diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c new file mode 100644 index 0000000000..27ddb1bd02 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/truncate64.c @@ -0,0 +1,31 @@ +/* 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <sys/types.h> +#include <unistd.h> + +/* Truncate the file PATH to LENGTH bytes. */ +int +truncate64 (const char *path, off64_t length) +{ + unsigned int low = length & 0xffffffff; + unsigned int high = length >> 32; + return INLINE_SYSCALL (truncate64, __ALIGNMENT_COUNT (3, 4), path, + __ALIGNMENT_ARG __LONG_LONG_PAIR (high, low)); +} |