termcap.c revision 8881
1/* 2 * Copyright (c) 1994, Paul Richards. 3 * 4 * All rights reserved. 5 * 6 * This software may be used, modified, copied, distributed, and sold, in both 7 * source and binary form provided that the above copyright and these terms 8 * are retained, verbatim, as the first lines of this file. Under no 9 * circumstances is the author responsible for the proper functioning of this 10 * software, nor does the author assume any responsibility for damages 11 * incurred with its use. 12 */ 13 14#include <stdio.h> 15#include <stdlib.h> 16#include <string.h> 17#include <unistd.h> 18#include <stdarg.h> 19#include <fcntl.h> 20#include <sys/errno.h> 21#include <sys/ioctl.h> 22#include <machine/console.h> 23 24#include "sysinstall.h" 25 26int 27set_termcap(void) 28{ 29 char *term; 30 int stat; 31 32 OnVTY = OnSerial = FALSE; 33 if (getpid() != 1) 34 DebugFD = open("sysinstall.debug", O_WRONLY|O_CREAT|O_TRUNC, 0644); 35 else { 36 int i, on; 37 38 DebugFD = open("/dev/ttyv1", O_WRONLY); 39 on = 1; 40 i = ioctl(DebugFD, TIOCCONS, (char *)&on); 41 msgDebug("ioctl(%d, TIOCCONS, NULL) = %d (%s)\n", DebugFD, i, !i ? "success" : strerror(errno)); 42 RunningAsInit = TRUE; 43 OnVTY = TRUE; 44 } 45 term = getenv("TERM"); 46 stat = ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay); 47 if (stat < 0) { 48 if (!term) { 49 if (setenv("TERM", "vt100", 1) < 0) 50 return -1; 51 if (setenv("TERMCAP", termcap_vt100, 1) < 0) 52 return -1; 53 } 54 if (DebugFD == -1) 55 DebugFD = dup(1); 56 OnSerial = TRUE; 57 } 58 else { 59 if (ColorDisplay) { 60 if (!term) { 61 if (setenv("TERM", "cons25", 1) < 0) 62 return -1; 63 if (setenv("TERMCAP", termcap_cons25, 1) < 0) 64 return -1; 65 } 66 } 67 else { 68 if (!term) { 69 if (setenv("TERM", "cons25-m", 1) < 0) 70 return -1; 71 if (setenv("TERMCAP", termcap_cons25_m, 1) < 0) 72 return -1; 73 } 74 } 75 OnVTY = TRUE; 76 } 77 return 0; 78} 79