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Commodore CBM-900

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⟦836b3f3c2⟧ TextFile

    Length: 388 (0x184)
    Types: TextFile
    Notes: UNIX file
    Names: »ltoc.c«

Derivation

└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
    └─⟦f4b8d8c84⟧ UNIX Filesystem
        └─ ⟦this⟧ »libc/gen/ltoc.c«

TextFile

/*
 * Convert long to comp_t style number.
 * A comp_t contains 3 bits of base-8 exponent
 * and a 13-bit mantissa.  Only unsigned
 * numbers can be comp_t numbers.
 */

#include <types.h>

#define	MAXMANT		017777		/* 2^13-1 = largest mantissa */

comp_t
ltoc(l)
long l;
{
	register exp;

	if (l < 0)
		return (0);
	for (exp = 0; l > MAXMANT; exp++)
		l >>= 3;
	return ((exp<<13) | l);
}