From dfaaee33ba68372e374c14ec05fc8a76bdccdceb Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Tue, 3 Nov 2015 10:04:25 -0200 Subject: Consolidate Linux write syscall This patch consolidates the write Linux syscall implementation on sysdeps/unix/sysv/linux/write.c. Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32, arch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu. * include/unistd.h (write): Add hidden proto. * io/Makefile (CFLAGS-write.c): New rule. * nptl/Makefile (CFLAGS-write.c): Likewise. * sysdeps/unix/sysv/linux/write.c: New file. --- sysdeps/unix/sysv/linux/write.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/write.c (limited to 'sysdeps') diff --git a/sysdeps/unix/sysv/linux/write.c b/sysdeps/unix/sysv/linux/write.c new file mode 100644 index 0000000000..d49514502e --- /dev/null +++ b/sysdeps/unix/sysv/linux/write.c @@ -0,0 +1,33 @@ +/* Linux write syscall implementation. + Copyright (C) 2017 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 + . */ + +#include +#include + +/* Write NBYTES of BUF to FD. Return the number written, or -1. */ +ssize_t +__libc_write (int fd, const void *buf, size_t nbytes) +{ + return SYSCALL_CANCEL (write, fd, buf, nbytes); +} +libc_hidden_def (__libc_write) + +weak_alias (__libc_write, __write) +libc_hidden_weak (__write) +weak_alias (__libc_write, write) +libc_hidden_weak (write) -- cgit 1.4.1