🚀 go-pugleaf

>> However, errno is an lvalue, and the object designated by this lvalue
>> is definitely accessible.
>
>But "the object" may be a different object at a different time.
>
>> So, ISO 7.6.2.1 applies.
>
>So, it doesn't.

Even if it is a different object at a different time, this should be
transparent to a conforming program.  Consider this example:

#imclude <errno.h>
#include <stdlib.h>

void blah(int i)
{ 
    errno = i;
}

int main(void)
{
    int i = 3;
    blah(i);
    if (i == errno) return EXIT_SUCCESS;
    return EXIT_FAILURE;
}

Is this code allowed to return an unsuccessful termination status to
the host environment?

Dan
--
Dan Pop
CERN, CN Division
Email: danpop@mail.cern.ch 
Mail:  CERN - PPE, Bat. 31 R-004, CH-1211 Geneve 23, Switzerland