[OT] Re: Why Is Escaping Data Considered So Magical?

[Jorgen Grahn]

On Wed, 2010-06-30, Michael Torrie wrote:
> On 06/29/2010 10:17 PM, Michael Torrie wrote:
>> On 06/29/2010 10:05 PM, Michael Torrie wrote:
>>> #include <stdio.h>
>>>
>>> int main(int argc, char ** argv)
>>> {
>>> 	char *buf = malloc(512 * sizeof(char));
>>> 	const int a = 2, b = 3;
>>> 	snprintf(&buf, sizeof buf, "%d + %d = %d\n", a, b, a + b);
>>                        ^^^^^^^^^^
>> Make that 512*sizeof(buf)
>
> Sigh.  Try again.  How about "512 * sizeof(char)" ?  Still doesn't make
> a different.  The code still crashes because the &buf is incorrect.

I haven't tried to understand the rest ... but never write
'sizeof(char)' unless you might change the type later. 'sizeof(char)'
is by definition 1 -- even on odd-ball architectures where a char is
e.g. 16 bits.

/Jorgen

-- 
  // Jorgen Grahn <grahn@  Oo  o.   .  .
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