On Sun, 2009-11-01 at 19:53 +0100, Matthias Klose wrote: > On 25.10.2009 19:55, Kees Cook wrote: [...] > > - makes more work for dealing with warnings. > > Rebuttal: those warnings are there for a reason -- they can > > be real security issues, and should be fixed. > > there are some functions in glibc which are questionably declared with the > "warn > about unused result" attribute (fwrite*). This seems to force a programming > style which not everybody agrees with (having to check the return value after > each operation instead of checking errno later). [...]
In general you cannot rely on checking errno because it is not defined
whether a successful operation clears it.
Ben.
--
Ben Hutchings
The generation of random numbers is too important to be left to chance.
- Robert Coveyou
signature.asc
Description: This is a digitally signed message part
