/* */ /* Special Conformance Test 13.4.0.1: Verification of stdarg library facility */ /* */ /* The tester needs to verify that the values 2, 'c', 1.3, 4.4, and 7.7 are */ /* printed to standard out. */ /* */ #pragma optimize -1 #include int printf(const char *, ...); enum types { integer, character, singlePrecision, doublePrecision, extendedPrecision, endOfList }; int main (void) { int i = 2; char ch = 'c'; float f = 1.3; double d = 4.4; extended e = 7.7; enum types typesArray [80]; void VariablePrint ( enum types *typesArray, ... ); typesArray [0] = integer; /* init. array of types of values */ typesArray [1] = character; /* to print */ typesArray [2] = singlePrecision; typesArray [3] = doublePrecision; typesArray [4] = extendedPrecision; typesArray [5] = endOfList; VariablePrint ( typesArray, i, ch, f, d, e ); /* call function which takes */ } /* variable number args */ /****************************************************************************/ void VariablePrint ( enum types *typesArray, ... ) { va_list ap; enum types nextType; va_start (ap, typesArray); /* initialize variable argument ptr */ while ( (nextType = *typesArray++) != endOfList ) { switch (nextType) { case integer: printf ("int: %d\n", va_arg (ap, int)); break; case character: printf ("char: %c\n", va_arg (ap, int)); break; case singlePrecision: case doublePrecision: case extendedPrecision: printf ("extended: %e\n", va_arg (ap, extended)); break; default: printf ("Error in VariablePrint"); break; } /* end switch */ } /* end while */ va_end (ap); /* clean up stack, etc. */ }