| # | Line 50 | Line 50 | LIST *a,*b; | |
|---|---|---|
| 50 | { | |
| 51 | LIST * l; | |
| 52 | ||
| 53 | – | if(!a) |
| 54 | – | return(b); |
| 55 | – | |
| 53 | if(!b) | |
| 54 | return(a); | |
| 55 | ||
| # | Line 63 | Line 60 | LIST *a,*b; | |
| 60 | SET_LIST_NEXT(l,a); | |
| 61 | ||
| 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" | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |