contrib/less/line.c

25 static char *linebuf = NULL;	/* Buffer which holds the current output line */
26 static char *attr = NULL;	/* Extension of linebuf to hold attributes */
36 static int curr;		/* Index into linebuf */
92 	linebuf = (char *) ecalloc(LINEBUF_SIZE, sizeof(char));
108 	char *new_buf = (char *) realloc(linebuf, new_size);
134 	memcpy(new_buf, linebuf, size_linebuf * sizeof(char));
137 	free(linebuf);
139 	linebuf = new_buf;
185 	linebuf[n] = ch;
219 		 * {{ Since forw_raw_line modifies linebuf, we must
220 		 *    do this first, before storing anything in linebuf. }}
305 		c = linebuf[from];
309 			linebuf[to] = c;
311 			while (from < curr && linebuf[from])
313 				linebuf[to] = linebuf[from];
315 				if (!is_ansi_middle(linebuf[from++]))
331 			ch = get_wchar(linebuf + from);
354 			prev_ch = linebuf[to++] = ' ';
386 		linebuf[to] = linebuf[from];
525 	char *p = linebuf + curr;
526 	LWCHAR ch = step_char(&p, -1, linebuf + lmargin);
529 	/* This assumes that there is no '\b' in linebuf.  */
534 		curr = (int) (p - linebuf);
535 		prev_ch = step_char(&p, -1, linebuf + lmargin);
558 	for (p = &linebuf[curr];  p > linebuf; )
560 		LWCHAR ch = step_char(&p, -1, linebuf);
659 			char *p = &linebuf[curr];
662 				bch = step_char(&p, -1, linebuf);
663 			} while (p > linebuf && !IS_CSI_START(bch));
664 			curr = (int) (p - linebuf);
677 		char *p = &linebuf[curr];
678 		LWCHAR prev_ch = step_char(&p, -1, linebuf);
897 		linebuf[curr] = '\0';
954 			prev_ch = get_wchar(linebuf + curr);
957 			prev_ch = (unsigned char) linebuf[curr];
983 			rep = linebuf + curr;
992 		    || is_combining_char(get_wchar(linebuf + curr), ch))
1211 	return (linebuf[i] & 0xFF);
1263 		linebuf[n++] = c;
1266 	linebuf[n] = '\0';
1268 		*linep = linebuf;
1293 	linebuf[--n] = '\0';
1331 			 * Shift the data to the end of the new linebuf.
1333 			for (fm = linebuf + old_size_linebuf - 1,
1334 			      to = linebuf + size_linebuf - 1;
1335 			     fm >= linebuf;  fm--, to--)
1339 		linebuf[--n] = c;
1342 		*linep = &linebuf[n];