89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id: stage4.c,v 1.9 1994/11/17 23:36:48 ache Exp $
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <dialog.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include "sysinstall.h"
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void
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stage4()
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{
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int ffd, pfd[2];
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int zpid, cpid;
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int i,j;
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if (access("/stand/need_cpio_floppy",R_OK))
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return;
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retry:
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while (1) {
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dialog_msgbox(TITLE,
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"Insert CPIO floppy in floppy drive 0", -1, -1, 1);
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ffd = open("/dev/fd0a",O_RDONLY);
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if (ffd > 0)
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break;
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}
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dialog_clear_norefresh();
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TellEm("cd /stand ; gunzip < /dev/fd0 | cpio -idum");
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pipe(pfd);
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zpid = fork();
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if (!zpid) {
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close(0); dup(ffd); close(ffd);
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close(1); dup(pfd[1]); close(pfd[1]);
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close(pfd[0]);
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i = exec (1,"/stand/gunzip","/stand/gunzip", 0);
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exit(i);
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}
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cpid = fork();
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if (!cpid) {
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close(0); dup(pfd[0]); close(pfd[0]);
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close(ffd);
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close(pfd[1]);
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close(1); open("/dev/null",O_WRONLY);
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chdir("/stand");
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i = exec (1,"/stand/cpio","/stand/cpio","-iduvm", 0);
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exit(i);
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}
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close(pfd[0]);
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close(pfd[1]);
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close(ffd);
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i = wait(&j);
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if (i < 0 || j)
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Fatal("Pid %d, status %d, cpio=%d, gunzip=%d.\nerror:%s",
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i, j, cpid, zpid, strerror(errno));
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i = wait(&j);
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if (i < 0 || j)
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Fatal("Pid %d, status %d, cpio=%d, gunzip=%d.\nerror:%s",
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i, j, cpid, zpid, strerror(errno));
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/* bininst MUST be the last file on the floppy */
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if (access("/stand/bininst", R_OK) == -1) {
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AskAbort("CPIO floppy was bad! Please check media for defects and retry.");
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goto retry;
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}
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else {
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TellEm("unlink /stand/need_cpio_floppy");
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unlink("/stand/need_cpio_floppy");
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}
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}
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