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Amiga Format CD 49
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Amiga Format CD49 (2000-01-17)(Future Publishing)(GB)(Track 1 of 3)[!][issue 2000-02].iso
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-serious-
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graphics
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gnuplot
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gnuplot-3.7.1src
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gnuplot-3.7.1
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corplot.c
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C/C++ Source or Header
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1999-11-29
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82 lines
#ifndef lint
static char *RCSid = "$Id: corplot.c,v 1.2 1998/10/28 21:08:12 lhecking Exp $";
#endif
/* GNUPLOT - corplot.c */
/*[
* Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
#include <stdio.h>
#include <process.h>
#include <dos.h>
#if (defined(ATARI) || defined(MTOS)) && defined(__PUREC__)
#include <plot.h>
#endif
#define BOUNDARY 32768
#define segment(addr) (FP_SEG(m) + ((FP_OFF(m)+15) >> 4));
#define round(value,boundary) (((value) + (boundary) - 1) & ~((boundary) - 1))
char *malloc(),*realloc();
char prog[] = "gnuplot";
char corscreen[] = "CORSCREEN=0";
main()
{
register unsigned int segm,start;
char *m;
if (!(m = malloc(BOUNDARY))) {
printf("malloc() failed\n");
exit(1);
}
segm = segment(m);
start = round(segm,BOUNDARY/16);
if (realloc(m,BOUNDARY+(start-segm)*16) != m) {
printf("can't realloc() memory\n");
exit(2);
}
if ((segm = start >> 11) >= 8) {
printf("not enough room in first 256K\n");
exit(3);
}
corscreen[sizeof(corscreen)-2] = '0' + segm;
if (putenv(corscreen))
perror("putenv");
if (spawnlp(P_WAIT,prog,prog,NULL))
perror("spawnlp");
}