diff options
Diffstat (limited to 'sysdeps/posix/preadv64v2.c')
-rw-r--r-- | sysdeps/posix/preadv64v2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/posix/preadv64v2.c b/sysdeps/posix/preadv64v2.c new file mode 100644 index 0000000000..f89ad08c54 --- /dev/null +++ b/sysdeps/posix/preadv64v2.c @@ -0,0 +1,41 @@ +/* Generic version of preadv2. + Copyright (C) 2017-2018 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 <errno.h> +#include <unistd.h> +#include <sys/uio.h> + +ssize_t +preadv64v2 (int fd, const struct iovec *vector, int count, off64_t offset, + int flags) +{ + if (flags != 0) + { + __set_errno (ENOTSUP); + return -1; + } + + if (offset == -1) + return __readv (fd, vector, count); + else + return preadv64 (fd, vector, count, offset); +} + +#ifdef __OFF_T_MATCHES_OFF64_T +strong_alias (preadv64v2, preadv2) +#endif |