4 * Copyright 1996 Ulrich Schmid
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #define WIN32_LEAN_AND_MEAN
25 #include "wine/winuser16.h"
29 #define MALLOCHUNK 1000
31 #define GET_USHORT(buffer, i)\
32 (((BYTE)((buffer)[(i)]) + 0x100 * (BYTE)((buffer)[(i)+1])))
33 #define GET_SHORT(buffer, i)\
34 (((BYTE)((buffer)[(i)]) + 0x100 * (signed char)((buffer)[(i)+1])))
35 #define PUT_SHORT(buffer, i, s)\
36 (((buffer)[(i)] = (s) & 0xff, (buffer)[(i)+1] = ((s) >> 8) & 0xff))
38 static BOOL GRPFILE_ReadFileToBuffer(LPCSTR, HLOCAL*, INT*);
39 static HLOCAL GRPFILE_ScanGroup(LPCSTR, INT, LPCSTR, BOOL);
40 static HLOCAL GRPFILE_ScanProgram(LPCSTR, INT, LPCSTR, INT,
41 LPCSTR, HLOCAL,LPCSTR);
42 static BOOL GRPFILE_DoWriteGroupFile(HFILE file, PROGGROUP *group);
44 /***********************************************************************
46 * GRPFILE_ModifyFileName
48 * Change extension `.grp' to `.gr'
51 static VOID GRPFILE_ModifyFileName(LPSTR lpszNewName, LPCSTR lpszOrigName,
52 INT nSize, BOOL bModify)
54 lstrcpyn(lpszNewName, lpszOrigName, nSize);
55 lpszNewName[nSize-1] = '\0';
57 if (!lstrcmpi(lpszNewName + strlen(lpszNewName) - 4, ".grp"))
58 lpszNewName[strlen(lpszNewName) - 1] = '\0';
61 /***********************************************************************
63 * GRPFILE_ReadGroupFile
66 HLOCAL GRPFILE_ReadGroupFile(LPCSTR lpszPath)
68 CHAR szPath_gr[MAX_PATHNAME_LEN];
69 BOOL bFileNameModified = FALSE;
71 HLOCAL hBuffer, hGroup;
74 /* if `.gr' file exists use that */
75 GRPFILE_ModifyFileName(szPath_gr, lpszPath, MAX_PATHNAME_LEN, TRUE);
76 if (OpenFile(szPath_gr, &dummy, OF_EXIST) != HFILE_ERROR)
79 bFileNameModified = TRUE;
82 /* Read the whole file into a buffer */
83 if (!GRPFILE_ReadFileToBuffer(lpszPath, &hBuffer, &size))
85 MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
89 /* Interpret buffer */
90 hGroup = GRPFILE_ScanGroup(LocalLock(hBuffer), size,
91 lpszPath, bFileNameModified);
93 MAIN_MessageBoxIDS_s(IDS_GRPFILE_READ_ERROR_s, lpszPath, IDS_ERROR, MB_YESNO);
100 /***********************************************************************
102 * GRPFILE_ReadFileToBuffer
105 static BOOL GRPFILE_ReadFileToBuffer(LPCSTR path, HLOCAL *phBuffer,
110 HLOCAL hBuffer, hNewBuffer;
113 file=_lopen(path, OF_READ);
114 if (file == HFILE_ERROR) return FALSE;
117 hBuffer = LocalAlloc(LMEM_FIXED, size + MALLOCHUNK + 1);
118 if (!hBuffer) return FALSE;
119 buffer = LocalLock(hBuffer);
121 while ((len = _lread(file, buffer + size, MALLOCHUNK))
125 hNewBuffer = LocalReAlloc(hBuffer, size + MALLOCHUNK + 1,
132 hBuffer = hNewBuffer;
133 buffer = LocalLock(hBuffer);
138 if (len == (UINT)HFILE_ERROR)
152 /***********************************************************************
156 static HLOCAL GRPFILE_ScanGroup(LPCSTR buffer, INT size,
158 BOOL bModifiedFileName)
164 INT x, y, width, height, iconx, icony, nCmdShow;
165 INT number_of_programs;
166 BOOL bOverwriteFileOk;
168 if (buffer[0] != 'P' || buffer[1] != 'M') return(0);
