ORCA-C/Tests/Spec.Conform/SPC4632.1.CC

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/* File spc4632.1.cc; the second source file which accesses the external */
/* arrays defined in the main source file. Part of Special Conformance */
/* Test 4.6.3.2 */
#include <math.h>
int ExternTest (void)
{
int count = 0;
struct S { int a;
float b; };
union U { int i;
long L; };
/* Declare extern pointers */
extern int (*i2Ptr);
extern char (*ch2Ptr);
extern long (*L2Ptr);
extern comp (*c2Ptr);
extern float (*f2Ptr);
extern double (*d2Ptr);
extern extended (*e2Ptr);
extern unsigned int (*ui2Ptr);
extern unsigned long (*uL2Ptr);
extern struct S (*struct2Ptr);
extern union U (*union2Ptr );
/* also test pointer subscripting */
count++;
if ((*(i2Ptr) != 8) || (i2Ptr [1] != 9))
goto Fail;
count++;
if ((*(ch2Ptr) != 'x') || (ch2Ptr [1] != 'y'))
goto Fail;
count++;
if ((*(L2Ptr) != 17) || (L2Ptr [1] != 23))
goto Fail;
count++;
if ((*(c2Ptr) != 45000) || (c2Ptr [1] != 500000))
goto Fail;
count++;
if ((fabs (*(f2Ptr) - 123.456) > 0.0001) ||
(fabs (f2Ptr [1] - 6.0e7) > 0.0001))
goto Fail;
count++;
if ((fabs (*(d2Ptr) - 0.5e10) > 0.0001) ||
(fabs (d2Ptr [1] - 3.27) > 0.0001))
goto Fail;
count++;
if ((fabs (*(e2Ptr) - 7.4) > 0.0001) ||
(fabs (e2Ptr [1] - 9.9) > 0.0001))
goto Fail;
count++;
if ((*(ui2Ptr) != 10) || (ui2Ptr [1] != 11))
goto Fail;
count++;
if ((*(uL2Ptr) != 4) || (uL2Ptr [1] != 4))
goto Fail;
count++;
if ((struct2Ptr->a != 888) || ((struct2Ptr + 1)->a != 999))
goto Fail;
count++;
if ((fabs (struct2Ptr->b - 8.88) > 0.0001) ||
(fabs ((struct2Ptr + 1)->b - 9.99) > 0.0001))
goto Fail;
count++;
if ((union2Ptr->i != 7777) || ((union2Ptr + 1)->i != 0))
goto Fail;
return 0;
Fail:
printf ("failure in ExternTest: count = %d\n", count);
return 1;
}