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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [rdos/] [open.c] - Rev 207
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/*####################################################################### # RDOS operating system # Copyright (C) 1988-2006, Leif Ekblad # # This library is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published # by the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # # This library 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 Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # The author of this program may be contacted at leif@rdos.net # # open.c # open function implementation # ##########################################################################*/ #include "config.h" #include <_ansi.h> #include <_syslist.h> #include <fcntl.h> #include <errno.h> #include "rdos.h" #include <stdarg.h> int open(const char *file, int flags, ...) { int handle; int pos; if (flags & O_CREAT) handle = RdosCreateFile(file, flags); else handle = RdosOpenFile(file, flags); if (handle >= 0) { if (flags & O_APPEND) { pos = RdosGetFileSize(handle); RdosSetFilePos(handle, pos); } if (flags & O_TRUNC) RdosSetFileSize(handle, 0); return handle; } else return -1; }