Ranier Vilela <ranier...@gmail.com> writes:
> 3. Avoid use of type *long*, it is very problematic with 64 bits.
> Windows 64 bits, long is 4 (four) bytes.
> Linux 64 bits, long is 8 (eight) bytes.

Agreed.

> 4. Avoid C99 style declarations
>     for(unsigned long i = 0;)
> Prefer:
>    size_t i;
>    for(i = 0;)
> Helps backpatching to C89 versions.

It seems unlikely that we'd consider back-patching this into pre-C99
branches, so I see no reason not to use C99 loop style.  (But do
keep in mind that we avoid most other C99-isms, such as intermixed
decls and code.)

                        regards, tom lane


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