termcap.c revision 14738
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 = FALSE; 33 34 term = getenv("TERM"); 35 stat = ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay); 36 37 if (getpid() != 1) 38 DebugFD = open("sysinstall.debug", O_WRONLY|O_CREAT|O_TRUNC, 0644); 39 40 if (stat < 0) { 41 if (!term) { 42 if (setenv("TERM", "vt100", 1) < 0) 43 return -1; 44 if (setenv("TERMCAP", termcap_vt100, 1) < 0) 45 return -1; 46 } 47 if (DebugFD == -1) 48 DebugFD = dup(1); 49 } 50 else { 51 int i, on; 52 53 if (getpid() == 1) { 54 DebugFD = open("/dev/ttyv1", O_WRONLY); 55 on = 1; 56 i = ioctl(DebugFD, TIOCCONS, (char *)&on); 57 msgDebug("ioctl(%d, TIOCCONS, NULL) = %d (%s)\n", DebugFD, i, !i ? "success" : strerror(errno)); 58 OnVTY = TRUE; 59 } 60 if (ColorDisplay) { 61 if (!term) { 62 if (setenv("TERM", "cons25", 1) < 0) 63 return -1; 64 if (setenv("TERMCAP", termcap_cons25, 1) < 0) 65 return -1; 66 } 67 } 68 else { 69 if (!term) { 70 if (setenv("TERM", "cons25-m", 1) < 0) 71 return -1; 72 if (setenv("TERMCAP", termcap_cons25_m, 1) < 0) 73 return -1; 74 } 75 } 76 } 77 return 0; 78} 79