termcap.c revision 8601
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/ioctl.h> 21#include <machine/console.h> 22 23#include "sysinstall.h" 24 25int 26set_termcap(void) 27{ 28 char *term; 29 int stat; 30 31 OnVTY = OnSerial = FALSE; 32 if (getpid() != 1) 33 DebugFD = open("sysinstall.debug", O_WRONLY|O_CREAT|O_TRUNC, 0644); 34 term = getenv("TERM"); 35 stat = ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay); 36 if (stat < 0) { 37 if (!term) { 38 if (setenv("TERM", "vt100", 1) < 0) 39 return -1; 40 if (setenv("TERMCAP", termcap_vt100, 1) < 0) 41 return -1; 42 } 43 if (DebugFD == -1) 44 DebugFD = dup(1); 45 OnSerial = TRUE; 46 } 47 else { 48 if (ColorDisplay) { 49 if (!term) { 50 if (setenv("TERM", "cons25", 1) < 0) 51 return -1; 52 if (setenv("TERMCAP", termcap_cons25, 1) < 0) 53 return -1; 54 } 55 } 56 else { 57 if (!term) { 58 if (setenv("TERM", "cons25-m", 1) < 0) 59 return -1; 60 if (setenv("TERMCAP", termcap_cons25_m, 1) < 0) 61 return -1; 62 } 63 } 64 if (DebugFD == -1) 65 DebugFD = open("/dev/ttyv1", O_WRONLY); 66 OnVTY = TRUE; 67 } 68 return 0; 69} 70