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