169 if (buffer[2] == 'C' && buffer[3] == 'C')
170 /* original with checksum */
171 bOverwriteFileOk = FALSE;
172 else if (buffer[2] == 'X' && buffer[3] == 'X')
173 /* modified without checksum */
174 bOverwriteFileOk = TRUE;
177 /* checksum = GET_USHORT(buffer, 4) (ignored) */
179 extension = buffer + GET_USHORT(buffer, 6);
180 if (extension == buffer + size) extension = 0;
181 else if (extension + 6 > buffer + size) return(0);
183 nCmdShow = GET_USHORT(buffer, 8);
184 x = GET_SHORT(buffer, 10);
185 y = GET_SHORT(buffer, 12);
186 width = GET_USHORT(buffer, 14);
187 height = GET_USHORT(buffer, 16);
188 iconx = GET_SHORT(buffer, 18);
189 icony = GET_SHORT(buffer, 20);
190 lpszName = buffer + GET_USHORT(buffer, 22);
191 if (lpszName >= buffer + size) return(0);
193 /* unknown bytes 24 - 31 ignored */
195 Unknown bytes should be:
196 wLogPixelsX = GET_SHORT(buffer, 24);
197 wLogPixelsY = GET_SHORT(buffer, 26);
198 byBitsPerPixel = byte at 28;
199 byPlanes = byte at 29;
200 wReserved = GET_SHORT(buffer, 30);
203 hGroup = GROUP_AddGroup(lpszName, lpszGrpFile, nCmdShow, x, y,
204 width, height, iconx, icony,
205 bModifiedFileName, bOverwriteFileOk,
207 if (!hGroup) return(0);
209 number_of_programs = GET_USHORT(buffer, 32);
210 if (2 * number_of_programs + 34 > size) return(0);
211 for (i=0, seqnum=0; i < number_of_programs; i++, seqnum++)
213 LPCSTR program_ptr = buffer + GET_USHORT(buffer, 34 + 2*i);
214 if (program_ptr + 24 > buffer + size) return(0);
215 if (!GET_USHORT(buffer, 34 + 2*i)) continue;
216 if (!GRPFILE_ScanProgram(buffer, size, program_ptr, seqnum,
217 extension, hGroup, lpszGrpFile))
219 GROUP_DeleteGroup(hGroup);
224 /* FIXME shouldn't be necessary */
225 GROUP_ShowGroupWindow(hGroup);
230 /***********************************************************************
231 * GRPFILE_ScanProgram
234 static HLOCAL GRPFILE_ScanProgram(LPCSTR buffer, INT size,
235 LPCSTR program_ptr, INT seqnum,
236 LPCSTR extension, HLOCAL hGroup,
241 LPCSTR lpszName, lpszCmdLine, lpszIconFile, lpszWorkDir;
242 LPCSTR iconinfo_ptr, iconANDbits_ptr, iconXORbits_ptr;
243 INT x, y, nIconIndex, iconANDsize, iconXORsize;
244 INT nHotKey, nCmdShow;
245 CURSORICONINFO iconinfo;
247 x = GET_SHORT(program_ptr, 0);
248 y = GET_SHORT(program_ptr, 2);
249 nIconIndex = GET_USHORT(program_ptr, 4);
251 /* FIXME is this correct ?? */
252 icontype = GET_USHORT(program_ptr, 6);
256 MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s, lpszGrpFile,
259 iconXORsize = GET_USHORT(program_ptr, 8);
260 iconANDsize = GET_USHORT(program_ptr, 10) / 8;
261 iconinfo_ptr = buffer + GET_USHORT(program_ptr, 12);
262 iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 14);
263 iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 16);
264 iconinfo.ptHotSpot.x = GET_USHORT(iconinfo_ptr, 0);
265 iconinfo.ptHotSpot.y = GET_USHORT(iconinfo_ptr, 2);
266 iconinfo.nWidth = GET_USHORT(iconinfo_ptr, 4);
267 iconinfo.nHeight = GET_USHORT(iconinfo_ptr, 6);
