On 3/28/13 1:50 PM, Nicholas Leippe wrote:
> On Thu, Mar 28, 2013 at 12:40 PM, Sasha
> Pachev<sasha-cdsC3/u4GK9Wk0Htik3J/[email protected]> wrote:
Does installing a signal handler disqualify?
# sig.cpp
#include <signal.h>
#include <stdio.h>
void sigfpe(int sig)
{
printf("Hello World\n");
signal(SIGFPE,NULL);
}
int main()
{
int a,b;
signal(SIGFPE, &sigfpe);
a=b/0;
return 0;
}
> ./sig
Hello World
Floating point exception: 8
>>
>> can you make the following C code print "Hello, world" on a
>> reasonable Unix platform by adding some actual code before it:
>>
>> a = b/0;
>>
>> ?
>
> printf("%s", "Hello, world!");
> fflush(NULL);
> a = b/0;
>
> prints it, but still causes a floating point exception. Did you
> specify this must be avoided? Deleting the div by zero line seems the
> better solution. :)
>
> I did notice the 1 bit difference between 43 and 11, but forgot you
> could declare specifically sized bit fields in C. I'm a bit rusty.
>
> /*
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>
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