diff options
Diffstat (limited to 'libc/sysdeps/linux/v850/ftruncate64.c')
| -rw-r--r-- | libc/sysdeps/linux/v850/ftruncate64.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/v850/ftruncate64.c b/libc/sysdeps/linux/v850/ftruncate64.c new file mode 100644 index 000000000..929332751 --- /dev/null +++ b/libc/sysdeps/linux/v850/ftruncate64.c @@ -0,0 +1,33 @@ +/* + * libc/sysdeps/linux/v850/ftruncate64.c -- `ftruncate64' syscall for linux/v850 + * + * Copyright (C) 2002 NEC Corporation + * Copyright (C) 2002 Miles Bader <miles@gnu.org> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + * Written by Miles Bader <miles@gnu.org> + */ + +#include <features.h> +#include <unistd.h> +#include <errno.h> +#include <sys/syscall.h> + +#ifdef __UCLIBC_HAVE_LFS__ + +/* A version of ftruncate64 that passes in the 64-bit length argument as two + 32-bit arguments, as required by system call interface on the v850. */ +#define __NR__ftruncate64 __NR_ftruncate64 +extern inline _syscall3 (int, _ftruncate64, + int, fd, unsigned long, len_lo, long, len_hi); + +/* The exported ftruncate64. */ +int ftruncate64 (int fd, __off64_t length) +{ + return _ftruncate64 (fd, (unsigned long)length, (long)(length >> 32)); +} + +#endif /* __UCLIBC_HAVE_LFS__ */ |