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440 lines
10 KiB
440 lines
10 KiB
/* $Id: tif_win32.c,v 1.39 2011-12-22 17:07:57 bfriesen Exp $ */ |
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/* |
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* Copyright (c) 1988-1997 Sam Leffler |
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* Copyright (c) 1991-1997 Silicon Graphics, Inc. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that (i) the above copyright notices and this permission notice appear in |
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* all copies of the software and related documentation, and (ii) the names of |
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* Sam Leffler and Silicon Graphics may not be used in any advertising or |
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* publicity relating to the software without the specific, prior written |
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* permission of Sam Leffler and Silicon Graphics. |
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* |
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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* OF THIS SOFTWARE. |
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*/ |
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/* |
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* TIFF Library Win32-specific Routines. Adapted from tif_unix.c 4/5/95 by |
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* Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA |
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*/ |
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#include "tiffiop.h" |
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#include <windows.h> |
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static tmsize_t |
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_tiffReadProc(thandle_t fd, void* buf, tmsize_t size) |
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{ |
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/* tmsize_t is 64bit on 64bit systems, but the WinAPI ReadFile takes |
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* 32bit sizes, so we loop through the data in suitable 32bit sized |
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* chunks */ |
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uint8* ma; |
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uint64 mb; |
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DWORD n; |
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DWORD o; |
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tmsize_t p; |
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ma=(uint8*)buf; |
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mb=size; |
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p=0; |
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while (mb>0) |
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{ |
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n=0x80000000UL; |
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if ((uint64)n>mb) |
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n=(DWORD)mb; |
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if (!ReadFile(fd,(LPVOID)ma,n,&o,NULL)) |
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return(0); |
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ma+=o; |
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mb-=o; |
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p+=o; |
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if (o!=n) |
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break; |
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} |
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return(p); |
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} |
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static tmsize_t |
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_tiffWriteProc(thandle_t fd, void* buf, tmsize_t size) |
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{ |
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/* tmsize_t is 64bit on 64bit systems, but the WinAPI WriteFile takes |
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* 32bit sizes, so we loop through the data in suitable 32bit sized |
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* chunks */ |
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uint8* ma; |
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uint64 mb; |
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DWORD n; |
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DWORD o; |
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tmsize_t p; |
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ma=(uint8*)buf; |
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mb=size; |
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p=0; |
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while (mb>0) |
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{ |
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n=0x80000000UL; |
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if ((uint64)n>mb) |
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n=(DWORD)mb; |
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if (!WriteFile(fd,(LPVOID)ma,n,&o,NULL)) |
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return(0); |
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ma+=o; |
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mb-=o; |
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p+=o; |
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if (o!=n) |
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break; |
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} |
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return(p); |
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} |
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static uint64 |
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_tiffSeekProc(thandle_t fd, uint64 off, int whence) |
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{ |
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LARGE_INTEGER offli; |
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DWORD dwMoveMethod; |
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offli.QuadPart = off; |
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switch(whence) |
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{ |
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case SEEK_SET: |
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dwMoveMethod = FILE_BEGIN; |
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break; |
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case SEEK_CUR: |
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dwMoveMethod = FILE_CURRENT; |
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break; |
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case SEEK_END: |
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dwMoveMethod = FILE_END; |
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break; |
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default: |
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dwMoveMethod = FILE_BEGIN; |
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break; |
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} |
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offli.LowPart=SetFilePointer(fd,offli.LowPart,&offli.HighPart,dwMoveMethod); |
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if ((offli.LowPart==INVALID_SET_FILE_POINTER)&&(GetLastError()!=NO_ERROR)) |
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offli.QuadPart=0; |
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return(offli.QuadPart); |
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} |
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static int |
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_tiffCloseProc(thandle_t fd) |
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{ |
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return (CloseHandle(fd) ? 0 : -1); |
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} |
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static uint64 |
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_tiffSizeProc(thandle_t fd) |
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{ |
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ULARGE_INTEGER m; |
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m.LowPart=GetFileSize(fd,&m.HighPart); |
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return(m.QuadPart); |
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} |
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static int |
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_tiffDummyMapProc(thandle_t fd, void** pbase, toff_t* psize) |
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{ |
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(void) fd; |
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(void) pbase; |
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(void) psize; |
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return (0); |
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} |
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/* |
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* From "Hermann Josef Hill" <lhill@rhein-zeitung.de>: |
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* |
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* Windows uses both a handle and a pointer for file mapping, |
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* but according to the SDK documentation and Richter's book |
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* "Advanced Windows Programming" it is safe to free the handle |
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* after obtaining the file mapping pointer |
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* |
