winhelp
Eric Pouech
pouech-eric at wanadoo.fr
Fri May 23 13:50:39 CDT 2003
this patch solves a couple of issues with winhelp (see changelog)
A+
--
Eric Pouech
-------------- next part --------------
Name: winhlp
ChangeLog:
- added some missing strings to resources
- made the decompression code a bit more pedantic to avoid crashes
- fixed startup without .HLP filename passed on command line
- passed a few more commands from remote applications to the macros
License: X11
GenDate: 2003/05/23 18:48:43 UTC
ModifiedFiles: programs/winhelp/Si.rc programs/winhelp/Sk.rc programs/winhelp/hlpfile.c programs/winhelp/winhelp.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winhelp/Si.rc,v
retrieving revision 1.2
diff -u -u -r1.2 Si.rc
--- programs/winhelp/Si.rc 21 Oct 2002 19:18:42 -0000 1.2
+++ programs/winhelp/Si.rc 21 Oct 2002 19:32:53 -0000
@@ -62,6 +62,7 @@
STID_SEARCH, "&Iskanje"
STID_BACK, "&Nazaj"
STID_HISTORY, "&Zgodovina"
+STID_TOPICS, "&Topics"
STID_ALL_FILES, "Vse datiteke (*.*)"
STID_HELP_FILES_HLP, "Datoteke s pomoèjo (*.hlp)"
}
Index: programs/winhelp/Sk.rc
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winhelp/Sk.rc,v
retrieving revision 1.6
diff -u -u -r1.6 Sk.rc
--- programs/winhelp/Sk.rc 21 Oct 2002 19:18:42 -0000 1.6
+++ programs/winhelp/Sk.rc 21 Oct 2002 19:32:35 -0000
@@ -59,6 +59,7 @@
STID_SEARCH, "&H¾ada"
STID_BACK, "&Spä"
STID_HISTORY, "&História"
+STID_TOPICS, "&Topics"
STID_ALL_FILES, "Všetky súbory (*.*)"
STID_HELP_FILES_HLP, "Súbory pomoci (*.hlp)"
}
Index: programs/winhelp/hlpfile.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winhelp/hlpfile.c,v
retrieving revision 1.17
diff -u -u -r1.17 hlpfile.c
--- programs/winhelp/hlpfile.c 14 Jan 2003 23:43:41 -0000 1.17
+++ programs/winhelp/hlpfile.c 23 May 2003 18:48:39 -0000
@@ -85,7 +85,7 @@
static BOOL HLPFILE_AddParagraph(HLPFILE*, BYTE *, BYTE*, unsigned*);
static void HLPFILE_Uncompress2(const BYTE*, const BYTE*, BYTE*, const BYTE*);
static BOOL HLPFILE_Uncompress3(char*, const char*, const BYTE*, const BYTE*);
-static void HLPFILE_UncompressRLE(const BYTE* src, unsigned sz, BYTE** dst);
+static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE** dst, unsigned dstsz);
static BOOL HLPFILE_ReadFont(HLPFILE* hlpfile);
/***********************************************************************
@@ -523,15 +523,15 @@
{
case 0: /* uncompressed */
if (sz != csz)
- WINE_WARN("Bogus gfx sizes: %u / %u\n", sz, csz);
+ WINE_WARN("Bogus gfx sizes (uncompressed): %u / %u\n", sz, csz);
dst = src;
break;
case 1: /* RunLen */
tmp = dst = HeapAlloc(GetProcessHeap(), 0, sz);
if (!dst) return NULL;
- HLPFILE_UncompressRLE(src, csz, &tmp);
+ HLPFILE_UncompressRLE(src, src + csz, &tmp, sz);
if (tmp - dst != sz)
- WINE_FIXME("Bogus gfx sizes: %u/%u\n", tmp - dst, sz);
+ WINE_FIXME("Bogus gfx sizes (RunLen): %u/%u\n", tmp - dst, sz);
break;
case 2: /* LZ77 */
sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
@@ -539,18 +539,18 @@
if (!dst) return NULL;
HLPFILE_UncompressLZ77(src, src + csz, dst);
if (sz77 != sz)
- WINE_WARN("Bogus gfx sizes: %u / %u\n", sz77, sz);
+ WINE_WARN("Bogus gfx sizes (LZ77): %u / %u\n", sz77, sz);
break;
case 3: /* LZ77 then RLE */
sz77 = HLPFILE_UncompressedLZ77_Size(src, src + csz);
- tmp = HeapAlloc(GetProcessHeap(), 0, sz/*sz77*/);
