qsort.c File Reference

#include <stdlib.h>

Defines
#define	min(a, b)   (a) < (b) ? (a) : (b)
#define	swapcode(TYPE, parmi, parmj, n)
#define	SWAPINIT(a, es)
#define	swap(a, b)
#define	vecswap(a, b, n)   if ((n) > 0) swapfunc(a, b, n, swaptype)
#define	CMP(t, x, y)   (cmp((x), (y)))
#define	thunk   NULL
Typedefs
typedef int	cmp_t (const void *, const void *)
Functions
void	qsort (void *a, size_t n, size_t es, cmp_t *cmp)

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Define Documentation

#define CMP	(	t,
		x,
		y		)	(cmp((x), (y)))

#define min	(	a,
		b		)	(a) < (b) ? (a) : (b)

#define swap	(	a,
		b		)

Value:

if (swaptype == 0) {                            \
                long t = *(long *)(a);                  \
                *(long *)(a) = *(long *)(b);            \
                *(long *)(b) = t;                       \
        } else                                          \
                swapfunc(a, b, es, swaptype)

#define swapcode	(	TYPE,
		parmi,
		parmj,
		n		)

Value:

{               \
        long i = (n) / sizeof (TYPE);                   \
        register TYPE *pi = (TYPE *) (parmi);           \
        register TYPE *pj = (TYPE *) (parmj);           \
        do {                                            \
                register TYPE   t = *pi;                \
                *pi++ = *pj;                            \
                *pj++ = t;                              \
        } while (--i > 0);                              \
}

#define SWAPINIT	(	a,
		es		)

Value:

swaptype = ((char *)a - (char *)0) % sizeof(long) || \
        es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;

#define thunk   NULL

#define vecswap	(	a,
		b,
		n		)	if ((n) > 0) swapfunc(a, b, n, swaptype)

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Typedef Documentation

typedef int cmp_t(const void *, const void *)

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Function Documentation

void qsort	(	void *	a,
		size_t	n,
		size_t	es,
		cmp_t *	cmp
	)

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