On 03/05/2013 09:37 PM, Μάριος Φραγκούλης wrote:
I have not tapped the VVA_ONLY() definition.
NDEBUG is included in the compilation options
I use. Even if it wasn't included, SQLITE_DEBUG is not
defined so SQLite would define NDEBUG in
this case (if I understand correctly).
If I understand correctly that's a problem. mem1.zMalloc is
initialized to zero inside a VVA_ONLY() macro. So if NDEBUG
is defined mem1.zMalloc will never be initialized.
It may be of interest that I have tapped some
#if and #ifdef because of compiler complaints.
For example, a function was called after checking
that a compile option was defined, but the function
definition itself would happen either way. Thus the compiler
complained about unused functions.
Also, I had to wrap a couple of assertions with TESTONLY() or
VVA_ONLY() (I noticed that this is done elsewhere in the source code)
because the compiler complained about
undeclared variables. The assertion that fails is not among those.
I am using SQLite 3.6.22 .
Thanks for taking the time to help me out.
2013/3/5 Dan Kennedy <danielk1...@gmail.com>
On 03/05/2013 07:19 PM, Μάριος Φραγκούλης wrote:
Hi All,
I have compiled SQLite as part of a Linux kernel module
(Linux version 3.2.0.35-generic)
having set SQLITE_OMIT_FLOATING_POINT,
SQLITE_THREADSAFE=0, SQLITE_OMIT_LOAD_EXTENSION,
SQLITE_OMIT_BUILTIN_TEST and NDEBUG.
I have configured SQLite to operate in-memory at all times by setting
:memory: as database name and by turning off the main and temp
journals.
SQLite behaves as expected but /var/log/syslog registers
mem1.zMalloc == 0 assertion failures during queries.
At the assertion point in sqlite3.c it is documented that mem1 is never
malloced, hence the assertion. However, browsing the code
I see various places where zMalloc is indeed set.
Am I missing sth?
If zMalloc is never malloced, are there any ideas
about the root cause?
Did the VVA_ONLY() macro get defined correctly? Was NDEBUG
defined at build time?
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