| 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 | voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode)); |
| 42 | uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); |
| 43 | uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); |
| 44 | ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream)); |
| 45 | long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); |
| 46 | int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream)); |
| 47 | int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream)); |
| 48 | |
| 49 | typedef struct |
| 50 | { |
| 51 | HANDLE hf; |
| 52 | int error; |
| 53 | } WIN32FILE_IOWIN; |
| 54 | |
| 55 | |
| 56 | static void win32_translate_open_mode(int mode, |
| 57 | DWORD* lpdwDesiredAccess, |
| 58 | DWORD* lpdwCreationDisposition, |
| 59 | DWORD* lpdwShareMode, |
| 60 | DWORD* lpdwFlagsAndAttributes) |
| 61 | { |
| 62 | *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; |
| 63 | |
| 64 | if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) |
| 65 | { |
| 66 | *lpdwDesiredAccess = GENERIC_READ; |
| 67 | *lpdwCreationDisposition = OPEN_EXISTING; |
| 68 | *lpdwShareMode = FILE_SHARE_READ; |
| 69 | } |
| 70 | else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) |
| 71 | { |
| 72 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
| 73 | *lpdwCreationDisposition = OPEN_EXISTING; |
| 74 | } |
| 75 | else if (mode & ZLIB_FILEFUNC_MODE_CREATE) |
| 76 | { |
| 77 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
| 78 | *lpdwCreationDisposition = CREATE_ALWAYS; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | static voidpf win32_build_iowin(HANDLE hFile) |
| 83 | { |
| 84 | voidpf ret=NULL; |
| 85 | |
| 86 | if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) |
| 87 | { |
| 88 | WIN32FILE_IOWIN w32fiow; |
| 89 | w32fiow.hf = hFile; |
| 90 | w32fiow.error = 0; |
| 91 | ret = malloc(sizeof(WIN32FILE_IOWIN)); |
| 92 | |
| 93 | if (ret==NULL) |
| 94 | CloseHandle(hFile); |
| 95 | else |
| 96 | *((WIN32FILE_IOWIN*)ret) = w32fiow; |
| 97 | } |
| 98 | return ret; |
| 99 | } |
| 100 | |
| 101 | voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode) |
| 102 | { |
| 103 | const char* mode_fopen = NULL; |
| 104 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 105 | HANDLE hFile = NULL; |
| 106 | |
| 107 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 108 | |
| 109 | #ifdef IOWIN32_USING_WINRT_API |
| 110 | #ifdef UNICODE |
| 111 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 112 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 113 | #else |
| 114 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 115 | { |
| 116 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
| 117 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
| 118 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 119 | } |
| 120 | #endif |
| 121 | #else |
| 122 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 123 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 124 | #endif |
| 125 | |
| 126 | return win32_build_iowin(hFile); |
| 127 | } |
| 128 | |
| 129 | |
| 130 | voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode) |
| 131 | { |
| 132 | const char* mode_fopen = NULL; |
| 133 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 134 | HANDLE hFile = NULL; |
| 135 | |
| 136 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 137 | |
| 138 | #ifdef IOWIN32_USING_WINRT_API |
| 139 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 140 | { |
| 141 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
| 142 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
| 143 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 144 | } |
| 145 | #else |
| 146 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 147 | hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 148 | #endif |
| 149 | |
| 150 | return win32_build_iowin(hFile); |
| 151 | } |
| 152 | |
| 153 | |
| 154 | voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode) |
| 155 | { |
| 156 | const char* mode_fopen = NULL; |
| 157 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 158 | HANDLE hFile = NULL; |
| 159 | |
| 160 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 161 | |
| 162 | #ifdef IOWIN32_USING_WINRT_API |
| 163 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 164 | hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); |
| 165 | #else |
| 166 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 167 | hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 168 | #endif |
| 169 | |
