63 lines
960 B
C
63 lines
960 B
C
/* I N L I N E S U B S T I T U T I O N
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*
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* I L 3 _ A U X . C
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*/
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#include "../share/types.h"
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#include "il.h"
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#include "../share/debug.h"
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#include "../share/alloc.h"
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#include "../share/global.h"
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#include "il_aux.h"
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#include "il3_aux.h"
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line_p last_line(lines)
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line_p lines;
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{
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/* Determine the last line of a list */
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register line_p l;
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assert (lines != (line_p) 0);
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for (l = lines; l->l_next != (line_p) 0; l = l->l_next);
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return l;
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}
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app_list(list,l)
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line_p list,l;
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{
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/* Append the list after line l */
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line_p llast;
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assert(l != (line_p) 0);
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assert (list != (line_p) 0);
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llast = last_line(list);
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llast->l_next = l->l_next;
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if (l->l_next != (line_p) 0) {
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PREV(l->l_next) = llast;
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}
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l->l_next = list;
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PREV(list) = l;
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}
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rem_line(l)
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line_p l;
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{
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/* Remove a line from the list */
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if (PREV(l) != (line_p) 0) {
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PREV(l)->l_next = l->l_next;
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}
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if (l->l_next != (line_p) 0) {
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PREV(l->l_next) = PREV(l);
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}
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oldline(l);
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}
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