Where is strnlen() ?

[James Housley]

Thordur Ivar B. wrote:
> While porting software from a friend wich was developed under Linux, I stumbled
> upon an error: src/socket.c:236: warning: implicit declaration of function
> `strnlen'
> 
> Now my programming experience is nothing to brag about but I wonder why strnlen
> is not a part of FreeBSD's libc. I think that the use of strlen() insted of
> strnlen() could resault in buffer-overflow risks and my fellows (most of them
> are more experienced in the art of programming say that bounds checking is
> always good.) 
> 

I see one small, specialiezed use.  That is in a structure were a string 
for max length doesn't get the terminator, this would prevent reading 
throught the rest of the data to find a null somewhere.

Jim

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