2 static char *RCSid() { return RCSid("$Id: corplot.c,v 1.6 2004/07/25 12:25:00 broeker Exp $"); }
5 /* GNUPLOT - corplot.c */
8 * Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
10 * Permission to use, copy, and distribute this software and its
11 * documentation for any purpose with or without fee is hereby granted,
12 * provided that the above copyright notice appear in all copies and
13 * that both that copyright notice and this permission notice appear
14 * in supporting documentation.
16 * Permission to modify the software is granted, but not the right to
17 * distribute the complete modified source code. Modifications are to
18 * be distributed as patches to the released version. Permission to
19 * distribute binaries produced by compiling modified sources is granted,
21 * 1. distribute the corresponding source modifications from the
22 * released version in the form of a patch file along with the binaries,
23 * 2. add special version identification to distinguish your version
24 * in addition to the base release version number,
25 * 3. provide your name and address as the primary contact for the
26 * support of your modified version, and
27 * 4. retain our contact information in regard to use of the base
29 * Permission to distribute the released version of the source code along
30 * with corresponding source modifications in the form of a patch file is
31 * granted with same provisions 2 through 4 for binary distributions.
33 * This software is provided "as is" without express or implied warranty
34 * to the extent permitted by applicable law.
41 #if (defined(ATARI) || defined(MTOS)) && defined(__PUREC__)
45 #define BOUNDARY 32768
46 #define segment(addr) (FP_SEG(m) + ((FP_OFF(m)+15) >> 4));
47 #define round(value,boundary) (((value) + (boundary) - 1) & ~((boundary) - 1))
49 char *malloc(), *realloc();
51 char prog[] = "gnuplot";
52 char corscreen[] = "CORSCREEN=0";
57 unsigned int segm, start;
59 if (!(m = malloc(BOUNDARY))) {
60 printf("malloc() failed\n");
64 start = round(segm, BOUNDARY / 16);
66 if (realloc(m, BOUNDARY + (start - segm) * 16) != m) {
67 printf("can't realloc() memory\n");
70 if ((segm = start >> 11) >= 8) {
71 printf("not enough room in first 256K\n");
74 corscreen[sizeof(corscreen) - 2] = '0' + segm;
75 if (putenv(corscreen))
78 if (spawnlp(P_WAIT, prog, prog, NULL))