| 1 | /* iowin32.c -- IO base function header for compress/uncompress .zip |
| 2 | Version 1.1, February 14h, 2010 |
| 3 | part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) |
| 4 | |
| 5 | Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) |
| 6 | |
| 7 | Modifications for Zip64 support |
| 8 | Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) |
| 9 | |
| 10 | For more info read MiniZip_info.txt |
| 11 | |
| 12 | */ |
| 13 | |
| 14 | #include <stdlib.h> |
| 15 | |
| 16 | #include "zlib.h" |
| 17 | #include "ioapi.h" |
| 18 | #include "iowin32.h" |
| 19 | |
| 20 | #ifndef INVALID_HANDLE_VALUE |
| 21 | #define INVALID_HANDLE_VALUE (0xFFFFFFFF) |
| 22 | #endif |
| 23 | |
| 24 | #ifndef INVALID_SET_FILE_POINTER |
| 25 | #define INVALID_SET_FILE_POINTER ((DWORD)-1) |
| 26 | #endif |
| 27 | |
| 28 | |
| 29 | // see Include/shared/winapifamily.h in the Windows Kit |
| 30 | #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) |
| 31 | |
| 32 | #if !defined(WINAPI_FAMILY_ONE_PARTITION) |
| 33 | #define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition) |
| 34 | #endif |
| 35 | |
| 36 | #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) |
| 37 | #define IOWIN32_USING_WINRT_API 1 |
| 38 | #endif |
| 39 | #endif |
| 40 | |
| 41 | typedef struct |
| 42 | { |
| 43 | HANDLE hf; |
| 44 | int error; |
| 45 | } WIN32FILE_IOWIN; |
| 46 | |
| 47 | |
| 48 | static void win32_translate_open_mode(int mode, |
| 49 | DWORD* lpdwDesiredAccess, |
| 50 | DWORD* lpdwCreationDisposition, |
| 51 | DWORD* lpdwShareMode, |
| 52 | DWORD* lpdwFlagsAndAttributes) { |
| 53 | *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; |
| 54 | |
| 55 | if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) |
| 56 | { |
| 57 | *lpdwDesiredAccess = GENERIC_READ; |
| 58 | *lpdwCreationDisposition = OPEN_EXISTING; |
| 59 | *lpdwShareMode = FILE_SHARE_READ; |
| 60 | } |
| 61 | else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) |
| 62 | { |
| 63 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
| 64 | *lpdwCreationDisposition = OPEN_EXISTING; |
| 65 | } |
| 66 | else if (mode & ZLIB_FILEFUNC_MODE_CREATE) |
| 67 | { |
| 68 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
| 69 | *lpdwCreationDisposition = CREATE_ALWAYS; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | static voidpf win32_build_iowin(HANDLE hFile) { |
| 74 | voidpf ret=NULL; |
| 75 | |
| 76 | if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) |
| 77 | { |
| 78 | WIN32FILE_IOWIN w32fiow; |
| 79 | w32fiow.hf = hFile; |
| 80 | w32fiow.error = 0; |
| 81 | ret = malloc(sizeof(WIN32FILE_IOWIN)); |
| 82 | |
| 83 | if (ret==NULL) |
| 84 | CloseHandle(hFile); |
| 85 | else |
| 86 | *((WIN32FILE_IOWIN*)ret) = w32fiow; |
| 87 | } |
| 88 | return ret; |
| 89 | } |
| 90 | |
| 91 | voidpf ZCALLBACK win32_open64_file_func(voidpf opaque, const void* filename, int mode) { |
| 92 | const char* mode_fopen = NULL; |
| 93 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 94 | HANDLE hFile = NULL; |
| 95 | |
| 96 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 97 | |
| 98 | #ifdef IOWIN32_USING_WINRT_API |
| 99 | #ifdef UNICODE |
| 100 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 101 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 102 | #else |
| 103 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 104 | { |
| 105 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
| 106 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
| 107 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 108 | } |
| 109 | #endif |
| 110 | #else |
| 111 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 112 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 113 | #endif |
| 114 | |
| 115 | return win32_build_iowin(hFile); |
| 116 | } |
| 117 | |
| 118 | |
| 119 | voidpf ZCALLBACK win32_open64_file_funcA(voidpf opaque, const void* filename, int mode) { |
| 120 | const char* mode_fopen = NULL; |
| 121 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 122 | HANDLE hFile = NULL; |
| 123 | |
| 124 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 125 | |
| 126 | #ifdef IOWIN32_USING_WINRT_API |
| 127 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 128 | { |
| 129 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
| 130 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
| 131 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 132 | } |
| 133 | #else |
| 134 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 135 | hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 136 | #endif |
| 137 | |
| 138 | return win32_build_iowin(hFile); |
| 139 | } |
| 140 | |
| 141 | |
| 142 | voidpf ZCALLBACK win32_open64_file_funcW(voidpf opaque, const void* filename, int mode) { |
| 143 | const char* mode_fopen = NULL; |
| 144 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 145 | HANDLE hFile = NULL; |
| 146 | |
| 147 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 148 | |
| 149 | #ifdef IOWIN32_USING_WINRT_API |
| 150 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 151 | hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); |
| 152 | #else |
| 153 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 154 | hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 155 | #endif |
| 156 | |
| 157 | return win32_build_iowin(hFile); |
| 158 | } |
| 159 | |
| 160 | |
| 161 | voidpf ZCALLBACK win32_open_file_func(voidpf opaque, const char* filename, int mode) { |
| 162 | const char* mode_fopen = NULL; |
| 163 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 164 | HANDLE hFile = NULL; |
| 165 | |
| 166 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 167 | |
| 168 | #ifdef IOWIN32_USING_WINRT_API |
| 169 | #ifdef UNICODE |
| 170 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 171 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 172 | #else |
| 173 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 174 | { |
| 175 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
| 176 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
| 177 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 178 | } |
| 179 | #endif |
| 180 | #else |
| 181 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 182 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 183 | #endif |
| 184 | |
| 185 | return win32_build_iowin(hFile); |
| 186 | } |
| 187 | |
| 188 | |
| 189 | uLong ZCALLBACK win32_read_file_func(voidpf opaque, voidpf stream, void* buf,uLong size) { |
| 190 | uLong ret=0; |
| 191 | HANDLE hFile = NULL; |
| 192 | if (stream!=NULL) |
| 193 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 194 | |
| 195 | if (hFile != NULL) |
| 196 | { |
| 197 | if (!ReadFile(hFile, buf, size, &ret, NULL)) |
| 198 | { |
| 199 | DWORD dwErr = GetLastError(); |
| 200 | if (dwErr == ERROR_HANDLE_EOF) |
| 201 | dwErr = 0; |
| 202 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | return ret; |
| 207 | } |
| 208 | |
| 209 | |
| 210 | uLong ZCALLBACK win32_write_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) { |
| 211 | uLong ret=0; |
| 212 | HANDLE hFile = NULL; |
| 213 | if (stream!=NULL) |
| 214 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 215 | |
| 216 | if (hFile != NULL) |
| 217 | { |
| 218 | if (!WriteFile(hFile, buf, size, &ret, NULL)) |
| 219 | { |
| 220 | DWORD dwErr = GetLastError(); |
| 221 | if (dwErr == ERROR_HANDLE_EOF) |
| 222 | dwErr = 0; |
| 223 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | return ret; |
| 228 | } |
| 229 | |
| 230 | static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) { |
| 231 | #ifdef IOWIN32_USING_WINRT_API |
| 232 | return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); |
| 233 | #else |
| 234 | LONG lHigh = pos.HighPart; |
| 235 | DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); |
| 236 | BOOL fOk = TRUE; |
| 237 | if (dwNewPos == 0xFFFFFFFF) |
| 238 | if (GetLastError() != NO_ERROR) |
| 239 | fOk = FALSE; |
| 240 | if ((newPos != NULL) && (fOk)) |
| 241 | { |
| 242 | newPos->LowPart = dwNewPos; |
| 243 | newPos->HighPart = lHigh; |
| 244 | } |
| 245 | return fOk; |
| 246 | #endif |
| 247 | } |
| 248 | |
| 249 | long ZCALLBACK win32_tell_file_func(voidpf opaque, voidpf stream) { |
| 250 | long ret=-1; |
| 251 | HANDLE hFile = NULL; |
| 252 | if (stream!=NULL) |
| 253 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 254 | if (hFile != NULL) |
| 255 | { |
| 256 | LARGE_INTEGER pos; |
| 257 | pos.QuadPart = 0; |
| 258 | |
| 259 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
| 260 | { |
| 261 | DWORD dwErr = GetLastError(); |
| 262 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 263 | ret = -1; |
| 264 | } |
| 265 | else |
| 266 | ret=(long)pos.LowPart; |
| 267 | } |
| 268 | return ret; |
| 269 | } |
| 270 | |
| 271 | ZPOS64_T ZCALLBACK win32_tell64_file_func(voidpf opaque, voidpf stream) { |
| 272 | ZPOS64_T ret= (ZPOS64_T)-1; |
| 273 | HANDLE hFile = NULL; |
| 274 | if (stream!=NULL) |
| 275 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
| 276 | |
| 277 | if (hFile) |
| 278 | { |
| 279 | LARGE_INTEGER pos; |
| 280 | pos.QuadPart = 0; |
| 281 | |
| 282 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
| 283 | { |
| 284 | DWORD dwErr = GetLastError(); |
| 285 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 286 | ret = (ZPOS64_T)-1; |
| 287 | } |
| 288 | else |
| 289 | ret=pos.QuadPart; |
| 290 | } |
| 291 | return ret; |
| 292 | } |
| 293 | |
| 294 | |
| 295 | long ZCALLBACK win32_seek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) { |
| 296 | DWORD dwMoveMethod=0xFFFFFFFF; |
| 297 | HANDLE hFile = NULL; |
| 298 | |
| 299 | long ret=-1; |
