[Issue 7872] dmd should warn if `printf` is used on D strings

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7872


bearophile_hugs at eml.cc changed:

           What    |Removed                     |Added
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                 CC|                            |bearophile_hugs at eml.cc


--- Comment #1 from bearophile_hugs at eml.cc 2012-04-09 09:36:00 PDT ---
(In reply to comment #0)
> string foo = "john";
> printf("hello %s\n", foo);
> 
> doesn't work because `printf` expects a zero-terminated string.
> 
> The compiler should really yield a warning here.

In D string literals are zero-terminated. So this run correctly:

import core.stdc.stdio;
void main() {
    string foo = "john";
    printf("hello %s\n", foo.ptr);
}

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