less/dist/ch.c

40  * The circular list is anchored by the file state "thisfile".
73 #define ch_bufhead      thisfile->buflist.next
74 #define ch_buftail      thisfile->buflist.prev
75 #define ch_nbufs        thisfile->nbufs
76 #define ch_block        thisfile->block
77 #define ch_offset       thisfile->offset
78 #define ch_fpos         thisfile->fpos
79 #define ch_fsize        thisfile->fsize
80 #define ch_flags        thisfile->flags
81 #define ch_file         thisfile->file
83 #define END_OF_CHAIN    (&thisfile->buflist)
84 #define END_OF_HCHAIN(h) (&thisfile->hashtbl[h])
88  * Macros to manipulate the list of buffers in thisfile->buflist.
110  * Macros to manipulate the list of buffers in thisfile->hashtbl[n].
113 	for (bn = thisfile->hashtbl[h].hnext;  \
121 	(bn)->hnext = thisfile->hashtbl[h].hnext; \
123 	thisfile->hashtbl[h].hnext->hprev = (bn); \
124 	thisfile->hashtbl[h].hnext = (bn);
126 static struct filestate *thisfile;
160 	if (thisfile == NULL)
466 	if (thisfile == NULL)
502 	if (thisfile == NULL)
531 	if (thisfile == NULL || (ch_flags & CH_CANSEEK))
584 	if (thisfile == NULL)
600 	if (thisfile == NULL)
612 	if (thisfile == NULL)
632 	if (thisfile == NULL)
672 	if (thisfile == NULL)
771 		thisfile->hashtbl[h].hnext = END_OF_HCHAIN(h);
772 		thisfile->hashtbl[h].hprev = END_OF_HCHAIN(h);
831 	thisfile = (struct filestate *) get_filestate(curr_ifile);
832 	if (thisfile == NULL)
837 		thisfile = (struct filestate *)
839 		thisfile->buflist.next = thisfile->buflist.prev = END_OF_CHAIN;
840 		thisfile->nbufs = 0;
841 		thisfile->flags = flags;
842 		thisfile->fpos = 0;
843 		thisfile->block = 0;
844 		thisfile->offset = 0;
845 		thisfile->file = -1;
846 		thisfile->fsize = NULL_POSITION;
853 		set_filestate(curr_ifile, (void *) thisfile);
855 	if (thisfile->file == -1)
856 		thisfile->file = f;
867 	if (thisfile == NULL)
896 		free(thisfile);
897 		thisfile = NULL;
907 	if (thisfile == NULL)