eb8312a22a
Historically these input functions just called strtoul or strtoull and returned the result, with no error detection whatever. Upgrade them to reject garbage input and out-of-range values, similarly to our other numeric input routines. To share the code for this with type oid, adjust the existing "oidin_subr" to be agnostic about the SQL name of the type it is handling, and move it to numutils.c; then clone it for 64-bit types. Because the xid types previously accepted hex and octal input by reason of calling strtoul[l] with third argument zero, I made the common subroutine do that too, with the consequence that type oid now also accepts hex and octal input. In view of 6fcda9aba, that seems like a good thing. While at it, simplify the existing over-complicated handling of syntax errors from strtoul: we only need one ereturn not three. Discussion: https://postgr.es/m/3526121.1672000729@sss.pgh.pa.us
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