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* This removes a nasty OS dependency and cures a problem |
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* with Visual C++ 5.0 |
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*/ |
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static int |
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_tiffMapProc(thandle_t fd, void** pbase, toff_t* psize) |
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{ |
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uint64 size; |
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tmsize_t sizem; |
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HANDLE hMapFile; |
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size = _tiffSizeProc(fd); |
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sizem = (tmsize_t)size; |
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if ((uint64)sizem!=size) |
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return (0); |
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/* By passing in 0 for the maximum file size, it specifies that we |
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create a file mapping object for the full file size. */ |
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hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, 0, NULL); |
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if (hMapFile == NULL) |
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return (0); |
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*pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0); |
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CloseHandle(hMapFile); |
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if (*pbase == NULL) |
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return (0); |
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*psize = size; |
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return(1); |
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} |
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static void |
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_tiffDummyUnmapProc(thandle_t fd, void* base, toff_t size) |
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{ |
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(void) fd; |
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(void) base; |
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(void) size; |
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} |
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static void |
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_tiffUnmapProc(thandle_t fd, void* base, toff_t size) |
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{ |
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(void) fd; |
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(void) size; |
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UnmapViewOfFile(base); |
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} |
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/* |
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* Open a TIFF file descriptor for read/writing. |
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* Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode |
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* string, which forces the file to be opened unmapped. |
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*/ |
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TIFF* |
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TIFFFdOpen(int ifd, const char* name, const char* mode) |
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{ |
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TIFF* tif; |
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int fSuppressMap; |
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int m; |
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fSuppressMap=0; |
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for (m=0; mode[m]!=0; m++) |
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{ |
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if (mode[m]=='u') |
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{ |
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fSuppressMap=1; |
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break; |
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} |
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} |
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tif = TIFFClientOpen(name, mode, (thandle_t)ifd, |
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_tiffReadProc, _tiffWriteProc, |
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_tiffSeekProc, _tiffCloseProc, _tiffSizeProc, |
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fSuppressMap ? _tiffDummyMapProc : _tiffMapProc, |
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fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc); |
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if (tif) |
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tif->tif_fd = ifd; |
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return (tif); |
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} |
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#ifndef _WIN32_WCE |
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/* |
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* Open a TIFF file for read/writing. |
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*/ |
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TIFF* |
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TIFFOpen(const char* name, const char* mode) |
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{ |
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static const char module[] = "TIFFOpen"; |
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thandle_t fd; |
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int m; |
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DWORD dwMode; |
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TIFF* tif; |
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m = _TIFFgetMode(mode, module); |
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switch(m) { |
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case O_RDONLY: dwMode = OPEN_EXISTING; break; |
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case O_RDWR: dwMode = OPEN_ALWAYS; break; |
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case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break; |
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case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break; |
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case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break; |
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default: return ((TIFF*)0); |
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} |
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fd = (thandle_t)CreateFileA(name, |
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(m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE), |
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode, |
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(m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL, |
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NULL); |
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if (fd == INVALID_HANDLE_VALUE) { |
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TIFFErrorExt(0, module, "%s: Cannot open", name); |
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return ((TIFF *)0); |
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} |
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tif = TIFFFdOpen((int)fd, name, mode); |
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if(!tif) |
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CloseHandle(fd); |
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return tif; |
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} |
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/* |
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* Open a TIFF file with a Unicode filename, for read/writing. |
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*/ |
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TIFF* |
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TIFFOpenW(const wchar_t* name, const char* mode) |
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{ |
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static const char module[] = "TIFFOpenW"; |
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thandle_t fd; |
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int m; |
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DWORD dwMode; |
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int mbsize; |
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char *mbname; |
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TIFF *tif; |
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m = _TIFFgetMode(mode, module); |
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switch(m) { |
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case O_RDONLY: dwMode = OPEN_EXISTING; break; |
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case O_RDWR: dwMode = OPEN_ALWAYS; break; |
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case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break; |
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case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break; |
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case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break; |
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default: return ((TIFF*)0); |
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} |
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fd = (thandle_t)CreateFileW(name, |
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(m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE), |
