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Libris Britannia 4
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go32
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stub.c
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C/C++ Source or Header
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1993-08-08
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/* This is file STUB.C */
/*
** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <process.h>
#include <dos.h>
#include <io.h>
#include <string.h>
#include "gotypes.h"
#include "stubinfo.h"
StubInfo stub_info = {
STUB_INFO_MAGIC,
sizeof(StubInfo),
"go32",
{
GO32_RELEASE_NUMBER,
GO32_RELEASE_TYPE_C,
GO32_MINOR_VERSION,
GO32_MAJOR_VERSION
},
262144L,
0,
"",
1,
0L
};
unsigned _heaplen = 8192;
unsigned _stklen = 4096;
char hex[] = "0123456789abcdef";
void x2s(int v, char *s)
{
int i;
for (i=0; i<4; i++)
{
s[3-i] = hex[v&15];
v >>= 4;
}
s[4] = 0;
}
char emsg[] = "Cannot exec ";
char emsg2[] = "\r\n";
main(int argc, char **argv)
{
char s_argc[5], s_seg[5], s_argv[5];
char s_info_seg[5], s_info_ofs[5];
int r;
x2s(argc, s_argc);
x2s(_DS, s_seg);
x2s((int)argv, s_argv);
x2s(_DS, s_info_seg);
x2s((int)(&stub_info), s_info_ofs);
/* must wait, as go32 reads argv/argc from our memory space */
r = spawnlp(P_WAIT, stub_info.go32, stub_info.go32, "!proxy", s_argc, s_seg, s_argv, s_info_seg, s_info_ofs, 0);
if (r == -1)
{
write(2, emsg, sizeof(emsg)-1);
write(2, stub_info.go32, strlen(stub_info.go32));
write(2, emsg2, sizeof(emsg2)-1);
}
return r;
}