1 /* Copyright (C) 2018-2020 Free Software Foundation, Inc. 2 Contributed by Jakub Jelinek <jakub@redhat.com>. 3 4 This file is part of the GNU Offloading and Multi Processing Library 5 (libgomp). 6 7 Libgomp is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 more details. 16 17 Under Section 7 of GPL version 3, you are granted additional 18 permissions described in the GCC Runtime Library Exception, version 19 3.1, as published by the Free Software Foundation. 20 21 You should have received a copy of the GNU General Public License and 22 a copy of the GCC Runtime Library Exception along with this program; 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 <http://www.gnu.org/licenses/>. */ 25 26 #include "libgomp.h" 27 #include <string.h> 28 #include <stdio.h> 29 #include <stdlib.h> 30 #ifdef HAVE_UNISTD_H 31 #include <unistd.h> 32 #endif 33 #ifdef HAVE_INTTYPES_H 34 # include <inttypes.h> /* For PRIx64. */ 35 #endif 36 #define WIN32_LEAN_AND_MEAN 37 #include <windows.h> 38 #include <errno.h> 39 40 static int 41 gomp_gethostname (char *name, size_t len) 42 { 43 /* On Win9x GetComputerName fails if the input size is less 44 than MAX_COMPUTERNAME_LENGTH + 1. */ 45 char buffer[MAX_COMPUTERNAME_LENGTH + 1]; 46 DWORD size = sizeof (buffer); 47 int ret = 0; 48 49 if (!GetComputerName (buffer, &size)) 50 return -1; 51 52 if ((size = strlen (buffer) + 1) > len) 53 { 54 errno = EINVAL; 55 /* Truncate as per POSIX spec. We do not NUL-terminate. */ 56 size = len; 57 ret = -1; 58 } 59 memcpy (name, buffer, (size_t) size); 60 61 return ret; 62 } 63 64 #undef gethostname 65 #define gethostname gomp_gethostname 66 #define HAVE_GETHOSTNAME 1 67 68 #include "../../affinity-fmt.c" 69