Re: selfmade datatype in C and server-crash

Markus Schulz <msc(at)antzsystem(dot)de> writes:
> here is the etextin code:(cut'n'paste from adt/varlena.c Code)

> Datum
> etextin(PG_FUNCTION_ARGS)
> {
> char *inputText = PG_GETARG_CSTRING(0);
> text *result;
> int len=0;

> /* verify encoding */
> len = strlen(inputText);
> pg_verifymbstr(inputText, len, false);

> result = (text *) palloc(len + VARHDRSZ);
> VARATT_SIZEP(result) = len + VARHDRSZ;

> memcpy(VARDATA(result), inputText, len);

> PG_RETURN_TEXT_P(result);
> }

That code looks fine as far as it goes. I think you forgot to add a
PG_FUNCTION_INFO_V1() macro; which means the system is calling this with
the wrong argument layout.

regards, tom lane