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root/Development/ray/src/hd/sm_list.c

Comparing ray/src/hd/sm_list.c (file contents):
Revision 3.3 by gwlarson, Wed Sep 16 18:16:28 1998 UTC vs.
Revision 3.5 by gwlarson, Tue Jan 5 16:52:38 1999 UTC

#	Line 62 | Line 62 | LIST *a,*b;
62		return(b);
63		}
64
65	+	/* attaches list a at the end of list b */
66	+	LIST
67	+	*add_data(l,d,end)
68	+	LIST *l;
69	+	int d;
70	+	LIST **end;
71	+
72	+	{
73	+	LIST *list,*lptr;
74	+
75	+	list = new_list();
76	+	SET_LIST_DATA(list,d);
77	+
78	+	if(!l)
79	+	{
80	+	if(end)
81	+	*end = list;
82	+	return(list);
83	+	}
84	+	if(end)
85	+	lptr = *end;
86	+	else
87	+	{
88	+	lptr = l;
89	+	while(LIST_NEXT(lptr))
90	+	lptr = LIST_NEXT(lptr);
91	+	}
92	+	LIST_NEXT(lptr) = list;
93	+	if(end)
94	+	*end = list;
95	+
96	+	return(l);
97	+	}
98	+
99		/* Adds data to the end of a circular list. If set, "end"
100		* is a pointer to the last element in the list
101		*/
#	Line 90 | Line 124 | int d;
124		return(l);
125		}
126
93	–	/* Pushes data element d at the top of the list- returns pointer
94	–	to new top of list
95	–	*/
96	–	LIST
97	–	*push_data(l,d)
98	–	LIST *l;
99	–	int d;
100	–	{
101	–	LIST * list;
102	–
103	–	list = new_list();
104	–	SET_LIST_DATA(list,d);
105	–	SET_LIST_NEXT(list,l);
106	–	return(list);
107	–	}
127
128	+
129		/* frees the list */
130		LIST
131		*free_list(l)
#	Line 119 | Line 139 | LIST * l;
139		return(NULL);
140		}
141
142	+	/* Pushes data element d at the top of the list- returns pointer
143	+	to new top of list
144	+	*/
145	+	LIST
146	+	*push_data(l,d)
147	+	LIST *l;
148	+	int d;
149	+	{
150	+	LIST *list;
151	+
152	+	list = new_list();
153	+	SET_LIST_DATA(list,d);
154	+	SET_LIST_NEXT(list,l);
155	+	return(list);
156	+	}
157		/* Returns data element d at the top of the list- returns pointer
158		to new top of list
159		*/

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