| 170 | return win32_build_iowin(hFile); |
| 171 | } |
| 172 | |
| 173 | |
| 174 | voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode) |
| 175 | { |
| 176 | const char* mode_fopen = NULL; |
| 177 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
| 178 | HANDLE hFile = NULL; |
| 179 | |
| 180 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
| 181 | |
| 182 | #ifdef IOWIN32_USING_WINRT_API |
| 183 | #ifdef UNICODE |
| 184 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 185 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 186 | #else |
| 187 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 188 | { |
| 189 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
| 190 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
| 191 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
| 192 | } |
| 193 | #endif |
| 194 | #else |
| 195 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
| 196 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
| 197 | #endif |
| 198 | |
| 199 | return win32_build_iowin(hFile); |
| 200 | } |
| 201 | |
| 202 | |
| 203 | uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size) |
| 204 | { |
| 205 | uLong ret=0; |
| 206 | HANDLE hFile = NULL; |
| 207 | if (stream!=NULL) |
| 208 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 209 | |
| 210 | if (hFile != NULL) |
| 211 | { |
| 212 | if (!ReadFile(hFile, buf, size, &ret, NULL)) |
| 213 | { |
| 214 | DWORD dwErr = GetLastError(); |
| 215 | if (dwErr == ERROR_HANDLE_EOF) |
| 216 | dwErr = 0; |
| 217 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | return ret; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size) |
| 226 | { |
| 227 | uLong ret=0; |
| 228 | HANDLE hFile = NULL; |
| 229 | if (stream!=NULL) |
| 230 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 231 | |
| 232 | if (hFile != NULL) |
| 233 | { |
| 234 | if (!WriteFile(hFile, buf, size, &ret, NULL)) |
| 235 | { |
| 236 | DWORD dwErr = GetLastError(); |
| 237 | if (dwErr == ERROR_HANDLE_EOF) |
| 238 | dwErr = 0; |
| 239 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | return ret; |
| 244 | } |
| 245 | |
| 246 | static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) |
| 247 | { |
| 248 | #ifdef IOWIN32_USING_WINRT_API |
| 249 | return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); |
| 250 | #else |
| 251 | LONG lHigh = pos.HighPart; |
| 252 | DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); |
| 253 | BOOL fOk = TRUE; |
| 254 | if (dwNewPos == 0xFFFFFFFF) |
| 255 | if (GetLastError() != NO_ERROR) |
| 256 | fOk = FALSE; |
| 257 | if ((newPos != NULL) && (fOk)) |
| 258 | { |
| 259 | newPos->LowPart = dwNewPos; |
| 260 | newPos->HighPart = lHigh; |
| 261 | } |
| 262 | return fOk; |
| 263 | #endif |
| 264 | } |
| 265 | |
| 266 | long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream) |
| 267 | { |
| 268 | long ret=-1; |
| 269 | HANDLE hFile = NULL; |
| 270 | if (stream!=NULL) |
| 271 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 272 | if (hFile != NULL) |
| 273 | { |
| 274 | LARGE_INTEGER pos; |
| 275 | pos.QuadPart = 0; |
| 276 | |
| 277 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
| 278 | { |
| 279 | DWORD dwErr = GetLastError(); |
| 280 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 281 | ret = -1; |
| 282 | } |
| 283 | else |
| 284 | ret=(long)pos.LowPart; |
| 285 | } |
| 286 | return ret; |
| 287 | } |
| 288 | |
| 289 | ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream) |
| 290 | { |
| 291 | ZPOS64_T ret= (ZPOS64_T)-1; |
| 292 | HANDLE hFile = NULL; |
| 293 | if (stream!=NULL) |
| 294 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
| 295 | |
| 296 | if (hFile) |
| 297 | { |
| 298 | LARGE_INTEGER pos; |
| 299 | pos.QuadPart = 0; |
| 300 | |
| 301 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
| 302 | { |
| 303 | DWORD dwErr = GetLastError(); |
| 304 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 305 | ret = (ZPOS64_T)-1; |
| 306 | } |
| 307 | else |
| 308 | ret=pos.QuadPart; |
| 309 | } |
| 310 | return ret; |
| 311 | } |
| 312 | |
| 313 | |
| 314 | long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin) |
| 315 | { |
| 316 | DWORD dwMoveMethod=0xFFFFFFFF; |
| 317 | HANDLE hFile = NULL; |
| 318 | |
| 319 | long ret=-1; |
| 320 | if (stream!=NULL) |
| 321 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 322 | switch (origin) |
| 323 | { |
| 324 | case ZLIB_FILEFUNC_SEEK_CUR : |
| 325 | dwMoveMethod = FILE_CURRENT; |
| 326 | break; |
| 327 | case ZLIB_FILEFUNC_SEEK_END : |
| 328 | dwMoveMethod = FILE_END; |
| 329 | break; |
