| 1 | /* $Header$ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1988-1997 Sam Leffler |
| 5 | * Copyright (c) 1991-1997 Silicon Graphics, Inc. |
| 6 | * |
| 7 | * modifed for use with OS/2 by David Webster |
| 8 | * |
| 9 | * Permission to use, copy, modify, distribute, and sell this software and |
| 10 | * its documentation for any purpose is hereby granted without fee, provided |
| 11 | * that (i) the above copyright notices and this permission notice appear in |
| 12 | * all copies of the software and related documentation, and (ii) the names of |
| 13 | * Sam Leffler and Silicon Graphics may not be used in any advertising or |
| 14 | * publicity relating to the software without the specific, prior written |
| 15 | * permission of Sam Leffler and Silicon Graphics. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
| 18 | * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
| 19 | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
| 20 | * |
| 21 | * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
| 22 | * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
| 23 | * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 24 | * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
| 25 | * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 26 | * OF THIS SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | /* |
| 30 | * TIFF Library OS/2-specific Routines. Adapted from tif_win32.c 2/16/00 by |
| 31 | * David Webster (dwebster@bhmi.com), Baldwin, Hackett, and Meeks, Inc., Omaha, NE USA |
| 32 | */ |
| 33 | #define INCL_PM |
| 34 | #define INCL_BASE |
| 35 | #include <os2.h> |
| 36 | #include <stdio.h> |
| 37 | #include <stdlib.h> |
| 38 | #include "tiffiop.h" |
| 39 | |
| 40 | /* Some windows datatypes */ |
| 41 | |
| 42 | typedef ULONG DWORD; |
| 43 | typedef ULONG HANDLE; |
| 44 | typedef PCHAR LPTSTR; |
| 45 | typedef const PCHAR LPCTSTR; |
| 46 | typedef CHAR TCHAR; |
| 47 | #define GlobalAlloc(a,b) malloc(b) |
| 48 | #define LocalAlloc(a,b) malloc(b) |
| 49 | #define GlobalFree(b) free(b) |
| 50 | #define LocalFree(b) free(b) |
| 51 | #define GlobalReAlloc(p, s, t) realloc(p, s) |
| 52 | #define CopyMemory(p, v, s) memcpy(p, v, s) |
| 53 | #define FillMemory(p, c, s) memset(p, c, s) |
| 54 | #define GlobalSize(p) sizeof(p) |
| 55 | #define wsprintf sprintf |
| 56 | #define wvsprintf vsprintf |
| 57 | #define lstrlen strlen |
| 58 | |
| 59 | static tsize_t LINKAGEMODE |
| 60 | _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size) |
| 61 | { |
| 62 | DWORD dwSizeRead; |
| 63 | if (!DosRead((HFILE)fd, buf, size, &dwSizeRead)) |
| 64 | return(0); |
| 65 | return ((tsize_t) dwSizeRead); |
| 66 | } |
| 67 | |
| 68 | static tsize_t LINKAGEMODE |
| 69 | _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size) |
| 70 | { |
| 71 | DWORD dwSizeWritten; |
| 72 | if (!DosWrite((HFILE)fd, buf, size, &dwSizeWritten)) |
| 73 | return(0); |
| 74 | return ((tsize_t) dwSizeWritten); |
| 75 | } |
| 76 | |
| 77 | static toff_t LINKAGEMODE |
| 78 | _tiffSeekProc(thandle_t fd, toff_t off, int whence) |
| 79 | { |
| 80 | DWORD dwMoveMethod; |
| 81 | ULONG ibActual; |
| 82 | switch(whence) |
| 83 | { |
| 84 | case 0: |
| 85 | dwMoveMethod = FILE_BEGIN; |
| 86 | break; |
| 87 | case 1: |
| 88 | dwMoveMethod = FILE_CURRENT; |
| 89 | break; |
| 90 | case 2: |
| 91 | dwMoveMethod = FILE_END; |
| 92 | break; |
| 93 | default: |
| 94 | dwMoveMethod = FILE_BEGIN; |
| 95 | break; |
| 96 | } |
| 97 | DosSetFilePtr((HFILE)fd, off, dwMoveMethod, &ibActual); |
| 98 | return((toff_t)ibActual); |
| 99 | } |
| 100 | |
| 101 | static int LINKAGEMODE |
| 102 | _tiffCloseProc(thandle_t fd) |
| 103 | { |
| 104 | return (DosClose((HFILE)fd) ? 0 : -1); |
| 105 | } |
| 106 | |
| 107 | static toff_t LINKAGEMODE |
| 108 | _tiffSizeProc(thandle_t fd) |
| 109 | { |
| 110 | FILESTATUS3 vStatus; |
| 111 | |
| 112 | DosQueryFileInfo((HFILE)fd, FIL_STANDARD, &vStatus, sizeof(FILESTATUS3)); |
| 113 | return (vStatus.cbFile); |
| 114 | } |
| 115 | |
| 116 | static int LINKAGEMODE |
| 117 | _tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize) |
| 118 | { |
| 119 | return (0); |
| 120 | } |
| 121 | |
| 122 | /* |
| 123 | * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>: |
| 124 | * |
| 125 | * Windows uses both a handle and a pointer for file mapping, |
| 126 | * but according to the SDK documentation and Richter's book |
| 127 | * "Advanced Windows Programming" it is safe to free the handle |
| 128 | * after obtaining the file mapping pointer |
| 129 | * |
| 130 | * This removes a nasty OS dependency and cures a problem |
| 131 | * with Visual C++ 5.0 |
| 132 | */ |
| 133 | static int LINKAGEMODE |
| 134 | _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize) |
| 135 | { |
| 136 | return(0); |
| 137 | } |
| 138 | |
| 139 | static void LINKAGEMODE |
| 140 | _tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size) |
| 141 | { |
| 142 | } |
| 143 | |
| 144 | static void LINKAGEMODE |
| 145 | _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size) |
| 146 | { |
| 147 | } |
| 148 | |
| 149 | /* |
| 150 | * Open a TIFF file descriptor for read/writing. |
| 151 | * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode |
| 152 | * string, which forces the file to be opened unmapped. |
| 153 | */ |
| 154 | TIFF* |
| 155 | TIFFFdOpen(int ifd, const char* name, const char* mode) |
| 156 | { |
| 157 | TIFF* tif; |
| 158 | BOOL fSuppressMap = (mode[1] == 'u' || mode[2] == 'u'); |
| 159 | |
| 160 | tif = TIFFClientOpen(name, mode, |
| 161 | (thandle_t)ifd, |
| 162 | _tiffReadProc, _tiffWriteProc, |
| 163 | _tiffSeekProc, _tiffCloseProc, _tiffSizeProc, |
| 164 | fSuppressMap ? _tiffDummyMapProc : _tiffMapProc, |
| 165 | fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc); |
| 166 | if (tif) |
| 167 | tif->tif_fd = ifd; |
| 168 | return (tif); |
| 169 | } |
| 170 | |
| 171 | /* |
| 172 | * Open a TIFF file for read/writing. |
| 173 | */ |
| 174 | TIFF* |
| 175 | TIFFOpen(const char* name, const char* mode) |
| 176 | { |
| 177 | static const char module[] = "TIFFOpen"; |
| 178 | thandle_t fd; |
| 179 | int m; |
| 180 | DWORD dwOpenMode; |
| 181 | DWORD dwOpenFlags; |
| 182 | DWORD dwAction; |
| 183 | APIRET ulrc; |
| 184 | |
| 185 | m = _TIFFgetMode(mode, module); |
| 186 | |
| 187 | switch(m) |
| 188 | { |
| 189 | case O_RDONLY: |
| 190 | dwOpenMode = OPEN_ACCESS_READONLY; |
| 191 | dwOpenFlags = OPEN_ACTION_FAIL_IF_NEW; |
| 192 | break; |
| 193 | case O_RDWR: |
| 194 | dwOpenMode = OPEN_ACCESS_READWRITE; |
| 195 | dwOpenFlags = OPEN_ACTION_FAIL_IF_NEW; |
| 196 | break; |
| 197 | case O_RDWR|O_CREAT: |
| 198 | dwOpenMode = OPEN_ACCESS_READWRITE; |
| 199 | dwOpenFlags = OPEN_ACTION_CREATE_IF_NEW; |
| 200 | break; |
| 201 | case O_RDWR|O_TRUNC: |
| 202 | dwOpenMode = OPEN_ACCESS_READWRITE; |
| 203 | dwOpenFlags = OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS; |
| 204 | break; |
| 205 | case O_RDWR|O_CREAT|O_TRUNC: |
| 206 | dwOpenMode = OPEN_ACCESS_READWRITE; |
| 207 | dwOpenFlags = OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS; |
| 208 | break; |
| 209 | default: |
| 210 | return ((TIFF*)0); |
| 211 | } |
| 212 | ulrc = DosOpen( name, (HFILE*)&fd, &dwAction, FILE_ARCHIVED|FILE_NORMAL |
| 213 | ,1000L, dwOpenFlags, dwOpenMode, NULL |
| 214 | ); |
| 215 | if (fd != NO_ERROR) { |
| 216 | TIFFError(module, "%s: Cannot open", name); |
| 217 | return ((TIFF *)0); |
| 218 | } |
| 219 | return (TIFFFdOpen((int)fd, name, mode)); |
