https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101440
Bug ID: 101440
Summary: Documentation bug for __attribute__ ((access))
Product: gcc
Version: 10.1.0
URL: https://gcc.gnu.org/onlinedocs/gcc-10.1.0/gcc/Common-F
unction-Attributes.html
Status: UNCONFIRMED
Keywords: documentation
Severity: normal
Priority: P3
Component: d
Assignee: ibuclaw at gdcproject dot org
Reporter: SztfG at yandex dot ru
Target Milestone: ---
>From documentation:
> Examples of the use of the read_only access mode is the argument to the puts
> function, or the second and third arguments to the memcpy function.
> __attribute__ ((access (read_only, 1, 2))) void* memcpy (void*, const void*,
> size_t);
There is no reference to "third argument in memcpy function". Or I don't
understand something? Maybe there must be
__attribute__ ((access (write_only, 1, 3), access (read_only, 2, 3))) void*
memcpy (void* restrict, const void* restrict, size_t);
so, if we have
void *memcpy(void *dest, const void *src, size_t n);
then this function can write "size_t n" bytes to "void *dest" and read "size_t
n" bytes from "void *src"