| 330 | case ZLIB_FILEFUNC_SEEK_SET : |
| 331 | dwMoveMethod = FILE_BEGIN; |
| 332 | break; |
| 333 | default: return -1; |
| 334 | } |
| 335 | |
| 336 | if (hFile != NULL) |
| 337 | { |
| 338 | LARGE_INTEGER pos; |
| 339 | pos.QuadPart = offset; |
| 340 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
| 341 | { |
| 342 | DWORD dwErr = GetLastError(); |
| 343 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 344 | ret = -1; |
| 345 | } |
| 346 | else |
| 347 | ret=0; |
| 348 | } |
| 349 | return ret; |
| 350 | } |
| 351 | |
| 352 | long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin) |
| 353 | { |
| 354 | DWORD dwMoveMethod=0xFFFFFFFF; |
| 355 | HANDLE hFile = NULL; |
| 356 | long ret=-1; |
| 357 | |
| 358 | if (stream!=NULL) |
| 359 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
| 360 | |
| 361 | switch (origin) |
| 362 | { |
| 363 | case ZLIB_FILEFUNC_SEEK_CUR : |
| 364 | dwMoveMethod = FILE_CURRENT; |
| 365 | break; |
| 366 | case ZLIB_FILEFUNC_SEEK_END : |
| 367 | dwMoveMethod = FILE_END; |
| 368 | break; |
| 369 | case ZLIB_FILEFUNC_SEEK_SET : |
| 370 | dwMoveMethod = FILE_BEGIN; |
| 371 | break; |
| 372 | default: return -1; |
| 373 | } |
| 374 | |
| 375 | if (hFile) |
| 376 | { |
| 377 | LARGE_INTEGER pos; |
| 378 | pos.QuadPart = offset; |
| 379 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
| 380 | { |
| 381 | DWORD dwErr = GetLastError(); |
| 382 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
| 383 | ret = -1; |
| 384 | } |
| 385 | else |
| 386 | ret=0; |
| 387 | } |
| 388 | return ret; |
| 389 | } |
| 390 | |
| 391 | int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream) |
| 392 | { |
| 393 | int ret=-1; |
| 394 | |
| 395 | if (stream!=NULL) |
| 396 | { |
| 397 | HANDLE hFile; |
| 398 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
| 399 | if (hFile != NULL) |
| 400 | { |
| 401 | CloseHandle(hFile); |
| 402 | ret=0; |
| 403 | } |
| 404 | free(stream); |
| 405 | } |
| 406 | return ret; |
| 407 | } |
| 408 | |
| 409 | int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream) |
| 410 | { |
| 411 | int ret=-1; |
| 412 | if (stream!=NULL) |
| 413 | { |
| 414 | ret = ((WIN32FILE_IOWIN*)stream) -> error; |
| 415 | } |
| 416 | return ret; |
| 417 | } |
| 418 | |
| 419 | void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def) |
| 420 | { |
| 421 | pzlib_filefunc_def->zopen_file = win32_open_file_func; |
| 422 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 423 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 424 | pzlib_filefunc_def->ztell_file = win32_tell_file_func; |
| 425 | pzlib_filefunc_def->zseek_file = win32_seek_file_func; |
| 426 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 427 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 428 | pzlib_filefunc_def->opaque = NULL; |
| 429 | } |
| 430 | |
| 431 | void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) |
| 432 | { |
| 433 | pzlib_filefunc_def->zopen64_file = win32_open64_file_func; |
| 434 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 435 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 436 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
| 437 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
| 438 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 439 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 440 | pzlib_filefunc_def->opaque = NULL; |
| 441 | } |
| 442 | |
| 443 | |
| 444 | void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) |
| 445 | { |
| 446 | pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; |
| 447 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 448 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 449 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
| 450 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
| 451 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 452 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 453 | pzlib_filefunc_def->opaque = NULL; |
| 454 | } |
| 455 | |
| 456 | |
| 457 | void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) |
| 458 | { |
| 459 | pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; |
| 460 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
| 461 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
| 462 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
| 463 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
| 464 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
| 465 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
| 466 | pzlib_filefunc_def->opaque = NULL; |
| 467 | } |