Re: Total Newbie Backward Compat Question

Anand Hariharan <mailto.anand.hariharan@[EMAIL PROTECTED]
> writes:

> On Mar 13, 12:43 am, Hal Vaughan <h...@[EMAIL PROTECTED]
> wrote:
>> Richard Heathfield wrote:
>>
> (...)
>> > But man wanna use strncpy or strtok or using namespace std, I tell
him
>> > good luck, here's how it works, here are the gotchas to watch out
for, be
>> > careful out there.
>>
>> What are the issues with strncpy or strtok and what would people tend
to use
>> instead?
>>
>
> If the length of the string being copied exceeds the size sent as
> input to strncpy, the destination string is not terminated by a null
> character.

Additionally, if the specified n is much larger than the source
string, then strncpy() will actually fill _all_ the extra space with
zeroes. I don't find this functionality terribly useful.

> strtok is not thread-safe.

And also modifies the buffer containing the tokens, which can be a
problem if it's not what you're expecting (or are trying to use a
string literal).

-- 
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer...
http://micah.cowan.name/