108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
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* Copyright (c) 1994, Paul Richards.
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*
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* All rights reserved.
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*
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* This software may be used, modified, copied, distributed, and sold, in both
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* source and binary form provided that the above copyright and these terms
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* are retained, verbatim, as the first lines of this file. Under no
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* circumstances is the author responsible for the proper functioning of this
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* software, nor does the author assume any responsibility for damages
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* incurred with its use.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <fcntl.h>
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#include <machine/console.h>
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#include "sysinstall.h"
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static char color_termcap[] = "\
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:pa#64:Co#8:Sf=\\E[3%dm:Sb=\\E[4%dm:op=\\E[37;40m:md=\\E[1m:mh=\\E[30;1m:";
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static char color_entry[] = "\
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cons25|ansis|ansi80x25:";
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static char mono_termcap[] = "\
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:us=\E[4m:ue=\E[m:";
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static char mono_entry[] = "\
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cons25-m|ansis-mono|ansi80x25-mono:";
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static char common_termcap[] = "\
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:ac=l\\332m\\300k\\277j\\331u\\264t\\303v\\301w\\302q\\304x\\263n\\305`^Da\\260f\\370g\\361~\\371.^Y-^Xh\\261I^U0\\333y\\363z\\362:\
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:al=\\E[L:am:bs:NP:cd=\\E[J:ce=\\E[K:cl=\\E[H\\E[J:cm=\\E[%i%d;%dH:co#80:\
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:dc=\\E[P:dl=\\E[M:do=\\E[B:bt=\\E[Z:ho=\\E[H:ic=\\E[@:li#25:cb=\\E[1K:\
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:ms:nd=\\E[C:pt:rs=\\E[x\\E[m\\Ec:so=\\E[7m:se=\\E[m:up=\\E[A:\
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:k1=\\E[M:k2=\\E[N:k3=\\E[O:k4=\\E[P:k5=\\E[Q:k6=\\E[R:k7=\\E[S:k8=\\E[T:\
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:k9=\\E[U:k;=\\E[V:F1=\\E[W:F2=\\E[X:\
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:kb=^H:kh=\\E[H:ku=\\E[A:kd=\\E[B:kl=\\E[D:kr=\\E[C:\
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:le=^H:eo:sf=\\E[S:sr=\\E[T:\
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:kN=\\E[G:kP=\\E[I:@7=\\E[F:kI=\\E[L:kD=\\177:kB=\\E[Z:\
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:IC=\\E[%d@:DC=\\E[%dP:SF=\\E[%dS:SR=\\E[%dT:AL=\\E[%dL:DL=\\E[%dM:\
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:DO=\\E[%dB:LE=\\E[%dD:RI=\\E[%dC:UP=\\E[%dA:ec=\\E[%dX:cv=\\E[%dd:ch=\\E[%d`:bw:\
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:mb=\\E[5m:mr=\\E[7m:me=\\E[m:bl=^G:ut:it#8:";
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static int
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emergency(int color)
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{
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char tempbuf[sizeof(common_termcap)+sizeof(color_termcap)+sizeof(mono_entry)];
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strcpy(tempbuf, color ? color_entry : mono_entry);
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strcat(tempbuf, common_termcap);
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strcat(tempbuf, color ? color_termcap : mono_termcap);
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if (setenv("TERMCAP", tempbuf, 1) < 0)
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return -1;
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return 0;
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}
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int
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set_termcap()
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{
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char *term;
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term = getenv("TERM");
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if (term == NULL) {
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int color_display, no_termcap = 0;
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if (access("/etc/termcap.small",R_OK)) {
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no_termcap = 1;
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} else if (setenv("TERMCAP", "/etc/termcap.small", 1) < 0)
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no_termcap = 1;
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if (ioctl(STDERR_FILENO, GIO_COLOR, &color_display) < 0) {
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char buf[64];
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int len;
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/* serial console */
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if (no_termcap)
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return -1;
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fprintf(stderr, "Enter your terminal type (must be present in /etc/termcap.small): ");
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if (fgets(buf, sizeof(buf), stdin) == NULL)
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return -1;
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len = strlen(buf);
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if (len > 0 && buf[len - 1] == '\n')
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buf[len - 1] = '\0';
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if (setenv("TERM", buf, 1) < 0)
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return -1;
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} else if (color_display) {
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/* color console */
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if (setenv("TERM", "cons25", 1) < 0)
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return -1;
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} else {
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/* mono console */
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if (setenv("TERM", "cons25-m", 1) < 0)
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return -1;
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}
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if (no_termcap) {
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if (emergency(color_display) < 0)
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return -1;
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}
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}
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return 0;
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}
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