268 iconinfo.nWidthBytes = GET_USHORT(iconinfo_ptr, 8);
269 iconinfo.bPlanes = GET_USHORT(iconinfo_ptr, 10);
270 iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
273 iconANDsize = GET_USHORT(program_ptr, 8);
274 iconXORsize = GET_USHORT(program_ptr, 10);
275 iconinfo_ptr = buffer + GET_USHORT(program_ptr, 12);
276 iconANDbits_ptr = buffer + GET_USHORT(program_ptr, 14);
277 iconXORbits_ptr = buffer + GET_USHORT(program_ptr, 16);
278 iconinfo.ptHotSpot.x = GET_USHORT(iconinfo_ptr, 0);
279 iconinfo.ptHotSpot.y = GET_USHORT(iconinfo_ptr, 2);
280 iconinfo.nWidth = GET_USHORT(iconinfo_ptr, 4);
281 iconinfo.nHeight = GET_USHORT(iconinfo_ptr, 6);
282 iconinfo.nWidthBytes = GET_USHORT(iconinfo_ptr, 8) * 8;
283 iconinfo.bPlanes = GET_USHORT(iconinfo_ptr, 10);
284 iconinfo.bBitsPerPixel = GET_USHORT(iconinfo_ptr, 11);
287 if (iconANDbits_ptr + iconANDsize > buffer + size ||
288 iconXORbits_ptr + iconXORsize > buffer + size) return(0);
290 hIcon = CreateIcon( Globals.hInstance, iconinfo.nWidth, iconinfo.nHeight,
291 iconinfo.bPlanes, iconinfo.bBitsPerPixel,
292 iconANDbits_ptr, iconXORbits_ptr );
294 lpszName = buffer + GET_USHORT(program_ptr, 18);
295 lpszCmdLine = buffer + GET_USHORT(program_ptr, 20);
296 lpszIconFile = buffer + GET_USHORT(program_ptr, 22);
297 if (iconinfo_ptr + 6 > buffer + size ||
298 lpszName > buffer + size ||
299 lpszCmdLine > buffer + size ||
300 lpszIconFile > buffer + size) return(0);
302 /* Scan Extensions */
305 nCmdShow = SW_SHOWNORMAL;
308 LPCSTR ptr = extension;
309 while (ptr + 6 <= buffer + size)
311 UINT type = GET_USHORT(ptr, 0);
312 UINT number = GET_USHORT(ptr, 2);
313 UINT skip = GET_USHORT(ptr, 4);
315 if (number == seqnum)
320 if (ptr + 10 > buffer + size) return(0);
321 if (ptr[6] != 'P' || ptr[7] != 'M' ||
322 ptr[8] != 'C' || ptr[9] != 'C') return(0);
325 lpszWorkDir = ptr + 6;
328 if (ptr + 8 > buffer + size) return(0);
329 nHotKey = GET_USHORT(ptr, 6);
332 if (ptr + 8 > buffer + size) return(0);
333 nCmdShow = GET_USHORT(ptr, 6);
336 MAIN_MessageBoxIDS_s(IDS_UNKNOWN_FEATURE_s,
337 lpszGrpFile, IDS_WARNING, MB_OK);
345 return (PROGRAM_AddProgram(hGroup, hIcon, lpszName, x, y,
346 lpszCmdLine, lpszIconFile,
347 nIconIndex, lpszWorkDir,
351 /***********************************************************************
353 * GRPFILE_WriteGroupFile
356 BOOL GRPFILE_WriteGroupFile(HLOCAL hGroup)
358 CHAR szPath[MAX_PATHNAME_LEN];
359 PROGGROUP *group = LocalLock(hGroup);
364 GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
366 group->bFileNameModified);
368 /* Try not to overwrite original files */
370 /* group->bOverwriteFileOk == TRUE only if a file has the modified format */
371 if (!group->bOverwriteFileOk &&
372 OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
374 /* Original file exists, try `.gr' extension */
375 GRPFILE_ModifyFileName(szPath, LocalLock(group->hGrpFile),
376 MAX_PATHNAME_LEN, TRUE);
377 if (OpenFile(szPath, &dummy, OF_EXIST) != HFILE_ERROR)
