>My program crash with core dump if compiled without "-fexternal-templates"
>But it happens only when PgEnv used like
>PgEnv env("",host_name,...
>that is with explicit constructor.
Strange indeed. GNU's implementation of string class is not
the greatest and it tends to crash in the most unexpected
situations. There are some tricks, however, you can use
to prevent that. I'll double-check the code and see if
there anything can be done to prevent the crashes.
>In my distribution (postgresql-6.1.tar.gz) src/libpq++/example/* are not ever
>contain PgEnv word. But I indeed need of PgEnv(...) because it is more
>suitable than dinamical changing environment on various hosts
I'll check the examples. Basically, there is not much to the PgEnv's
usage: it is simply a storage class for the Postgres environment.
It stores either default parameters or whatever you send to it.
There is just the constructor call and that's it. All the other
methods are simply accessors.
>May be there are some special tricks when gdb is used for templates
>classes calls tracing?
I am not aware of any. I can't consider myself an expert on gdb,
so if anyone has some hints, I'll gladly listen to them.
Leo
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