"_doprnt" query

Doug Gwyn <gwyn> gwyn at brl-tgr.ARPA
Sat Dec 21 08:25:47 AEST 1985


> > > I am trying to get a screen editor working on my Fortune 32:16 system.  It
> > > keeps crashing in the routine "_doprnt" (giving me a memory addressing error).
> > > I can't seem to find any documentation on it.
> > 
> > _doprnt() is used internally by the printf() family of functions.
> > One common cause of crashes in it is passing a bum pointer for a
> > %s format spec, or not having the correct number of arguments.
> 
> A common missuse of scanf and sprintf, is calling by value and
> not by address. The target variable should be called by address.

All the printf family are called by value.
What you say is try for scanf family usage errors, though.



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