Neil Conway wrote:

> Per C99, a sequence point occurs between the evaluation of
> the arguments to a function and the call of the function itself.
> Therefore a sequence point occurs before the call to libpq_gettext(). So
> ISTM having libpq_gettext() preserve errno should work.

In C99, at least.  But that's not the dialect postgres is written in; even
gcc 4.0 leaves C99 support turned off by default.

Does anyone know what the situation is in C89, or whatever the applicable
standard is?


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