Stefan Esser wrote:
The whole discussion about memcpy beeing faster than memmove is
completely pointless. [..]
Agreed.
Cheers,
Michael
--
PHP Internals - PHP Runtime Development Mailing List
To unsubscribe, visit: http://www.php.net/unsub.php
Michael Walter wrote:
Well, surely memmove() needs an additional branch to check for
overlapping, though (the OP was wrong in that memmove() would need a
temporary buffer, though - it doesn't, it usually copies from high
addres to low in the overlapping case).
The whole discussion about memcpy b
Well, surely memmove() needs an additional branch to check for
overlapping, though (the OP was wrong in that memmove() would need a
temporary buffer, though - it doesn't, it usually copies from high
addres to low in the overlapping case).
Cheers,
Michael
George Schlossnagle wrote:
On Jun 12, 20
On Jun 12, 2004, at 10:27 AM, Alexander Valyalkin wrote:
On Fri, 11 Jun 2004 17:00:03 +0200 (CEST), Derick Rethans
<[EMAIL PROTECTED]> wrote:
On Fri, 11 Jun 2004, Alexander Valyalkin wrote:
Read it:
void *memmove(void *s1, const void *s2, size_t n);
If s1 and s2 overlap, all bytes are copied in a
On Fri, 11 Jun 2004 10:55:20 -0400, Ilia Alshanetsky <[EMAIL PROTECTED]>
wrote:
Read your memcpy manpages
"The memcpy() function copies n bytes from memory area src to memory
area dest. The memory areas may not overlap."
Well, I've read my manpages:
The memcpy() function copies n bytes
On Fri, 11 Jun 2004 17:00:03 +0200 (CEST), Derick Rethans <[EMAIL PROTECTED]>
wrote:
On Fri, 11 Jun 2004, Alexander Valyalkin wrote:
Read it:
void *memmove(void *s1, const void *s2, size_t n);
If s1 and s2 overlap, all bytes are copied in a preserving manner
(unlike
memcpy())
And anwer the qu
On Fri, 11 Jun 2004, Alexander Valyalkin wrote:
>
> Read it:
> void *memmove(void *s1, const void *s2, size_t n);
> If s1 and s2 overlap, all bytes are copied in a preserving manner (unlike
> memcpy())
>
> And anwer the question: are s1 and s2 overlap in the str_repeat() ?
> Why don't use memcpy()
Read your memcpy manpages
"The memcpy() function copies n bytes from memory area src to memory
area dest. The memory areas may not overlap."
Ilia
On June 11, 2004 10:50 am, Alexander Valyalkin wrote:
> Read it:
> void *memmove(void *s1, const void *s2, size_t n);
> If s1 and s2 overlap,
Read it:
void *memmove(void *s1, const void *s2, size_t n);
If s1 and s2 overlap, all bytes are copied in a preserving manner (unlike
memcpy())
And anwer the question: are s1 and s2 overlap in the str_repeat() ?
Why don't use memcpy() instead of memmove() ?
===cut=
--- string
