http://sourceware.org/bugzilla/show_bug.cgi?id=13606
Bug #: 13606
Summary: windres bug: "TOOLBAR" resource compiled wrong;
version field missing, ints for WORDs => struct layout
wrong
Product: binutils
Version: 2.21
Status: NEW
Severity: normal
Priority: P2
Component: binutils
AssignedTo: unassig...@sourceware.org
ReportedBy: kxrobe...@gmail.com
Classification: Unclassified
windres.exe omits the version 0x0001 at the beginning of the struct data, uses
32bit values for all (16bit) WORD's it seems and thus all fields of
CToolBarData are somehow shifted/bogus => wWidth becomes 0 => this causes an
app crash later with IDIV zero division error somewhere deep in MFC during
toolbarobj.LoadToolBar()
GNU windres (GNU Binutils) 2.21.1
win32 (32bit)
someresource.rc :
========================
1200 TOOLBAR 21, 20
{
BUTTON 7003
...
BUTTON 7057
}
========================
correct RC.exe compiled resource:
>>> win32api.LoadResource(hg, 241, 1200) # 241=RT_TOOLBAR
'\x01\x00\x15\x00\x14\x00\x1a\x00[\x1bX\x1bY\x1bZ\x1b\x00\x00b\x1bc\x1bd\x1b\x00\x00\\\x9c_\x1b`\x1b\x00\x00\x84\x1c\x00\x00D\x1f]\x1b^\x1b\x00\x00\x8a\x1b\x9e\x1b
\x1c\x00\x00\x8c\x1b\x93\x1b\x91\x1b'
windres compiled:
>>> win32api.LoadResource(hg, 241,1200)
'\x15\x00\x00\x00\x14\x00\x00\x00\x1a\x00\x00\x00[\x1b\x00\x00X\x1b\x00\x00Y\x1b\x00\x00Z\x1b\x00\x00\x00\x00\x00\x00b\x1b\x00\x00c\x1b\x00\x00d\x1b\x00\x00\x00\x00\x00\x00\\\x9c\x00\x00_\x1b....................'
(wrong length because wItemCount wrong too!)
This is the original MS struct definition (BARTOOL.CPP in MFC/src):
struct CToolBarData
{
WORD wVersion;
WORD wWidth;
WORD wHeight;
WORD wItemCount;
//WORD aItems[wItemCount]
WORD* items()
{ return (WORD*)(this+1); }
};
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