Re: NSApplicationMain const warning
Re: NSApplicationMain const warning
- Subject: Re: NSApplicationMain const warning
- From: Robert Kuilman <email@hidden>
- Date: Thu, 6 May 2004 16:34:13 +0200
Okay, but what is the exact solution to this problem?
I've been casting pointers like crazy, but that didn't help at all...
With Kind Regards,
Robert K.
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On May 5, 2004, at 9:43 PM, Reni Puls wrote:
Am 05.05.2004 um 20:19 schrieb Allan Odgaard:
On 5. May 2004, at 17:48, Reni Puls wrote:
So NSApplicationMain requires 'argv' to be an array of const char
pointers. Why does it matter if I pass it a non-const array? It's
not like I am forcing the function to modify the strings--if it
wants to consider them constant, that is fine with me. Shouldn't the
C compiler silently ignore this?
No it should not! :) The problem is that NSApplicationMain takes an
array of constant strings, but the array itself is not const, so it
could do this:
[...]
Okay, let's see if I understood this correctly: The basic problem is
that NSApplicationMain, with its current declaration, could assign a
char const * to one of my argvs, which it couldn't do if argv were an
array of char *. (Because assigning a char const * to a char *
variable would result in a warning, or perhaps even an error.)
I hadn't thought of that, but it makes sense. Thanks everyone for
explaining this. Sometimes C is much more complicated than it looks.
;-)
Kind regards,
Reni Puls
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