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. . .
\X/ snipabacken.se> O o .
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