[Bug libc/12019] memchr overshoots on Alpha

["eblake at redhat dot com" <sourceware-bugzilla@sourceware.org>]

------- Additional Comments From eblake at redhat dot com  2010-09-15 13:41 -------
Andreas: this is NOT an invalid use of memchr.  Reread the Austin Group ruling
on memchr, http://www.opengroup.org/austin/docs/austin_454.txt, which I linked
to in the original post:

"A number of changes were agreed as follows

Change p1284 lines 42163-42164
In the DESCRIPTION remove "of the object" from

The memchr( ) function shall locate the first occurrence of c (converted
to an unsigned char) in the initial n bytes (each interpreted as unsigned
char) of the object pointed to by s.

In the RETURN VALUE section

The memchr( ) function shall return a pointer to the located byte,
or a null pointer if the byte does not occur in the object.

to
The memchr( ) function shall return a pointer to the located byte,
or a null pointer if the byte is not found.

Add to DESCRIPTION
Implementations shall behave as if they read the memory byte by byte
from the beginning of the bytes pointed to by s and stop at the first
occurrence of c."

Also, see http://sourceware.org/bugzilla/show_bug.cgi?id=11230, where the same
bug was fixed for IA64 for the same reason.



-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=12019

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