+ tmp = HeapAlloc(GetProcessHeap(), 0, sz77);
if (!tmp) return FALSE;
HLPFILE_UncompressLZ77(src, src + csz, tmp);
dst = tmp2 = HeapAlloc(GetProcessHeap(), 0, sz);
if (!dst) return FALSE;
- HLPFILE_UncompressRLE(tmp, sz77, &tmp2);
+ HLPFILE_UncompressRLE(tmp, tmp + sz77, &tmp2, sz);
if (tmp2 - dst != sz)
- WINE_WARN("Bogus gfx: %u / %u\n", tmp2 - dst, sz);
+ WINE_WARN("Bogus gfx sizes (LZ77+RunLen): %u / %u\n", tmp2 - dst, sz);
HeapFree(GetProcessHeap(), 0, tmp);
break;
default:
@@ -592,6 +592,9 @@
if (bi->bmiHeader.biBitCount > 32) WINE_FIXME("Unknown bit count %u\n", bi->bmiHeader.biBitCount);
if (bi->bmiHeader.biPlanes != 1) WINE_FIXME("Unsupported planes %u\n", bi->bmiHeader.biPlanes);
bi->bmiHeader.biSizeImage = (((bi->bmiHeader.biWidth * bi->bmiHeader.biBitCount + 31) & ~31) / 8) * bi->bmiHeader.biHeight;
+ WINE_TRACE("planes=%d bc=%d size=(%ld,%ld)\n",
+ bi->bmiHeader.biPlanes, bi->bmiHeader.biBitCount,
+ bi->bmiHeader.biWidth, bi->bmiHeader.biHeight);
csz = fetch_ulong(&ptr);
fetch_ulong(&ptr); /* hotspot size */
@@ -1406,7 +1409,7 @@
wi->style = (flags & 0x0080) ? GET_USHORT(ptr, 84) : SW_SHOW;
wi->sr_color = (flags & 0x0100) ? GET_UINT(ptr, 86) : 0xFFFFFF;
wi->nsr_color = (flags & 0x0200) ? GET_UINT(ptr, 90) : 0xFFFFFF;
- WINE_FIXME("System-Window: flags=%c%c%c%c%c%c%c%c type=%s name=%s caption=%s (%ld,%ld)x(%ld,%ld)\n",
+ WINE_TRACE("System-Window: flags=%c%c%c%c%c%c%c%c type=%s name=%s caption=%s (%ld,%ld)x(%ld,%ld)\n",
flags & 0x0001 ? 'T' : 't',
flags & 0x0002 ? 'N' : 'n',
flags & 0x0004 ? 'C' : 'c',
@@ -1715,7 +1718,8 @@
else
{
len = phrases.offsets[idx + 1] - phrases.offsets[idx];
- memcpy(dst, &phrases.buffer[phrases.offsets[idx]], len);
+ if (dst + len <= dst_end)
+ memcpy(dst, &phrases.buffer[phrases.offsets[idx]], len);
}
}
else if ((*src & 0x03) == 0x01)
@@ -1730,19 +1734,22 @@
else
{
len = phrases.offsets[idx + 1] - phrases.offsets[idx];
- memcpy(dst, &phrases.buffer[phrases.offsets[idx]], len);
+ if (dst + len <= dst_end)
+ memcpy(dst, &phrases.buffer[phrases.offsets[idx]], len);
}
}
else if ((*src & 0x07) == 0x03)
{
len = (*src / 8) + 1;
- memcpy(dst, src + 1, len);
+ if (dst + len <= dst_end)
+ memcpy(dst, src + 1, len);
src += len;
}
else
{
len = (*src / 16) + 1;
- memset(dst, ((*src & 0x0F) == 0x07) ? ' ' : 0, len);
+ if (dst + len <= dst_end)
+ memset(dst, ((*src & 0x0F) == 0x07) ? ' ' : 0, len);
}
dst += len;
}
@@ -1756,27 +1763,37 @@
*
*
*/
-static void HLPFILE_UncompressRLE(const BYTE* src, unsigned sz, BYTE** dst)
+static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE** dst, unsigned dstsz)
{
- unsigned i;
BYTE ch;
+ BYTE* sdst = *dst + dstsz;
- for (i = 0; i < sz; i++)
+ while (src < end)
{
- ch = src[i];
+ ch = *src++;
if (ch & 0x80)
{
ch &= 0x7F;
- memcpy(*dst, src + i + 1, ch);
- i += ch;
+ if (ch == 0) WINE_FIXME("Null length 1, next is %u\n", *src);
+ if ((*dst) + ch < sdst)
+ memcpy(*dst, src, ch);
+ src += ch;
}
else
{
- memset(*dst, (char)src[i + 1], ch);
- i++;
+ if ((*dst) + ch < sdst)
+ memset(*dst, (char)*src, ch);
+ src++;
+ if (ch == 0)
+ {
+ WINE_FIXME("Null length 2, next is %u\n", *src);
+ }
}
*dst += ch;
}
+ if (*dst != sdst)
+ WINE_FIXME("Buffer X-flow: d(%u) instead of d(%u)\n",
+ *dst - (sdst - dstsz), dstsz);
}
/******************************************************************
