1/* 2 * Copyright 2012, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <unistd.h> 18#include <fcntl.h> 19#include <stdarg.h> 20#include <fcntl_portable.h> 21 22 23static inline int x86_change_flags(int flags) 24{ 25 int x86flags = flags & O_ACCMODE_PORTABLE; 26 if (flags & O_CREAT_PORTABLE) 27 x86flags |= O_CREAT; 28 if (flags & O_EXCL_PORTABLE) 29 x86flags |= O_EXCL; 30 if (flags & O_NOCTTY_PORTABLE) 31 x86flags |= O_NOCTTY; 32 if (flags & O_TRUNC_PORTABLE) 33 x86flags |= O_TRUNC; 34 if (flags & O_APPEND_PORTABLE) 35 x86flags |= O_APPEND; 36 if (flags & O_NONBLOCK_PORTABLE) 37 x86flags |= O_NONBLOCK; 38 if (flags & O_SYNC_PORTABLE) 39 x86flags |= O_SYNC; 40 if (flags & FASYNC_PORTABLE) 41 x86flags |= FASYNC; 42 if (flags & O_DIRECT_PORTABLE) 43 x86flags |= O_DIRECT; 44 if (flags & O_LARGEFILE_PORTABLE) 45 x86flags |= O_LARGEFILE; 46 if (flags & O_DIRECTORY_PORTABLE) 47 x86flags |= O_DIRECTORY; 48 if (flags & O_NOFOLLOW_PORTABLE) 49 x86flags |= O_NOFOLLOW; 50 if (flags & O_NOATIME_PORTABLE) 51 x86flags |= O_NOATIME; 52 if (flags & O_NDELAY_PORTABLE) 53 x86flags |= O_NDELAY; 54 55 return x86flags; 56} 57 58extern int __open(const char*, int, int); 59int open_portable(const char *pathname, int flags, ...) 60{ 61 mode_t mode = 0; 62 flags |= O_LARGEFILE; 63 64 if (flags & O_CREAT) 65 { 66 va_list args; 67 68 va_start(args, flags); 69 mode = (mode_t) va_arg(args, int); 70 va_end(args); 71 } 72 73 return __open(pathname, x86_change_flags(flags), mode); 74} 75