diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c new file mode 100644 index 0000000000..eb4a13ea4c --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c @@ -0,0 +1,45 @@ +/* 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 <sys/sendfile.h> +#include <errno.h> + +/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to + descriptor OUT_FD. */ +ssize_t +sendfile (int out_fd, int in_fd, off_t *offset, size_t count) +{ + __off64_t off64; + int rc; + + if (offset != NULL) + { + if (*offset < 0 || (off_t) (*offset + count) < 0) + { + __set_errno (EINVAL); + return -1; + } + off64 = *offset; + } + + rc = INLINE_SYSCALL (sendfile64, 4, out_fd, in_fd, + offset ? &off64 : NULL, count); + if (offset) + *offset = off64; + return rc; +} |