190 lines
4.6 KiB
C++
190 lines
4.6 KiB
C++
/* Conformance Test 4.6.3.2: Verification of local pointer initializers */
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#include <math.h>
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int printf(const char *, ...);
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struct S { int a;
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float b; };
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union U { int i;
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long L; };
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enum E { a, b, c };
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/******************************************************************************/
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int I1 (void)
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{
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return 32760;
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}
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/******************************************************************************/
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long Long1 (void)
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{
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return 2147483647;
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}
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/******************************************************************************/
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char Ch1 (void)
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{
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return 'm';
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}
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/******************************************************************************/
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extended E1 (void)
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{
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return 189.0E50;
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}
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/******************************************************************************/
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int main (void)
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{
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static int IDisp (int (*func) (void)); /* declare dispatcher rtns */
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static char ChDisp (char (*func) (void));
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static long LDisp (long (*func) (void));
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static extended EDisp (extended (*func) (void));
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int i1 = 8 * 10; /* define local variables */
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char ch1 = 'P';
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long L1 = { 0x12345678 - 0x78 };
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comp c1 = { 0x12345678 };
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float f1 = 98.6e-00;
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double d1 = 15.7e10;
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extended e1 = 9.8E45;
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unsigned int ui1 = 65535;
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unsigned long ul1 = { 42959796 };
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struct S struct1 = { 3, 3.3 };
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union U union1 = { 5 };
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enum E enum1 = c;
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int i2 [2] = { 160, 140 }; /* define local arrays */
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char ch2 [2] = { 'e', 'O' };
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long L2 [2] = { 40, 0x12345600 };
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comp c2 [2] = { 0x12345678, 0x12345678 };
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float f2 [2] = { 1.0, 1.0 };
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double d2 [2] = { 15.7e10, 1.0 };
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extended e2 [2] = { 9.8E45, 8.9E-45 };
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unsigned int ui2 [2] = { 0x3FFF };
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unsigned long ul2 [2] = { 0x51f0768 };
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int (*i3Ptr) (void) = I1; /* pointers to functions */
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char (*ch3Ptr) (void) = Ch1;
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long (*L3Ptr) (void) = Long1;
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extended (*e3Ptr) (void) = E1;
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int *i4Ptr = i2; /* array names */
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char *ch4Ptr = ch2 + 1;
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long *L4Ptr = L2 + 1;
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comp *c4Ptr = c2 + 2 - 1;
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float *f4Ptr = f2;
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double *d4Ptr = d2 - 0;
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extended *e4Ptr = e2 + 1;
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unsigned int *ui4Ptr = ui2;
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unsigned long *uL4Ptr = ul2 + 1;
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struct S *struct5Ptr = &struct1; /* addresses of local variables */
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union U *union5Ptr = &union1;
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enum E *enum5Ptr = &enum1;
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int *i5 = &i1;
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char *ch5 = &ch1;
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long *L5 = &L1;
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comp *c5 = &c1;
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float *f5 = &f1;
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double *d5 = &d1;
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extended *e5 = &e1;
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unsigned int *ui5 = &ui1;
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unsigned long *ul5 = &ul1;
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/* First ensure correctness of pointers to scalars */
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if ((*i5 != 80) || (*ch5 != 'P') || (*L5 != 0x12345600) ||
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(*c5 != 0x12345678) || (fabs(*f5 - 98.6) > 0.00001) ||
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(fabs(*d5 - 15.7e10) > 0.00001) ||
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(fabs(*e5 - 9.8e45) > 0.00001) || (*ui5 != 65535) || (*ul5 != 42959796))
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goto Fail;
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/* Verify pointers to local arrays */
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if (*i4Ptr != 160) goto Fail;
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if (*ch4Ptr != 'O') goto Fail;
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if (*L4Ptr != 0x12345600) goto Fail;
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if (*c4Ptr != 0x12345678) goto Fail;
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if (fabs(*f4Ptr - 1.0) > 0.00001) goto Fail;
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if (fabs(*d4Ptr - 15.7E10) > 0.00001) goto Fail;
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if (fabs(*e4Ptr - 8.9E-45) > 1e-50) goto Fail;
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if (*ui4Ptr != 0x3FFF) goto Fail;
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if (*uL4Ptr != 0) goto Fail;
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if (struct5Ptr->a != 3) goto Fail;
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if (fabs(struct5Ptr->b - 3.3) > 0.00001) goto Fail;
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if (union5Ptr->i != 5) goto Fail;
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if (*enum5Ptr != c) goto Fail;
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/* Verify pointers to functions */
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i1 = IDisp (i3Ptr);
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if (i1 != 32760)
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goto Fail;
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ch1 = ChDisp (ch3Ptr);
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if (ch1 != 'm')
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goto Fail;
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L1 = LDisp (L3Ptr);
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if (L1 != 2147483647)
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goto Fail;
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e1 = EDisp (e3Ptr);
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if (fabs(e1 - 189.0E50) > 0.00001)
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goto Fail;
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printf ("Passed Conformance Test 4.6.3.2\n");
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return 0;
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Fail:
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printf ("Failed Conformance Test 4.6.3.2\n");
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}
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/******************************************************************************/
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static int IDisp (int (*func) (void))
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{
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return func ();
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}
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/******************************************************************************/
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static char ChDisp (char (*func) (void))
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{
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return func ();
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}
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/******************************************************************************/
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static long LDisp (long (*func) (void))
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{
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return func ();
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}
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/******************************************************************************/
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static extended EDisp (extended (*func) (void))
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{
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return func ();
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}
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