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 #ifndef _STAT_PORTABLE_H_ 18 #define _STAT_PORTABLE_H_ 19 20 #include <sys/stat.h> 21 #include <string.h> 22 23 #ifdef __LP64__ 24 25 #define __STAT64_BODY_PORTABLE \ 26 unsigned long st_dev; \ 27 unsigned long st_ino; \ 28 unsigned int st_mode; \ 29 unsigned int st_nlink; \ 30 uid_t st_uid; \ 31 gid_t st_gid; \ 32 unsigned long st_rdev; \ 33 unsigned long __pad1; \ 34 long st_size; \ 35 int st_blksize; \ 36 int __pad2; \ 37 long st_blocks; \ 38 long st_atime; \ 39 unsigned long st_atime_nsec; \ 40 long st_mtime; \ 41 unsigned long st_mtime_nsec; \ 42 long st_ctime; \ 43 unsigned long st_ctime_nsec; \ 44 unsigned int __unused4; \ 45 unsigned int __unused5; \ 46 unsigned long __unused_for_largest_size; \ 47 48 49 struct stat_portable { __STAT64_BODY_PORTABLE }; 50 struct stat64_portable { __STAT64_BODY_PORTABLE }; 51 52 static inline 53 void stat_ntop(struct stat *n_stat, struct stat_portable *p_stat) 54 { 55 memset(p_stat, '\0', sizeof(struct stat_portable)); 56 p_stat->st_dev = n_stat->st_dev; 57 p_stat->st_ino = n_stat->st_ino; 58 p_stat->st_mode = n_stat->st_mode; 59 p_stat->st_nlink = n_stat->st_nlink; 60 p_stat->st_uid = n_stat->st_uid; 61 p_stat->st_gid = n_stat->st_gid; 62 p_stat->st_rdev = n_stat->st_rdev; 63 p_stat->st_size = n_stat->st_size; 64 p_stat->st_blksize = n_stat->st_blksize; 65 p_stat->st_blocks = n_stat->st_blocks; 66 p_stat->st_atime = n_stat->st_atime; 67 p_stat->st_atime_nsec = n_stat->st_atime_nsec; 68 p_stat->st_mtime = n_stat->st_mtime; 69 p_stat->st_mtime_nsec = n_stat->st_mtime_nsec; 70 p_stat->st_ctime = n_stat->st_ctime; 71 p_stat->st_ctime_nsec = n_stat->st_ctime_nsec; 72 } 73 74 #else // ! __LP64__ 75 76 /* It's easy to change kernel to support stat */ 77 struct stat_portable { 78 unsigned long long st_dev; 79 unsigned char __pad0[4]; 80 81 unsigned long __st_ino; 82 unsigned int st_mode; 83 unsigned int st_nlink; 84 85 unsigned long st_uid; 86 unsigned long st_gid; 87 88 unsigned long long st_rdev; 89 unsigned char __pad3[4]; 90 91 unsigned char __pad4[4]; 92 long long st_size; 93 unsigned long st_blksize; 94 unsigned char __pad5[4]; 95 unsigned long long st_blocks; 96 97 unsigned long st_atime; 98 unsigned long st_atime_nsec; 99 100 unsigned long st_mtime; 101 unsigned long st_mtime_nsec; 102 103 unsigned long st_ctime; 104 unsigned long st_ctime_nsec; 105 106 unsigned long long st_ino; 107 }; 108 109 /* 110 The X86 Version is 111 struct stat { 112 unsigned long long st_dev; 113 unsigned char __pad0[4]; 114 115 unsigned long __st_ino; 116 unsigned int st_mode; 117 unsigned int st_nlink; 118 119 unsigned long st_uid; 120 unsigned long st_gid; 121 122 unsigned long long st_rdev; 123 unsigned char __pad3[4]; 124 125 long long st_size; 126 unsigned long st_blksize; 127 unsigned long long st_blocks; 128 129 unsigned long st_atime; 130 unsigned long st_atime_nsec; 131 132 unsigned long st_mtime; 133 unsigned long st_mtime_nsec; 134 135 unsigned long st_ctime; 136 unsigned long st_ctime_nsec; 137 138 unsigned long long st_ino; 139 }; 140 */ 141 142 /* 143 The MIPS Version is 144 struct stat { 145 unsigned long st_dev; 146 unsigned long __pad0[3]; 147 148 unsigned long long st_ino; 149 150 unsigned int st_mode; 151 unsigned int st_nlink; 152 153 unsigned long st_uid; 154 unsigned long st_gid; 155 156 unsigned long st_rdev; 157 unsigned long __pad1[3]; 158 159 long long st_size; 160 161 unsigned long st_atime; 162 unsigned long st_atime_nsec; 163 164 unsigned long st_mtime; 165 unsigned long st_mtime_nsec; 166 167 unsigned long st_ctime; 168 unsigned long st_ctime_nsec; 169 170 unsigned long st_blksize; 171 unsigned long __pad2; 172 173 unsigned long long st_blocks; 174 }; 175 */ 176 177 static inline void stat_ntop(struct stat *n_stat, struct stat_portable *p_stat) 178 { 179 memset(p_stat, '\0', sizeof(struct stat_portable)); 180 p_stat->st_dev = n_stat->st_dev; 181 #if defined(__mips__) 182 /* MIPS doesn't have __st_ino */ 183 p_stat->__st_ino = 0; 184 #else 185 p_stat->__st_ino = n_stat->__st_ino; 186 #endif 187 p_stat->st_mode = n_stat->st_mode; 188 p_stat->st_nlink = n_stat->st_nlink; 189 p_stat->st_uid = n_stat->st_uid; 190 p_stat->st_gid = n_stat->st_gid; 191 p_stat->st_rdev = n_stat->st_rdev; 192 p_stat->st_size = n_stat->st_size; 193 p_stat->st_blksize = n_stat->st_blksize; 194 p_stat->st_blocks = n_stat->st_blocks; 195 p_stat->st_atime = n_stat->st_atime; 196 p_stat->st_atime_nsec = n_stat->st_atime_nsec; 197 p_stat->st_mtime = n_stat->st_mtime; 198 p_stat->st_mtime_nsec = n_stat->st_mtime_nsec; 199 p_stat->st_ctime = n_stat->st_ctime; 200 p_stat->st_ctime_nsec = n_stat->st_ctime_nsec; 201 p_stat->st_ino = n_stat->st_ino; 202 } 203 204 #endif // __LP64__ 205 206 #endif /* _STAT_PORTABLE_H */ 207
