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Quote:

Somebody sure put a lot of faith that the order of evaluation, especially short-circuit evaluation, would remain the same across compilers!

#include <stdio.h>

int testf(int rv, int a) {
    return rv;
}

int main()
{

    int value = 0;
    for (int i = 0; i < 16; i++) {
        printf("%2x = ", value);
        int a = 0;
        if (value & 8) printf("T"); else printf("F");
        if (value & 4) printf("T"); else printf("F");
        if (value & 2) printf("T"); else printf("F");
        if (value & 1) printf("T"); else printf("F");
        printf(" = ");
        if ( (value & 8) && testf((value & 4), --a) || (value & 2) && testf((value & 1), --a))
             printf("T %d", a); 
        else 
             printf("F %d", a);

        value++;
        printf("\n");
    }
    return(0);
}

action a;
if ((a = hash_table[r]) and not cmdcmp(commands[--a].name, p)
      r = a;
   else if (a = short_hash_table[r]) and not cmdcmp(commands[--a].short_name, p))
      r = a;
   else
      r = -1;

action a;
if ((a = hash_table[r]) and (a = a - 1, not cmdcmp(commands[a].name, p)) or
    (a = short_hash_table[r]) and (a = a - 1, not cmdcmp(commands[a].short_name, p)))
      r = a;
   else
      r = -1;

rjmoses wrote:

Somebody sure put a lot of faith that the order of evaluation, especially short-circuit evaluation, would remain the same across compilers!

Quote:

Damnit - another thing dies