1/* Host support routines for MinGW, for GDB, the GNU debugger. 2 3 Copyright (C) 2006, 2007 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20#include "defs.h" 21 22#include "gdb_string.h" 23 24#include "gdb_select.h" 25 26/* The strerror() function can return NULL for errno values that are 27 out of range. Provide a "safe" version that always returns a 28 printable string. */ 29 30char * 31safe_strerror (int errnum) 32{ 33 char *msg; 34 35 msg = strerror (errnum); 36 if (msg == NULL) 37 { 38 static char buf[32]; 39 xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum); 40 msg = buf; 41 } 42 return (msg); 43} 44 45/* Wrapper for select. Nothing special needed on POSIX platforms. */ 46 47int 48gdb_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, 49 struct timeval *timeout) 50{ 51 return select (n, readfds, writefds, exceptfds, timeout); 52} 53