ORCA-C/Tests/Conformance/C3.3.3.1.CC
Stephen Heumann 91d33b586d Fix various C99+ conformance issues and bugs in test cases.
The main changes made to most tests are:

*Declarations always include explicit types, not relying on implicit int. The declaration of main in most test programs is changed to be "int main (void) {...}", adding an explicit return type and a prototype. (There are still some non-prototyped functions, though.)

*Functions are always declared before use, either by including a header or by providing a declaration for the specific function. The latter approach is usually used for printf, to avoid requiring ORCA/C to process stdio.h when compiling every test case (which might make test runs noticeably slower).

*Make all return statements in non-void functions (e.g. main) return a value.

*Avoid some instances of undefined behavior and type errors in printf and scanf calls.

Several miscellaneous bugs are also fixed.

There are still a couple test cases that intentionally rely on the C89 behavior, to ensure it still works.
2022-10-17 20:17:24 -05:00

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C++

/* Conformance Test 3.3.3.1: Ensure correct macro expansion for nested */
/* macros and nested macro calls */
int printf(const char *, ...);
#define addMult(a,b,c) mult ( (add((a),(c))), (b) )
#define mult(x,y) (y) * (x)
#define add(i,j) (i) + (j)
int main (void)
{
long i, j, k, m;
i = 2;
j = 3;
k = 5;
m = addMult (i, j, k);
if (m != 21)
goto Fail;
m = addMult ( (mult (j,k)), (add (m,i)), 4 );
if (m != 437)
goto Fail;
j = add ( (mult (k,i)), (addMult ((m), (mult ((i), (add (m,m))) ), (k))));
if (j != 772626)
goto Fail;
printf ("Passed Conformance Test 3.3.3.1\n");
return 0;
Fail:
printf ("Failed Conformance Test 3.3.3.1\n");
}