[Coco] "C string searching question

Retro Canada retrocanada76 at gmail.com
Tue Oct 2 01:13:05 EDT 2012


use strcmp compare the result to 0. 0 means equal

but the performance of your alrgorithm is bad O(x^2) this pretty means 

Sent from my iPhone

On 2012-10-02, at 1:06 AM, Bill Pierce <ooogalapasooo at aol.com> wrote:

> 
> Mark,
> I just did some searching through klib.l manual and the string functions there are:
> 
> strcat, strucat, strncat, strcmp, strucmp, strncmp, struncmp, strcpy, strucpy, strncpy, strlen, strchr, strrchr, strpbrk, strspn, strcspn, strtok, strclr, strend, reverse, pwcryp, index, rindex
> 
> there's no strstr.
> 
> Bill P
> 
> Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Bill Pierce
> ooogalapasooo at aol.com
> 
> 
> 
> 
> -----Original Message-----
> From: Mark McDougall <msmcdoug at iinet.net.au>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Tue, Oct 2, 2012 12:37 am
> Subject: Re: [Coco] "C string searching question
> 
> 
> On 2/10/2012 2:01 PM, Bill Pierce wrote:
> 
>> <I don't suppose you have access to library functions like strlen() and
>> <strchr() and strstr() in that context, do you?
>> 
>> Yes, they are supported. 
> 
> Replace the inner loop with:
>  if (strstr (records[cnt].recname, srchstr))
> 
> Regards,
> 
> -- 
> |              Mark McDougall                | "Electrical Engineers do it
> |  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"
> 
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