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author | Roland McGrath <roland@hack.frob.com> | 2015-04-17 09:02:19 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2015-04-17 09:02:19 -0700 |
commit | d1e44df1fa5fefd8a083f6c1e909bbcdc97c6438 (patch) | |
tree | a76176eca62c0907dd7f135979312c8e55ad06a5 /sysdeps/nacl/getcwd.c | |
parent | f70925993ada98039250d46c62fb89c168b8f9d6 (diff) | |
download | glibc-d1e44df1fa5fefd8a083f6c1e909bbcdc97c6438.tar.gz glibc-d1e44df1fa5fefd8a083f6c1e909bbcdc97c6438.tar.xz glibc-d1e44df1fa5fefd8a083f6c1e909bbcdc97c6438.zip |
Add arm-nacl port.
Diffstat (limited to 'sysdeps/nacl/getcwd.c')
-rw-r--r-- | sysdeps/nacl/getcwd.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sysdeps/nacl/getcwd.c b/sysdeps/nacl/getcwd.c new file mode 100644 index 0000000000..ba7e49a036 --- /dev/null +++ b/sysdeps/nacl/getcwd.c @@ -0,0 +1,56 @@ +/* Get current working directory. NaCl version. + Copyright (C) 2015 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 + <http://www.gnu.org/licenses/>. */ + +#include <unistd.h> +#include <limits.h> +#include <stdlib.h> +#include <nacl-interfaces.h> + +/* Get the pathname of the current working directory, + and put it in SIZE bytes of BUF. Returns NULL if the + directory couldn't be determined or SIZE was too small. + If successful, returns BUF. In GNU, if BUF is NULL, + an array is allocated with `malloc'; the array is SIZE + bytes long, unless SIZE <= 0, in which case it is as + big as necessary. */ +char * +__getcwd (char *buf, size_t size) +{ + char *use_buf = buf; + + if (buf == NULL) + { + if (size == 0) + size = PATH_MAX; + use_buf = malloc (size); + if (__glibc_unlikely (use_buf == NULL)) + return NULL; + } + + int error = __nacl_irt_dev_filename.getcwd (use_buf, size); + if (__glibc_unlikely (error)) + { + if (use_buf != buf) + free (use_buf); + errno = error; + return NULL; + } + + return use_buf; +} +weak_alias (__getcwd, getcwd) |