From a852c9941054d2cb5e50964cb9ddb975b5d11689 Mon Sep 17 00:00:00 2001 From: Clement Leger Date: Thu, 18 Jun 2020 19:24:42 +0200 Subject: inet: add sockatmark implementation Import musl C sockatmark implementation into uClibc-ng. Signed-off-by: Clement Leger Acked-by: Yann Sionneau --- libc/inet/sockatmark.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libc/inet/sockatmark.c (limited to 'libc/inet/sockatmark.c') diff --git a/libc/inet/sockatmark.c b/libc/inet/sockatmark.c new file mode 100644 index 000000000..6c6e29422 --- /dev/null +++ b/libc/inet/sockatmark.c @@ -0,0 +1,38 @@ +/* + * Copyright © 2005-2020 Rich Felker, et al. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Imported from musl C library + */ + +#include +#include + +/* Determine whether socket is at a out-of-band mark. */ +int sockatmark(int fd) +{ + int ret; + + if (ioctl(fd, SIOCATMARK, &ret) < 0) + return -1; + + return ret; +} -- cgit v1.2.3