diff options
Diffstat (limited to 'components/libc/compilers/dlib/syscall_write.c')
| -rw-r--r-- | components/libc/compilers/dlib/syscall_write.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/components/libc/compilers/dlib/syscall_write.c b/components/libc/compilers/dlib/syscall_write.c new file mode 100644 index 0000000000..a7140b9818 --- /dev/null +++ b/components/libc/compilers/dlib/syscall_write.c @@ -0,0 +1,62 @@ +/* + * File : syscall_write.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2015-01-28 Bernard first version + */ + +#include <rtthread.h> +#ifdef RT_USING_DFS +#include <dfs_posix.h> +#endif +#include <yfuns.h> + +#pragma module_name = "?__write" + +size_t __write(int handle, const unsigned char *buf, size_t len) +{ +#ifdef RT_USING_DFS + int size; +#endif + + if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR)) + { +#ifndef RT_USING_CONSOLE + return _LLIO_ERROR; +#else + rt_device_t console_device; + + console_device = rt_console_get_device(); + if (console_device != 0) rt_device_write(console_device, 0, buf, len); + + return len; +#endif + } + + if (handle == _LLIO_STDIN) return -1; + +#ifndef RT_USING_DFS + return _LLIO_ERROR; +#else + size = write(handle - _LLIO_STDERR - 1, buf, len); + return size; +#endif +} + |
