Benny Prijono | 9033e31 | 2005-11-21 02:08:39 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pj/file_access.h> |
| 20 | #include <pj/assert.h> |
| 21 | #include <pj/errno.h> |
| 22 | #include <windows.h> |
| 23 | #include <time.h> |
| 24 | |
| 25 | /* |
| 26 | * pj_file_exists() |
| 27 | */ |
| 28 | PJ_DEF(pj_bool_t) pj_file_exists(const char *filename) |
| 29 | { |
| 30 | HANDLE hFile; |
| 31 | |
| 32 | PJ_ASSERT_RETURN(filename != NULL, 0); |
| 33 | |
| 34 | hFile = CreateFile(filename, READ_CONTROL, FILE_SHARE_READ, NULL, |
| 35 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); |
| 36 | if (hFile == INVALID_HANDLE_VALUE) |
| 37 | return 0; |
| 38 | |
| 39 | CloseHandle(hFile); |
| 40 | return PJ_TRUE; |
| 41 | } |
| 42 | |
| 43 | |
| 44 | /* |
| 45 | * pj_file_size() |
| 46 | */ |
| 47 | PJ_DEF(pj_off_t) pj_file_size(const char *filename) |
| 48 | { |
| 49 | HANDLE hFile; |
| 50 | DWORD sizeLo, sizeHi; |
| 51 | pj_off_t size; |
| 52 | |
| 53 | PJ_ASSERT_RETURN(filename != NULL, -1); |
| 54 | |
| 55 | hFile = CreateFile(filename, READ_CONTROL, |
| 56 | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, |
| 57 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); |
| 58 | if (hFile == INVALID_HANDLE_VALUE) |
| 59 | return -1; |
| 60 | |
| 61 | sizeLo = GetFileSize(hFile, &sizeHi); |
| 62 | if (sizeLo == INVALID_FILE_SIZE) { |
| 63 | DWORD dwStatus = GetLastError(); |
| 64 | if (dwStatus != NO_ERROR) { |
| 65 | CloseHandle(hFile); |
| 66 | return -1; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | size = sizeHi; |
| 71 | size = (size << 32) + sizeLo; |
| 72 | |
| 73 | CloseHandle(hFile); |
| 74 | return size; |
| 75 | } |
| 76 | |
| 77 | |
| 78 | /* |
| 79 | * pj_file_delete() |
| 80 | */ |
| 81 | PJ_DEF(pj_status_t) pj_file_delete(const char *filename) |
| 82 | { |
| 83 | PJ_ASSERT_RETURN(filename != NULL, PJ_EINVAL); |
| 84 | |
| 85 | if (DeleteFile(filename) == FALSE) |
| 86 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 87 | |
| 88 | return PJ_SUCCESS; |
| 89 | } |
| 90 | |
| 91 | |
| 92 | /* |
| 93 | * pj_file_move() |
| 94 | */ |
| 95 | PJ_DEF(pj_status_t) pj_file_move( const char *oldname, const char *newname) |
| 96 | { |
| 97 | BOOL rc; |
| 98 | |
| 99 | PJ_ASSERT_RETURN(oldname!=NULL && newname!=NULL, PJ_EINVAL); |
| 100 | |
| 101 | #if PJ_WIN32_WINNT >= 0x0400 |
| 102 | rc = MoveFileEx(oldname, newname, |
| 103 | MOVEFILE_COPY_ALLOWED|MOVEFILE_REPLACE_EXISTING); |
| 104 | #else |
| 105 | rc = MoveFile(oldname, newname); |
| 106 | #endif |
| 107 | |
| 108 | if (!rc) |
| 109 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 110 | |
| 111 | return PJ_SUCCESS; |
| 112 | } |
| 113 | |
| 114 | |
| 115 | static pj_status_t file_time_to_time_val(const FILETIME *file_time, |
| 116 | pj_time_val *time_val) |
| 117 | { |
| 118 | SYSTEMTIME systemTime, localTime; |
| 119 | struct tm tm; |
| 120 | |
| 121 | if (!FileTimeToSystemTime(file_time, &systemTime)) |
| 122 | return -1; |
| 123 | |
| 124 | if (!SystemTimeToTzSpecificLocalTime(NULL, &systemTime, &localTime)) |
| 125 | return -1; |
| 126 | |
| 127 | memset(&tm, 0, sizeof(struct tm)); |
| 128 | tm.tm_year = localTime.wYear - 1900; |
| 129 | tm.tm_mon = localTime.wMonth - 1; |
| 130 | tm.tm_mday = localTime.wDay; |
| 131 | tm.tm_hour = localTime.wHour; |
| 132 | tm.tm_min = localTime.wMinute; |
| 133 | tm.tm_sec = localTime.wSecond; |
| 134 | tm.tm_isdst = 0; |
| 135 | |
| 136 | time_val->sec = mktime(&tm); |
| 137 | if (time_val->sec == (time_t)-1) |
| 138 | return -1; |
| 139 | |
| 140 | time_val->msec = localTime.wMilliseconds; |
| 141 | |
| 142 | return PJ_SUCCESS; |
| 143 | } |
| 144 | |
| 145 | /* |
| 146 | * pj_file_getstat() |
| 147 | */ |
| 148 | PJ_DEF(pj_status_t) pj_file_getstat(const char *filename, pj_file_stat *stat) |
| 149 | { |
| 150 | HANDLE hFile; |
| 151 | DWORD sizeLo, sizeHi; |
| 152 | FILETIME creationTime, accessTime, writeTime; |
| 153 | |
| 154 | PJ_ASSERT_RETURN(filename!=NULL && stat!=NULL, PJ_EINVAL); |
| 155 | |
| 156 | hFile = CreateFile(filename, READ_CONTROL, FILE_SHARE_READ, NULL, |
| 157 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); |
| 158 | if (hFile == INVALID_HANDLE_VALUE) |
| 159 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 160 | |
| 161 | sizeLo = GetFileSize(hFile, &sizeHi); |
| 162 | if (sizeLo == INVALID_FILE_SIZE) { |
| 163 | DWORD dwStatus = GetLastError(); |
| 164 | if (dwStatus != NO_ERROR) { |
| 165 | CloseHandle(hFile); |
| 166 | return PJ_RETURN_OS_ERROR(dwStatus); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | stat->size = sizeHi; |
| 171 | stat->size = (stat->size << 32) + sizeLo; |
| 172 | |
| 173 | if (GetFileTime(hFile, &creationTime, &accessTime, &writeTime)==FALSE) { |
| 174 | DWORD dwStatus = GetLastError(); |
| 175 | CloseHandle(hFile); |
| 176 | return PJ_RETURN_OS_ERROR(dwStatus); |
| 177 | } |
| 178 | |
| 179 | CloseHandle(hFile); |
| 180 | |
| 181 | if (file_time_to_time_val(&creationTime, &stat->ctime) != PJ_SUCCESS) |
| 182 | return PJ_RETURN_OS_ERROR(GetLastError()); |
| 183 | |
| 184 | file_time_to_time_val(&accessTime, &stat->atime); |
| 185 | file_time_to_time_val(&writeTime, &stat->mtime); |
| 186 | |
| 187 | return PJ_SUCCESS; |
| 188 | } |
| 189 | |