| 300 | if (stream!=NULL) |
| 301 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 302 | switch (origin) |
| 303 | { |
| 304 | case ZLIB_FILEFUNC_SEEK_CUR : |
| 305 | dwMoveMethod = FILE_CURRENT; |
| 306 | break; |
| 307 | case ZLIB_FILEFUNC_SEEK_END : |
| 308 | dwMoveMethod = FILE_END; |
| 309 | break; |
| 310 | case ZLIB_FILEFUNC_SEEK_SET : |
| 311 | dwMoveMethod = FILE_BEGIN; |
| 312 | break; |
| 313 | default: return -1; |
| 314 | } |
| 315 | |
| 316 | if (hFile != NULL) |
| 317 | { |
| 318 | LARGE_INTEGER pos; |
| 319 | pos.QuadPart = offset; |
| 320 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
| 321 | { |
| 322 | DWORD dwErr = GetLastError(); |
| 323 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 324 | ret = -1; |
| 325 | } |
| 326 | else |
| 327 | ret=0; |
| 328 | } |
| 329 | return ret; |
| 330 | } |
| 331 | |
| 332 | long ZCALLBACK win32_seek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) { |
| 333 | DWORD dwMoveMethod=0xFFFFFFFF; |
| 334 | HANDLE hFile = NULL; |
| 335 | long ret=-1; |
| 336 | |
| 337 | if (stream!=NULL) |
| 338 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
| 339 | |
| 340 | switch (origin) |
| 341 | { |
| 342 | case ZLIB_FILEFUNC_SEEK_CUR : |
| 343 | dwMoveMethod = FILE_CURRENT; |
| 344 | break; |
| 345 | case ZLIB_FILEFUNC_SEEK_END : |
| 346 | dwMoveMethod = FILE_END; |
| 347 | break; |
| 348 | case ZLIB_FILEFUNC_SEEK_SET : |
| 349 | dwMoveMethod = FILE_BEGIN; |
| 350 | break; |
| 351 | default: return -1; |
| 352 | } |
| 353 | |
| 354 | if (hFile) |
| 355 | { |
| 356 | LARGE_INTEGER pos; |
| 357 | pos.QuadPart = offset; |
| 358 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
| 359 | { |
| 360 | DWORD dwErr = GetLastError(); |
| 361 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 362 | ret = -1; |
| 363 | } |
| 364 | else |
| 365 | ret=0; |
| 366 | } |
| 367 | return ret; |
| 368 | } |
| 369 | |
| 370 | int ZCALLBACK win32_close_file_func(voidpf opaque, voidpf stream) { |
| 371 | int ret=-1; |
| 372 | |
| 373 | if (stream!=NULL) |
| 374 | { |
| 375 | HANDLE hFile; |
| 376 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 377 | if (hFile != NULL) |
| 378 | { |
| 379 | CloseHandle(hFile); |
| 380 | ret=0; |
| 381 | } |
| 382 | free(stream); |
| 383 | } |
| 384 | return ret; |
| 385 | } |
| 386 | |
| 387 | int ZCALLBACK win32_error_file_func(voidpf opaque, voidpf stream) { |
| 388 | int ret=-1; |
| 389 | if (stream!=NULL) |
| 390 | { |
| 391 | ret = ((WIN32FILE_IOWIN*)stream) -> error; |
| 392 | } |
| 393 | return ret; |
| 394 | } |
| 395 | |
| 396 | void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def) { |
| 397 | pzlib_filefunc_def->zopen_file = win32_open_file_func; |
| 398 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 399 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 400 | pzlib_filefunc_def->ztell_file = win32_tell_file_func; |
| 401 | pzlib_filefunc_def->zseek_file = win32_seek_file_func; |
| 402 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 403 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 404 | pzlib_filefunc_def->opaque = NULL; |
| 405 | } |
| 406 | |
| 407 | void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) { |
| 408 | pzlib_filefunc_def->zopen64_file = win32_open64_file_func; |
| 409 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 410 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 411 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
| 412 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
| 413 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 414 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 415 | pzlib_filefunc_def->opaque = NULL; |
| 416 | } |
| 417 | |
| 418 | |
| 419 | void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) { |
| 420 | pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; |
| 421 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 422 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 423 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
| 424 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
| 425 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 426 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 427 | pzlib_filefunc_def->opaque = NULL; |
| 428 | } |
| 429 | |
| 430 | |
| 431 | void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) { |
| 432 | pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; |
| 433 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 434 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 435 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
| 436 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
| 437 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 438 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 439 | pzlib_filefunc_def->opaque = NULL; |
| 440 | } |