Re: Are bad developer libraries the problem with M$ software?

Jason Lunz <lunz@falooley.org> writes:

> mikal@stillhq.com said:

That's also true of some other C libraries, e.g., glibc before 2.1. The "return the needed size" is new in C99's specification of sprintf() as far as I know. C90 did not have sprintf() at all.

Myself, I code defensively around this. It's not hard to write code that can handle either form of return value. If a value as large as your buffer size or larger is returned, reallocate your buffer exactly and try again; if -1 is returned, double (or whatever) the buffer size and try again; otherwise, everything's fine.

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