1 /* Test the send() function. 2 Copyright (C) 2011-2021 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #include <config.h> 18 19 #include <sys/socket.h> 20 21 #include "signature.h" 22 SIGNATURE_CHECK (send, ssize_t, (int, const void *, size_t, int)); 23 24 #include <errno.h> 25 #include <unistd.h> 26 27 #include "sockets.h" 28 #include "macros.h" 29 30 int 31 main (void) /* */ 32 { 33 (void) gl_sockets_startup (SOCKETS_1_1); 34 35 /* Test behaviour for invalid file descriptors. */ 36 { 37 char byte = 'x'; 38 errno = 0; 39 ASSERT (send (-1, &byte, 1, 0) == -1); 40 ASSERT (errno == EBADF); 41 } 42 { 43 char byte = 'x'; 44 close (99); 45 errno = 0; 46 ASSERT (send (99, &byte, 1, 0) == -1); 47 ASSERT (errno == EBADF); 48 } 49 50 return 0; 51 }