diff options
Diffstat (limited to 'gnulib/lib/areadlink.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/areadlink.c | 39 |
2 files changed, 39 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/areadlink.c b/gnulib/lib/areadlink.c new file mode 100644 index 0000000..6bf9a0c --- /dev/null +++ b/gnulib/lib/areadlink.c @@ -0,0 +1,39 @@ +/* areadlink.c -- readlink wrapper to return the link name in malloc'd storage + Unlike xreadlink and xreadlink_with_size, don't ever call exit. + + Copyright (C) 2001, 2003-2007, 2009-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Jim Meyering <jim@meyering.net> + and Bruno Haible <bruno@clisp.org>. */ + +#include <config.h> + +/* Specification. */ +#include "areadlink.h" + +#include "careadlinkat.h" + +/* Call readlink to get the symbolic link value of FILENAME. + Return a pointer to that NUL-terminated string in malloc'd storage. + If readlink fails, return NULL and set errno. + If allocation fails, or if the link value is longer than SIZE_MAX :-), + return NULL and set errno to ENOMEM. */ + +char * +areadlink (char const *filename) +{ + return careadlinkat (AT_FDCWD, filename, NULL, 0, NULL, careadlinkatcwd); +} |