379 /* File exists. Do not overwrite */
380 MAIN_MessageBoxIDS_s(IDS_FILE_NOT_OVERWRITTEN_s, szPath,
384 /* Inform about the modified file name */
386 MAIN_MessageBoxIDS_s(IDS_SAVE_GROUP_AS_s, szPath, IDS_INFO,
387 MB_OKCANCEL | MB_ICONINFORMATION))
392 /* Warn about the (possible) incompatibility */
393 CHAR msg[MAX_PATHNAME_LEN + 200];
395 "Group files written by this DRAFT Program Manager "
396 "possibly cannot be read by the Microsoft Program Manager!!\n"
397 "Are you sure to write %s?", szPath);
398 if (IDOK != MessageBox(Globals.hMainWnd, msg, "WARNING",
399 MB_OKCANCEL | MB_DEFBUTTON2)) return FALSE;
403 file = _lcreat(szPath, 0);
404 if (file != HFILE_ERROR)
406 ret = GRPFILE_DoWriteGroupFile(file, group);
412 MAIN_MessageBoxIDS_s(IDS_FILE_WRITE_ERROR_s, szPath, IDS_ERROR, MB_OK);
417 /***********************************************************************
419 * GRPFILE_CalculateSizes
422 static VOID GRPFILE_CalculateSizes(PROGRAM *program,
423 INT *Progs, INT *Icons)
425 CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
426 INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
427 INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
430 *Progs += lstrlen(LocalLock(program->hName)) + 1;
431 *Progs += lstrlen(LocalLock(program->hCmdLine)) + 1;
432 *Progs += lstrlen(LocalLock(program->hIconFile)) + 1;
434 *Icons += 12; /* IconInfo */
439 /***********************************************************************/
440 UINT16 GRPFILE_checksum;
441 BOOL GRPFILE_checksum_half_word;
442 BYTE GRPFILE_checksum_last_byte;
443 /***********************************************************************
445 * GRPFILE_InitChecksum
448 static void GRPFILE_InitChecksum(void)
450 GRPFILE_checksum = 0;
451 GRPFILE_checksum_half_word = 0;
454 /***********************************************************************
456 * GRPFILE_GetChecksum
459 static UINT16 GRPFILE_GetChecksum(void)
461 return GRPFILE_checksum;
464 /***********************************************************************
466 * GRPFILE_WriteWithChecksum
468 * Looks crazier than it is:
471 * chksum = cksum - 1. word;
472 * chksum = cksum - 2. word;
475 * if (filelen is even)
481 static UINT GRPFILE_WriteWithChecksum(HFILE file, LPCSTR str, UINT size)
484 if (GRPFILE_checksum_half_word) {
485 GRPFILE_checksum -= GRPFILE_checksum_last_byte;
487 for (i=0; i < size; i++) {
488 if (GRPFILE_checksum_half_word) {
489 GRPFILE_checksum -= str[i] << 8;
491 GRPFILE_checksum -= str[i];
493 GRPFILE_checksum_half_word ^= 1;
496 if (GRPFILE_checksum_half_word) {
497 GRPFILE_checksum_last_byte = str[size-1];
498 GRPFILE_checksum += GRPFILE_checksum_last_byte;
501 return _lwrite(file, str, size);
505 /***********************************************************************
507 * GRPFILE_DoWriteGroupFile
510 static BOOL GRPFILE_DoWriteGroupFile(HFILE file, PROGGROUP *group)
514 INT NumProg, Title, Progs, Icons, Extension;
515 INT CurrProg, CurrIcon, nCmdShow, ptr, seqnum;
