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authorUlrich Drepper <drepper@redhat.com>2005-12-16 00:24:16 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-16 00:24:16 +0000
commit5c46041a9c8e0431f0b329a94becfc5d576d12cb (patch)
treef1674233067d582cc28ab1221c00660b8fb66a65 /io
parentfc30e8dafa2326ef5f5c05f032606635c329cc12 (diff)
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* sysdeps/unix/sysv/linux/renameat.c: Move errno setting code in
separate function __atfct_seterrno_2. * include/fcntl.h: Declare __atfct_seterrno_2. * posix/unistd.h: Declare linkat, symlinkat, readlinkat. * io/Makefile (routines): Add linkat, symlinkat, readlinkat. * io/Versions [GLIBC_2.4]: Export linkat, symlinkat, readlinkat. * io/linkat.c: New file. * io/readlinkat.c: New file. * io/symlinkat.c: New file. * sysdeps/unix/sysv/linux/linkat.c: New file. * sysdeps/unix/sysv/linux/readlinkat.c: New file. * sysdeps/unix/sysv/linux/symlinkat.c: New file.
Diffstat (limited to 'io')
-rw-r--r--io/Makefile2
-rw-r--r--io/Versions3
-rw-r--r--io/linkat.c51
-rw-r--r--io/readlinkat.c50
-rw-r--r--io/symlinkat.c49
5 files changed, 154 insertions, 1 deletions
diff --git a/io/Makefile b/io/Makefile
index 76e6072c4b..4731e24d24 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -45,7 +45,7 @@ routines := \
getcwd getwd getdirname \
chown fchown lchown fchownat \
ttyname ttyname_r isatty \
- link symlink readlink \
+ link linkat symlink symlinkat readlink readlinkat \
unlink unlinkat rmdir \
ftw ftw64 fts poll \
posix_fadvise posix_fadvise64 \
diff --git a/io/Versions b/io/Versions
index 05b9bfc185..2f0f94f3bb 100644
--- a/io/Versions
+++ b/io/Versions
@@ -100,8 +100,11 @@ libc {
GLIBC_2.4 {
fchownat;
__fxstatat; __fxstatat64;
+ linkat;
mkdirat; mkfifoat; __xmknodat;
openat; openat64;
+ readlinkat;
+ symlinkat;
unlinkat;
}
}
diff --git a/io/linkat.c b/io/linkat.c
new file mode 100644
index 0000000000..6420d50334
--- /dev/null
+++ b/io/linkat.c
@@ -0,0 +1,51 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Make a link to FROM relative to FROMFD called TO relative to TOFD. */
+int
+linkat (fromfd, from, tofd, to)
+ int fromfd;
+ const char *from;
+ int tofd;
+ const char *to;
+{
+ if (from == NULL || to == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')
+ || (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (linkat)
+
+#include <stub-tag.h>
diff --git a/io/readlinkat.c b/io/readlinkat.c
new file mode 100644
index 0000000000..c6a032c474
--- /dev/null
+++ b/io/readlinkat.c
@@ -0,0 +1,50 @@
+/* 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 <unistd.h>
+
+/* Read the contents of the symbolic link PATH relative to FD into no
+ more than LEN bytes of BUF. The contents are not null-terminated.
+ Returns the number of characters read, or -1 for errors. */
+int
+readlinkat (fd, path, buf, len)
+ int fd;
+ const char *path;
+ char *buf;
+ size_t len;
+{
+ if (path == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (fd != AT_FDCWD && fd < 0 && *path != '/')
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (readlinkat)
+
+#include <stub-tag.h>
diff --git a/io/symlinkat.c b/io/symlinkat.c
new file mode 100644
index 0000000000..5c2f3f553a
--- /dev/null
+++ b/io/symlinkat.c
@@ -0,0 +1,49 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Make a link to FROM called TO relative to FD. */
+int
+symlinkat (from, fd, to)
+ const char *from;
+ int fd;
+ const char *to;
+{
+ if (from == NULL || to == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (fd != AT_FDCWD && fd < 0 && *to != '/')
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (symlinkat)
+
+#include <stub-tag.h>