Index: programs/winhelp/winhelp.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/programs/winhelp/winhelp.c,v
retrieving revision 1.25
diff -u -u -r1.25 winhelp.c
--- programs/winhelp/winhelp.c 8 Jan 2003 21:09:25 -0000 1.25
+++ programs/winhelp/winhelp.c 23 May 2003 16:35:25 -0000
@@ -91,9 +91,10 @@
if (!name || !name[0])
name = Globals.active_win->lpszName;
- for (i = 0; i < hlpfile->numWindows; i++)
- if (!strcmp(hlpfile->windows[i].name, name))
- return &hlpfile->windows[i];
+ if (hlpfile)
+ for (i = 0; i < hlpfile->numWindows; i++)
+ if (!strcmp(hlpfile->windows[i].name, name))
+ return &hlpfile->windows[i];
if (strcmp(name, "main") != 0)
{
@@ -196,9 +197,12 @@
/* Create primary window */
WINHELP_RegisterWinClasses();
- hlpfile = WINHELP_LookupHelpFile(cmdline);
- if (!hlpfile)
- return 0;
+ if (*cmdline)
+ {
+ hlpfile = WINHELP_LookupHelpFile(cmdline);
+ if (!hlpfile) return 0;
+ }
+ else hlpfile = NULL;
WINHELP_CreateHelpWindowByHash(hlpfile, lHash,
WINHELP_GetWindowInfo(hlpfile, "main"), show);
@@ -285,33 +289,60 @@
if (wh)
{
+ char* ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
+
WINE_TRACE("Got[%u]: cmd=%u data=%08lx fn=%s\n",
- wh->size, wh->command, wh->data,
- wh->ofsFilename ? (LPSTR)wh + wh->ofsFilename : "");
+ wh->size, wh->command, wh->data, ptr);
switch (wh->command)
{
+ case HELP_CONTEXT:
+ if (ptr)
+ {
+ MACRO_JumpContext(ptr, "main", wh->data);
+ }
+ break;
case HELP_QUIT:
MACRO_Exit();
break;
- case HELP_FINDER:
- /* in fact, should be the topic dialog box */
- if (wh->ofsFilename)
+ case HELP_CONTENTS:
+ if (ptr)
{
- MACRO_JumpHash((LPSTR)wh + wh->ofsFilename, "main", 0);
+ MACRO_JumpContents(ptr, "main");
}
break;
- case HELP_CONTEXT:
+ case HELP_HELPONHELP:
+ MACRO_HelpOn();
+ break;
+ /* case HELP_SETINDEX: */
case HELP_SETCONTENTS:
- case HELP_CONTENTS:
+ if (ptr)
+ {
+ MACRO_SetContents(ptr, wh->data);
+ }
+ break;
case HELP_CONTEXTPOPUP:
- case HELP_FORCEFILE:
- case HELP_HELPONHELP:
- case HELP_KEY:
- case HELP_PARTIALKEY:
- case HELP_COMMAND:
- case HELP_MULTIKEY:
- case HELP_SETWINPOS:
- WINE_FIXME("NIY\n");
+ if (ptr)
+ {
+ MACRO_PopupContext(ptr, wh->data);
+ }
+ break;
+ /* case HELP_FORCEFILE:*/
+ /* case HELP_CONTEXTMENU: */
+ case HELP_FINDER:
+ /* in fact, should be the topic dialog box */
+ if (ptr)
+ {
+ MACRO_JumpHash(ptr, "main", 0);
+ }
+ break;
+ /* case HELP_WM_HELP: */
+ /* case HELP_SETPOPUP_POS: */
+ /* case HELP_KEY: */
+ /* case HELP_COMMAND: */
+ /* case HELP_PARTIALKEY: */
+ /* case HELP_MULTIKEY: */
+ /* case HELP_SETWINPOS: */
+ WINE_FIXME("Unknown command (%x) for remote winhelp control\n", wh->command);
break;
}
}
@@ -478,6 +509,7 @@
MACRO_ExecuteMacro(macro->lpszMacro);
}
+ win->histIndex = win->backIndex = 0;
/* Reuse existing window */
if (!bPopup)
{
@@ -488,13 +520,13 @@
return WINHELP_ReuseWindow(win, oldwin, page, nCmdShow);
}
}
-
- win->histIndex = win->backIndex = 1;
- win->history[0] = win->back[0] = page;
- page->file->wRefCount += 2;
+ if (page)
+ {
+ win->histIndex = win->backIndex = 1;
+ win->history[0] = win->back[0] = page;
+ page->file->wRefCount += 2;
+ }
}
- else
- win->histIndex = win->backIndex = 0;
hWnd = CreateWindow(bPopup ? TEXT_WIN_CLASS_NAME : MAIN_WIN_CLASS_NAME,
wi->caption, wi->win_style,
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