517 LPCSTR lpszTitle = LocalLock(group->hName);
521 GRPFILE_InitChecksum();
523 /* Calculate offsets */
527 need_extension = FALSE;
528 hProgram = group->hPrograms;
531 PROGRAM *program = LocalLock(hProgram);
532 LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
535 GRPFILE_CalculateSizes(program, &Icons, &Extension);
537 /* Set a flag if an extension is needed */
538 if (lpszWorkDir[0] || program->nHotKey ||
539 program->nCmdShow != SW_SHOWNORMAL) need_extension = TRUE;
541 hProgram = program->hNext;
543 Title = 34 + NumProg * 2;
544 Progs = Title + lstrlen(lpszTitle) + 1;
554 PUT_SHORT(buffer, 4, 0); /* Checksum zero for now, written later */
555 PUT_SHORT(buffer, 6, Extension);
556 /* Update group->nCmdShow */
557 if (IsIconic(group->hWnd)) nCmdShow = SW_SHOWMINIMIZED;
558 else if (IsZoomed(group->hWnd)) nCmdShow = SW_SHOWMAXIMIZED;
559 else nCmdShow = SW_SHOWNORMAL;
560 PUT_SHORT(buffer, 8, nCmdShow);
561 PUT_SHORT(buffer, 10, group->x);
562 PUT_SHORT(buffer, 12, group->y);
563 PUT_SHORT(buffer, 14, group->width);
564 PUT_SHORT(buffer, 16, group->height);
565 PUT_SHORT(buffer, 18, group->iconx);
566 PUT_SHORT(buffer, 20, group->icony);
567 PUT_SHORT(buffer, 22, Title);
568 PUT_SHORT(buffer, 24, 0x0020); /* unknown */
569 PUT_SHORT(buffer, 26, 0x0020); /* unknown */
570 PUT_SHORT(buffer, 28, 0x0108); /* unknown */
571 PUT_SHORT(buffer, 30, 0x0000); /* unknown */
572 PUT_SHORT(buffer, 32, NumProg);
574 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 34)) return FALSE;
579 hProgram = group->hPrograms;
582 PROGRAM *program = LocalLock(hProgram);
584 PUT_SHORT(buffer, 0, CurrProg);
585 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 2))
588 GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
589 hProgram = program->hNext;
593 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, lpszTitle,
594 lstrlen(lpszTitle) + 1))
597 /* Program entries */
600 hProgram = group->hPrograms;
603 PROGRAM *program = LocalLock(hProgram);
604 CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
605 LPCSTR Name = LocalLock(program->hName);
606 LPCSTR CmdLine = LocalLock(program->hCmdLine);
607 LPCSTR IconFile = LocalLock(program->hIconFile);
608 INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
609 INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
611 PUT_SHORT(buffer, 0, program->x);
612 PUT_SHORT(buffer, 2, program->y);
613 PUT_SHORT(buffer, 4, program->nIconIndex);
614 PUT_SHORT(buffer, 6, 0x048c); /* unknown */
615 PUT_SHORT(buffer, 8, sizeXor);
616 PUT_SHORT(buffer, 10, sizeAnd * 8);
617 PUT_SHORT(buffer, 12, CurrIcon);
618 PUT_SHORT(buffer, 14, CurrIcon + 12 + sizeAnd);
619 PUT_SHORT(buffer, 16, CurrIcon + 12);
621 PUT_SHORT(buffer, 18, ptr);
622 ptr += lstrlen(Name) + 1;
623 PUT_SHORT(buffer, 20, ptr);
624 ptr += lstrlen(CmdLine) + 1;
625 PUT_SHORT(buffer, 22, ptr);
627 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 24) ||
628 (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, Name, lstrlen(Name) + 1) ||
