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| From | James Kuyper <jameskuyper@verizon.net> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: memset extensions |
| Date | 2015-11-11 11:24 -0500 |
| Organization | Self |
| Message-ID | <56436BC3.4010607@verizon.net> (permalink) |
| References | <n1v3pk$967$1@dont-email.me> <n1vj28$ush$3@dont-email.me> |
On 11/11/2015 09:30 AM, Les Cargill wrote:
> jacobnavia wrote:
>> void *memset(void *srcPtr,unsigned char value,size_t size);
>>
>> I want to add extensions to it:
>>
>> void memset16( void *srcPtr, int16_t value, size_t size);
>> void memset32( void *srcPtr, int32_t value, size_t size);
>> void memset64( void *srcPtr, int64_t value, size_t size);
>> void memset128(void *srcPtr, int128_t value, size_t size);
>>
>> Are the names OK? Or it would be better to just
>>
>> void memsetShort(...);
>> void memsetInt(...);
>> void memsetLongLong(...);
>> void memset128(...);
>>
>> Microsoft has this functions as RTLFillMemory. I do not know if other
>> compilers support anything like this.
>>
>> What do you think?
>
>
> It sounds like a complete waste of time. But if you insist:
>
> #define memset16(a,b,c) memset(a,b,(c*2))
He hasn't specified what these functions do, but I doubt that
memset(a,b,(c*2)) is the intended behavior. My best guess is something
like the following:
void memset16( void *srcPtr, int16_t value, size_t size)
{
int16_t *destPtr = srcPtr;
while(size--)
*destPtr++ = value;
}
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memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 11:05 +0100
Re: memset extensions Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-11-11 11:08 +0100
Re: memset extensions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-11 04:56 -0800
Re: memset extensions Philipp Klaus Krause <pkk@spth.de> - 2015-11-11 13:39 +0100
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 17:34 +0100
Re: memset extensions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-11 17:22 +0000
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 21:19 +0100
Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 12:51 -0800
Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 16:01 -0500
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 22:03 +0100
Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 13:19 -0800
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 22:45 +0100
Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 16:51 -0500
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 23:01 +0100
Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 17:29 -0500
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 23:36 +0100
Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 15:00 -0800
Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 16:48 -0500
Re: memset extensions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-11 22:15 +0000
Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 08:05 -0500
Re: memset extensions Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-11 08:31 -0500
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 17:34 +0100
Re: memset extensions Les Cargill <lcargill99@comcast.com> - 2015-11-11 08:30 -0600
Re: memset extensions Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-11 09:48 -0500
Re: memset extensions gwowen <gwowen@gmail.com> - 2015-11-11 07:55 -0800
Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 11:24 -0500
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 17:32 +0100
Re: memset extensions Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-11 11:44 -0500
Re: memset extensions raltbos@xs4all.nl (Richard Bos) - 2015-11-17 22:53 +0000
Re: memset extensions supercat@casperkitty.com - 2015-11-17 15:37 -0800
Re: memset extensions raltbos@xs4all.nl (Richard Bos) - 2015-11-20 11:27 +0000
Re: memset extensions supercat@casperkitty.com - 2015-11-20 08:45 -0800
Re: memset extensions supercat@casperkitty.com - 2015-11-11 08:25 -0800
Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 09:09 -0800
Re: memset extensions supercat@casperkitty.com - 2015-11-11 09:18 -0800
Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 10:57 -0800
Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 21:17 +0100
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