OK, so I've compiled again with -g flag, and run it through gdb. The
problem occurs in eType SSRecord::GetType () because m_pBuffer is
null. I found the other private data defined in SSRecord.h and
printed them:
(gdb) print m_Header
$8 = {
size = 0,
type = "\000",
checksum = 0
}
(gdb) print m_pBuffer
$9 = (byte *) 0x0
(gdb) print m_FileImpPtr
$10 = {
px = 0xd01390,
pn = {
pi_ = 0xd013b0
}
}
(gdb) print m_Header
$11 = {
size = 0,
type = "\000",
checksum = 0
}
(gdb) print m_pBuffer
$12 = (byte *) 0x0
(gdb) print m_Len
$13 = 0
(gdb) print m_Offset
$14 = 52
(gdb) print m_FileImpPtr
$15 = {
px = 0xd01390,
pn = {
pi_ = 0xd013b0
}
}
Good fun, I've never done this before! Can't see straight away why
this happens, though. Any ideas?
Thanks,
- Marcel
On 01/03/2007, at 10:59 AM, Dirk wrote:
$ od -N 50 -a -H dummy/data/names.dat
0000000 P nul nul nul H N a2 J nul nul nul nul nul nul
nul nul
50000000 484ea24a 00000000
00000000
0000020 nul nul nul nul nul nul nul nul db cd soh nul nul nul
nul nul
00000000 00000000 dbcd0100
00000000
0000040 nul nul nul nul nul nul nul nul nul nul nul nul nul nul
nul nul
00000000 00000000 00000000
00000000
*
0000060
So the names.dat does have the "HN" magic in it (not sure if it's
in the right spot or not). I'm stuck now, what else can I do?
All in all this looks ok to me. It must have to do with the
compilation you used. Perhaps some structure misalignment. Can you
run the ssphys command within the debugger? Please try to step
through the function SSRecordFile* SSRecordFile::MakeFile (const
std::string& fileName) in SSFiles.cpp. the first try catch block
should return a valid record. Please check that record.
Dirk
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