1*19971Sdist /* 2*19971Sdist * Copyright (c) 1980 Regents of the University of California. 3*19971Sdist * All rights reserved. The Berkeley software License Agreement 4*19971Sdist * specifies the terms and conditions for redistribution. 5*19971Sdist */ 6*19971Sdist 715439Sralph #ifndef lint 8*19971Sdist static char sccsid[] = "@(#)open.c 5.1 (Berkeley) 05/07/85"; 9*19971Sdist #endif not lint 1015439Sralph 1115439Sralph /* 1215439Sralph * This accepts plot file formats and produces the appropriate plots 1315439Sralph * for dumb terminals. It can also be used for printing terminals and 1415439Sralph * lineprinter listings, although there is no way to specify number of 1515439Sralph * lines and columns different from your terminal. This would be easy 1615439Sralph * to change, and is left as an exercise for the reader. 1715439Sralph */ 1815439Sralph 1915439Sralph #include <signal.h> 2015439Sralph #include "dumb.h" 2115439Sralph 2215439Sralph int minX, rangeX; /* min and range of x */ 2315439Sralph int minY, rangeY; /* min and range of y */ 2415439Sralph int currentx,currenty; 2515439Sralph int COLS,LINES; 2615439Sralph 2715439Sralph /* A very large screen! (probably should use malloc) */ 2815439Sralph char screenmat[MAXCOLS][MAXLINES]; 2915439Sralph 3015439Sralph openpl() 3115439Sralph { 3215439Sralph int closepl(); 3315439Sralph int i, j; 3415439Sralph char *term, *getenv(); 3515439Sralph char bp[1024]; 3615439Sralph 3715439Sralph term = getenv("TERM"); 3815439Sralph tgetent(bp, term); 3915439Sralph 4015439Sralph COLS = tgetnum("co"); 4115439Sralph if (COLS > MAXCOLS) 4215439Sralph COLS = MAXCOLS; 4315439Sralph if (COLS < 0) 4415439Sralph COLS = 48; /* lower bound on # of cols? */ 4515439Sralph COLS--; /* prevent auto wrap */ 4615439Sralph 4715439Sralph LINES = tgetnum("li"); 4815439Sralph if (LINES > MAXLINES) 4915439Sralph LINES = MAXLINES; 5015439Sralph if (LINES < 0) 5115439Sralph LINES = 20; /* lower bound on # of lines? */ 5215439Sralph 5315439Sralph for(i=0; i<COLS; i++) 5415439Sralph for(j=0; j<LINES; j++) 5515439Sralph screenmat[i][j] = ' '; 5615439Sralph 5715439Sralph signal(SIGINT, closepl); 5815439Sralph currentx = currenty = 0; 5915439Sralph } 60