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winhlp32: Fix some images not shown in certain 16-bit help files. 

Subfiles with bitmap images are usually prefixed with '|', but sometimes not.

Signed-off-by: Jean-Christophe Cardot <wine@cardot.net>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jean-Christophe Cardot 2016-04-15 12:08:03 +02:00 committed by Alexandre Julliard
parent 886875f01e
commit 91f89b4f96
1 changed files with 12 additions and 0 deletions
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12
programs/winhlp32/hlpfile.c
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@ -507,6 +507,18 @@ static BOOL HLPFILE_FindSubFile(HLPFILE* hlpfile, LPCSTR name, BYTE **subbuf, BY
WINE_TRACE("looking for file '%s'\n", name);
ptr = HLPFILE_BPTreeSearch(hlpfile->file_buffer + GET_UINT(hlpfile->file_buffer, 4),
name, comp_FindSubFile);
if (!ptr)
{ /* Subfiles with bitmap images are usually prefixed with '|', but sometimes not.
Unfortunately, there is no consensus among different pieces of unofficial
documentation. So remove leading '|' and try again. */
CHAR c = *name++;
if (c == '|')
{
WINE_TRACE("not found. try '%s'\n", name);
ptr = HLPFILE_BPTreeSearch(hlpfile->file_buffer + GET_UINT(hlpfile->file_buffer, 4),
name, comp_FindSubFile);
}
}
if (!ptr) return FALSE;
*subbuf = hlpfile->file_buffer + GET_UINT(ptr, strlen(name)+1);
if (*subbuf >= hlpfile->file_buffer + hlpfile->file_buffer_size)