126 lines
2.6 KiB
C++
126 lines
2.6 KiB
C++
/* Conformance Test 4.2.2.1: Verify correct identifier "hiding" */
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/* Global declarations of all different identifier types in C. */
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#include <math.h>
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int printf(const char *, ...);
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typedef int *numPtr; /* user-defined type */
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float f; /* variables */
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double ch;
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struct aRecord { int value1; /* type tag name */
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int value2; }; /* and struct fields */
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union variantRec { long longNum; /* type tag name */
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int shortNum; }; /* and union fields */
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enum flowers { rose, iris, carnation }; /* type tag name */
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/* and enum const */
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int DoubleCheck (void); /* function names */
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/******************************************************************************/
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int i (char ch)
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{
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return ch;
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}
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/******************************************************************************/
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int main (void)
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{
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int i;
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typedef float *numPtr; /* redefine the global types */
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numPtr f;
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struct variantRec { long longNum;
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int shortNum; };
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enum aRecord { rec1, rec2, rec3 };
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union flowers { int x;
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long y; };
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struct variantRec r1, *r2;
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enum aRecord x, y;
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union flowers longNum, Rose;
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float fp;
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ch = 6.0;
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if (fabs(ch - 6.0) > 0.00001)
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goto Fail;
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fp = 3.1;
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f = &fp;
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if (fabs(*f - 3.1) > 0.00001)
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goto Fail;
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r1.longNum = 10;
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r1.shortNum = 12;
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r2 = &r1;
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if ((r2->longNum != 10) || (r2->shortNum != 12))
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goto Fail;
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x = rec1;
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y = rec3;
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if ((x != 0) || (y != 2))
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goto Fail;
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longNum.x = 89;
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longNum.y = 101;
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Rose = longNum;
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if (Rose.y != 101)
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goto Fail;
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i = DoubleCheck();
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if (i != 0)
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goto Fail;
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printf ("Passed Conformance Test 4.2.2.1\n");
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return 0;
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Fail:
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printf ("Failed Conformance Test 4.2.2.1\n");
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}
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/******************************************************************************/
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int DoubleCheck (void)
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{
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numPtr k;
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int f;
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struct aRecord R1, *R2;
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union variantRec value1, value2;
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enum flowers dahlia;
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f = i ('a');
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if (f != 0x61)
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goto Fail;
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f = 45;
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k = &f;
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if (*k != 45)
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goto Fail;
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R2 = &R1;
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R2->value1 = 18;
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(*R2).value2 = 27;
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if ((R1.value1 != 18) || (R1.value2 != 27))
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goto Fail;
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value1.shortNum = 111;
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value2 = value1;
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if (value2.shortNum != 111)
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goto Fail;
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dahlia = carnation;
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if (dahlia != 2)
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goto Fail;
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return 0;
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Fail:
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return 211;
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}
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