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Re: Ping[3]: [PATCH][BZ #11741] printf should return negative valueon I/O error


On Fri, 16 Nov 2012 00:21:13 -0500, Carlos wrote:
> No, we don't need to retain the C++ semantics, but we need to adjust
> the comments in the libio headers to mention this and comment on the
> differences between ISO C++ and what we have implemented here.

OK, how about this for now:

diff --git a/libio/libioP.h b/libio/libioP.h
index a280052..fe81115 100644
--- a/libio/libioP.h
+++ b/libio/libioP.h
@@ -25,6 +25,14 @@
    This exception applies to code released by its copyright holders
    in files containing the exception.  */
 
+/* NOTE: libio is now exclusively used only by glibc since libstdc++ has its
+   own implementation.  As a result, functions that were implemented for C++
+   (like *sputn) may no longer have C++ semantics.  This is of course only
+   relevant for internal callers of these functions since these functions are
+   not intended for external use otherwise.
+
+   FIXME: All of the C++ cruft eventually needs to go away.  */
+
 #include <errno.h>
 #ifndef __set_errno
 # define __set_errno(Val) errno = (Val)


I'll put this in as a separate patch once you ack the earlier patch and
the wording above is OK..


Siddhesh


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