Subj : Re: subset function for string in c++
To   : comp.programming
From : Ben Pfaff
Date : Wed Sep 28 2005 12:12 pm

"puzzlecracker" <ironsel2000@gmail.com> writes:

> basically, I need to find out wether charecters in string a are subset
> of string b.. 
>
> example 
>
> a: rx   b:rwx 
> that shall return true.

/* Returns true if A is a subset of B, false otherwise. */
bool
is_subset (const char *a, const char *b) {
        return a[strspn (a, b)] == '\0';
}
-- 
"Writing is easy.
 All you do is sit in front of a typewriter and open a vein."
--Walter Smith

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