unix/sysv/linux/openat64.c: New file. * io/tst-openat.c: New file. * sysdeps/unix/sysv/linux/device-nrs.h: Add info for /dev/full.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/openat.c69
-rw-r--r--sysdeps/generic/openat64.c69
2 files changed, 138 insertions, 0 deletions
diff --git a/sysdeps/generic/openat.c b/sysdeps/generic/openat.c
new file mode 100644
index 0000000..b058bcb
--- /dev/null
+++ b/sysdeps/generic/openat.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2005 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Open FILE with access OFLAG. Interpret relative paths relative to
+ the directory associated with FD. If OFLAG includes O_CREAT, a
+ third argument is the file protection. */
+int
+openat (fd, file, oflag)
+ int fd;
+ const char *file;
+ int oflag;
+{
+ int mode;
+
+ if (file == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (file[0] != '/')
+ {
+ /* Check FD is associated with a directory. */
+ struct stat64 st;
+ if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+ return -1;
+
+ if (!S_ISDIR (st.st_mode))
+ {
+ __set_errno (ENOTDIR);
+ return -1;
+ }
+ }
+
+ if (oflag & O_CREAT)
+ {
+ va_list arg;
+ va_start (arg, oflag);
+ mode = va_arg (arg, int);
+ va_end (arg);
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (openat)
+
+#include <stub-tag.h>
diff --git a/sysdeps/generic/openat64.c b/sysdeps/generic/openat64.c
new file mode 100644
index 0000000..82575df
--- /dev/null
+++ b/sysdeps/generic/openat64.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2005 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+/* Open FILE with access OFLAG. Interpret relative paths relative to
+ the directory associated with FD. If OFLAG includes O_CREAT, a
+ third argument is the file protection. */
+int
+openat64 (fd, file, oflag)
+ int fd;
+ const char *file;
+ int oflag;
+{
+ int mode;
+
+ if (file == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (file[0] != '/')
+ {
+ /* Check FD is associated with a directory. */
+ struct stat64 st;
+ if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+ return -1;
+
+ if (!S_ISDIR (st.st_mode))
+ {
+ __set_errno (ENOTDIR);
+ return -1;
+ }
+ }
+
+ if (oflag & O_CREAT)
+ {
+ va_list arg;
+ va_start (arg, oflag);
+ mode = va_arg (arg, int);
+ va_end (arg);
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (openat64)
+
+#include <stub-tag.h>