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 <fcntl.h> 18#include <stdarg.h> 19#include <fcntl_portable.h> 20 21extern int __fcntl64(int, int, void *); 22 23int fcntl_portable(int fd, int cmd, ...) 24{ 25 va_list ap; 26 void * arg; 27 28 va_start(ap, cmd); 29 arg = va_arg(ap, void *); 30 va_end(ap); 31 32 if (cmd == F_GETLK64 || 33 cmd == F_SETLK64 || 34 cmd == F_SETLKW64) { 35 struct flock64 x86_flock64; 36 int result = __fcntl64(fd, cmd, (void *) &x86_flock64); 37 38 struct flock64_portable * flock64 = (struct flock64_portable *) arg; 39 40 flock64->l_type = x86_flock64.l_type; 41 flock64->l_whence = x86_flock64.l_whence; 42 flock64->l_start = x86_flock64.l_start; 43 flock64->l_len = x86_flock64.l_len; 44 flock64->l_pid = x86_flock64.l_pid; 45 46 return result; 47 } 48 else { 49 return __fcntl64(fd, cmd, arg); 50 } 51} 52 53