diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/generic/readlink.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/generic/readlink.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/readlink.c b/sysdeps/unix/sysv/linux/generic/readlink.c new file mode 100644 index 0000000000..ee46c19611 --- /dev/null +++ b/sysdeps/unix/sysv/linux/generic/readlink.c @@ -0,0 +1,32 @@ +/* Copyright (C) 2011 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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 <unistd.h> +#include <fcntl.h> + +/* Read the contents of the symbolic link PATH into no more than + LEN bytes of BUF. The contents are not null-terminated. + Returns the number of characters read, or -1 for errors. */ +ssize_t +__readlink (const char *path, char *buf, size_t len) +{ + return INLINE_SYSCALL (readlinkat, 4, AT_FDCWD, path, buf, len); +} +weak_alias (__readlink, readlink) |