629 (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, CmdLine, lstrlen(CmdLine) + 1) ||
630 (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, IconFile, lstrlen(IconFile) + 1))
633 GRPFILE_CalculateSizes(program, &CurrProg, &CurrIcon);
634 hProgram = program->hNext;
638 #if 0 /* FIXME: this is broken anyway */
639 hProgram = group->hPrograms;
642 PROGRAM *program = LocalLock(hProgram);
643 CURSORICONINFO *iconinfo = LocalLock(program->hIcon);
644 LPVOID XorBits, AndBits;
645 INT sizeXor = iconinfo->nHeight * iconinfo->nWidthBytes;
646 INT sizeAnd = iconinfo->nHeight * ((iconinfo->nWidth + 15) / 16 * 2);
647 /* DumpIcon16(LocalLock(program->hIcon), 0, &XorBits, &AndBits);*/
649 PUT_SHORT(buffer, 0, iconinfo->ptHotSpot.x);
650 PUT_SHORT(buffer, 2, iconinfo->ptHotSpot.y);
651 PUT_SHORT(buffer, 4, iconinfo->nWidth);
652 PUT_SHORT(buffer, 6, iconinfo->nHeight);
653 PUT_SHORT(buffer, 8, iconinfo->nWidthBytes);
654 buffer[10] = iconinfo->bPlanes;
655 buffer[11] = iconinfo->bBitsPerPixel;
657 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 12) ||
658 (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, AndBits, sizeAnd) ||
659 (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, XorBits, sizeXor)) return FALSE;
661 hProgram = program->hNext;
667 /* write `PMCC' extension */
668 PUT_SHORT(buffer, 0, 0x8000);
669 PUT_SHORT(buffer, 2, 0xffff);
670 PUT_SHORT(buffer, 4, 0x000a);
671 buffer[6] = 'P', buffer[7] = 'M';
672 buffer[8] = 'C', buffer[9] = 'C';
673 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 10))
677 hProgram = group->hPrograms;
680 PROGRAM *program = LocalLock(hProgram);
681 LPCSTR lpszWorkDir = LocalLock(program->hWorkDir);
683 /* Working directory */
686 PUT_SHORT(buffer, 0, 0x8101);
687 PUT_SHORT(buffer, 2, seqnum);
688 PUT_SHORT(buffer, 4, 7 + lstrlen(lpszWorkDir));
689 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 6) ||
690 (UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, lpszWorkDir, lstrlen(lpszWorkDir) + 1))
695 if (program->nHotKey)
697 PUT_SHORT(buffer, 0, 0x8102);
698 PUT_SHORT(buffer, 2, seqnum);
699 PUT_SHORT(buffer, 4, 8);
700 PUT_SHORT(buffer, 6, program->nHotKey);
701 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 8)) return FALSE;
705 if (program->nCmdShow)
707 PUT_SHORT(buffer, 0, 0x8103);
708 PUT_SHORT(buffer, 2, seqnum);
709 PUT_SHORT(buffer, 4, 8);
710 PUT_SHORT(buffer, 6, program->nCmdShow);
711 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 8)) return FALSE;
715 hProgram = program->hNext;
718 /* Write `End' extension */
719 PUT_SHORT(buffer, 0, 0xffff);
720 PUT_SHORT(buffer, 2, 0xffff);
721 PUT_SHORT(buffer, 4, 0x0000);
722 if ((UINT)HFILE_ERROR == GRPFILE_WriteWithChecksum(file, buffer, 6)) return FALSE;
725 checksum = GRPFILE_GetChecksum();
726 _llseek(file, 4, SEEK_SET);
727 PUT_SHORT(buffer, 0, checksum);
728 _lwrite(file, buffer, 2);
733 /* Local Variables: */
734 /* c-file-style: "GNU" */