dtwalk.c   [plain text]

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#include	"dthdr.h"

#ifdef DMALLOC
#include "dmalloc.h"

/*	Walk a dictionary and all dictionaries viewed through it.
**	userf:	user function
**	Written by Kiem-Phong Vo (5/25/96)

#if __STD_C
int dtwalk(reg Dt_t* dt, int (*userf)(Dt_t*, Void_t*, Void_t*), Void_t* data)
int dtwalk(dt,userf,data)
reg Dt_t*	dt;
int(*		userf)();
Void_t*		data;
	reg Void_t	*obj, *next;
	reg Dt_t*	walk;
	reg int		rv;

	for(obj = dtfirst(dt); obj; )
	{	if(!(walk = dt->walk) )
			walk = dt;
		next = dtnext(dt,obj);
		if((rv = (*userf)(walk, obj, data )) < 0)
			return rv;
		obj = next;
	return 0;