| 220 | } |
| 221 | |
| 222 | tdata_t |
| 223 | _TIFFmalloc(tsize_t s) |
| 224 | { |
| 225 | return ((tdata_t)GlobalAlloc(GMEM_FIXED, s)); |
| 226 | } |
| 227 | |
| 228 | void |
| 229 | _TIFFfree(tdata_t p) |
| 230 | { |
| 231 | GlobalFree(p); |
| 232 | return; |
| 233 | } |
| 234 | |
| 235 | tdata_t |
| 236 | _TIFFrealloc(tdata_t p, tsize_t s) |
| 237 | { |
| 238 | void* pvTmp; |
| 239 | if ((pvTmp = GlobalReAlloc(p, s, 0)) == NULL) { |
| 240 | if ((pvTmp = GlobalAlloc(sGMEM_FIXED, s)) != NULL) { |
| 241 | CopyMemory(pvTmp, p, GlobalSize(p)); |
| 242 | GlobalFree(p); |
| 243 | } |
| 244 | } |
| 245 | return ((tdata_t)pvTmp); |
| 246 | } |
| 247 | |
| 248 | void |
| 249 | _TIFFmemset(void* p, int v, tsize_t c) |
| 250 | { |
| 251 | FillMemory(p, c, (BYTE)v); |
| 252 | } |
| 253 | |
| 254 | void |
| 255 | _TIFFmemcpy(void* d, const tdata_t s, tsize_t c) |
| 256 | { |
| 257 | CopyMemory(d, s, c); |
| 258 | } |
| 259 | |
| 260 | int |
| 261 | _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c) |
| 262 | { |
| 263 | register const *pb1 = (const int*)p1; |
| 264 | register const *pb2 = (const int*)p2; |
| 265 | register DWORD dwTmp = c; |
| 266 | register int iTmp; |
| 267 | for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)*pb1++ - (int)*pb2++) |
| 268 | ; |
| 269 | return (iTmp); |
| 270 | } |
| 271 | |
| 272 | static void LINKAGEMODE |
| 273 | Os2WarningHandler(const char* module, const char* fmt, va_list ap) |
| 274 | { |
| 275 | #ifndef TIF_PLATFORM_CONSOLE |
| 276 | LPTSTR szTitle; |
| 277 | LPTSTR szTmp; |
| 278 | LPCTSTR szTitleText = "%s Warning"; |
| 279 | LPCTSTR szDefaultModule = "TIFFLIB"; |
| 280 | szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module; |
| 281 | if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) + |
| 282 | lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL) |
| 283 | return; |
| 284 | wsprintf(szTitle, szTitleText, szTmp); |
| 285 | szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR); |
| 286 | wvsprintf(szTmp, fmt, ap); |
| 287 | WinMessageBox( HWND_DESKTOP |
| 288 | ,WinQueryFocus(HWND_DESKTOP) |
| 289 | ,szTmp |
| 290 | ,szTitle |
| 291 | ,0 |
| 292 | ,MB_OK | MB_INFORMATION |
| 293 | ); |
| 294 | LocalFree(szTitle); |
| 295 | return; |
| 296 | #else |
| 297 | if (module != NULL) |
| 298 | fprintf(stderr, "%s: ", module); |
| 299 | fprintf(stderr, "Warning, "); |
| 300 | vfprintf(stderr, fmt, ap); |
| 301 | fprintf(stderr, ".\n"); |
| 302 | #endif |
| 303 | } |
| 304 | TIFFErrorHandler _TIFFwarningHandler = Os2WarningHandler; |
| 305 | |
| 306 | static void LINKAGEMODE |
| 307 | Os2ErrorHandler(const char* module, const char* fmt, va_list ap) |
| 308 | { |
| 309 | #ifndef TIF_PLATFORM_CONSOLE |
| 310 | LPTSTR szTitle; |
| 311 | LPTSTR szTmp; |
| 312 | LPCTSTR szTitleText = "%s Error"; |
| 313 | LPCTSTR szDefaultModule = "TIFFLIB"; |
| 314 | szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module; |
| 315 | if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) + |
| 316 | lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL) |
| 317 | return; |
| 318 | wsprintf(szTitle, szTitleText, szTmp); |
| 319 | szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR); |
| 320 | wvsprintf(szTmp, fmt, ap); |
| 321 | WinMessageBox( HWND_DESKTOP |
| 322 | ,WinQueryFocus(HWND_DESKTOP) |
| 323 | ,szTmp |
| 324 | ,szTitle |
| 325 | ,0 |
| 326 | ,MB_OK | MB_ICONEXCLAMATION |
| 327 | ); |
| 328 | LocalFree(szTitle); |
| 329 | return; |
| 330 | #else |
| 331 | if (module != NULL) |
| 332 | fprintf(stderr, "%s: ", module); |
| 333 | vfprintf(stderr, fmt, ap); |
| 334 | fprintf(stderr, ".\n"); |
| 335 | #endif |
| 336 | } |
| 337 | TIFFErrorHandler _TIFFerrorHandler = Os2ErrorHandler; |
| 338 | |