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode, |
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(m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL, |
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NULL); |
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if (fd == INVALID_HANDLE_VALUE) { |
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TIFFErrorExt(0, module, "%S: Cannot open", name); |
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return ((TIFF *)0); |
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} |
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mbname = NULL; |
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mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL); |
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if (mbsize > 0) { |
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mbname = (char *)_TIFFmalloc(mbsize); |
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if (!mbname) { |
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TIFFErrorExt(0, module, |
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"Can't allocate space for filename conversion buffer"); |
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return ((TIFF*)0); |
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} |
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WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize, |
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NULL, NULL); |
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} |
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tif = TIFFFdOpen((int)fd, |
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(mbname != NULL) ? mbname : "<unknown>", mode); |
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if(!tif) |
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CloseHandle(fd); |
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_TIFFfree(mbname); |
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return tif; |
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} |
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#endif /* ndef _WIN32_WCE */ |
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void* |
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_TIFFmalloc(tmsize_t s) |
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{ |
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return (malloc((size_t) s)); |
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} |
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void |
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_TIFFfree(void* p) |
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{ |
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free(p); |
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} |
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void* |
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_TIFFrealloc(void* p, tmsize_t s) |
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{ |
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return (realloc(p, (size_t) s)); |
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} |
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void |
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_TIFFmemset(void* p, int v, tmsize_t c) |
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{ |
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memset(p, v, (size_t) c); |
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} |
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void |
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_TIFFmemcpy(void* d, const void* s, tmsize_t c) |
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{ |
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memcpy(d, s, (size_t) c); |
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} |
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int |
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_TIFFmemcmp(const void* p1, const void* p2, tmsize_t c) |
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{ |
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return (memcmp(p1, p2, (size_t) c)); |
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} |
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#ifndef _WIN32_WCE |
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#if (_MSC_VER < 1500) |
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# define vsnprintf _vsnprintf |
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#endif |
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static void |
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Win32WarningHandler(const char* module, const char* fmt, va_list ap) |
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{ |
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#ifndef TIF_PLATFORM_CONSOLE |
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LPTSTR szTitle; |
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LPTSTR szTmp; |
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LPCTSTR szTitleText = "%s Warning"; |
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LPCTSTR szDefaultModule = "LIBTIFF"; |
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LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module; |
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SIZE_T nBufSize = (strlen(szTmpModule) + |
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strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char); |
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if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL) |
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return; |
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sprintf(szTitle, szTitleText, szTmpModule); |
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szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char); |
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vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap); |
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MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION); |
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LocalFree(szTitle); |
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return; |
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#else |
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if (module != NULL) |
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fprintf(stderr, "%s: ", module); |
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fprintf(stderr, "Warning, "); |
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vfprintf(stderr, fmt, ap); |
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fprintf(stderr, ".\n"); |
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#endif |
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} |
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TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler; |
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static void |
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Win32ErrorHandler(const char* module, const char* fmt, va_list ap) |
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{ |
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#ifndef TIF_PLATFORM_CONSOLE |
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LPTSTR szTitle; |
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LPTSTR szTmp; |
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LPCTSTR szTitleText = "%s Error"; |
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LPCTSTR szDefaultModule = "LIBTIFF"; |
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LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module; |
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SIZE_T nBufSize = (strlen(szTmpModule) + |
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strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char); |
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if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL) |
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return; |
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sprintf(szTitle, szTitleText, szTmpModule); |
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szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char); |
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vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap); |
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MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION); |
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LocalFree(szTitle); |
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return; |
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#else |
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if (module != NULL) |
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fprintf(stderr, "%s: ", module); |
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vfprintf(stderr, fmt, ap); |
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fprintf(stderr, ".\n"); |
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#endif |
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} |
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TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler; |
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#endif /* ndef _WIN32_WCE */ |
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/* vim: set ts=8 sts=8 sw=8 noet: */ |
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/* |
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* Local Variables: |
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* mode: c |
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* c-basic-offset: 8 |
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* fill-column: 78 |
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* End: |
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*/
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