1 /* 2 * Copyright (C) 2005 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 #define LOG_TAG "misc" 18 19 // 20 // Miscellaneous utility functions. 21 // 22 #include <androidfw/misc.h> 23 24 #include <sys/stat.h> 25 #include <cstring> 26 #include <errno.h> 27 #include <cstdio> 28 29 using namespace android; 30 31 namespace android { 32 33 /* 34 * Get a file's type. 35 */ getFileType(const char * fileName)36FileType getFileType(const char* fileName) 37 { 38 struct stat sb; 39 40 if (stat(fileName, &sb) < 0) { 41 if (errno == ENOENT || errno == ENOTDIR) 42 return kFileTypeNonexistent; 43 else { 44 fprintf(stderr, "getFileType got errno=%d on '%s'\n", 45 errno, fileName); 46 return kFileTypeUnknown; 47 } 48 } else { 49 if (S_ISREG(sb.st_mode)) 50 return kFileTypeRegular; 51 else if (S_ISDIR(sb.st_mode)) 52 return kFileTypeDirectory; 53 else if (S_ISCHR(sb.st_mode)) 54 return kFileTypeCharDev; 55 else if (S_ISBLK(sb.st_mode)) 56 return kFileTypeBlockDev; 57 else if (S_ISFIFO(sb.st_mode)) 58 return kFileTypeFifo; 59 #if defined(S_ISLNK) 60 else if (S_ISLNK(sb.st_mode)) 61 return kFileTypeSymlink; 62 #endif 63 #if defined(S_ISSOCK) 64 else if (S_ISSOCK(sb.st_mode)) 65 return kFileTypeSocket; 66 #endif 67 else 68 return kFileTypeUnknown; 69 } 70 } 71 72 /* 73 * Get a file's modification date. 74 */ getFileModDate(const char * fileName)75time_t getFileModDate(const char* fileName) 76 { 77 struct stat sb; 78 79 if (stat(fileName, &sb) < 0) 80 return (time_t) -1; 81 82 return sb.st_mtime; 83 } 84 85 }; // namespace android 86