diff options
Diffstat (limited to 'usr.sbin/sysinstall/termcap.c')
| -rw-r--r-- | usr.sbin/sysinstall/termcap.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/usr.sbin/sysinstall/termcap.c b/usr.sbin/sysinstall/termcap.c new file mode 100644 index 0000000000000..1d8e047bc12a2 --- /dev/null +++ b/usr.sbin/sysinstall/termcap.c @@ -0,0 +1,150 @@ +/* + * Copyright (c) 1994, Paul Richards. + * + * All rights reserved. + * + * This software may be used, modified, copied, distributed, and sold, in both + * source and binary form provided that the above copyright and these terms + * are retained, verbatim, as the first lines of this file. Under no + * circumstances is the author responsible for the proper functioning of this + * software, nor does the author assume any responsibility for damages + * incurred with its use. + * + * $FreeBSD$ + */ + +#include "sysinstall.h" +#include <stdarg.h> +#include <fcntl.h> +#include <sys/errno.h> +#include <sys/ioctl.h> +#include <sys/consio.h> + +#define VTY_STATUS_LINE 24 +#define TTY_STATUS_LINE 23 + +static void +prompt_term(char **termp, char **termcapp) +{ + char str[80]; + static struct { + const char *term, *termcap; + } lookup[] = { { "ansi", termcap_ansi }, + { "vt100", termcap_vt100 }, + { "cons25", termcap_cons25 }, + { "cons25-m", termcap_cons25_m }, + { "xterm", termcap_xterm }, + { "cons25w", termcap_cons25w } }; /* must be last */ + + if (RunningAsInit) { + while (1) { + int i; + + printf("\nThese are the predefined terminal types available to\n"); + printf("sysinstall when running stand-alone. Please choose the\n"); + printf("closest match for your particular terminal.\n\n"); + printf("1 ...................... Standard ANSI terminal.\n"); + printf("2 ...................... VT100 or compatible terminal.\n"); + printf("3 ...................... FreeBSD system console (color).\n"); + printf("4 ...................... FreeBSD system console (monochrome).\n\n"); + printf("5 ...................... xterm terminal emulator.\n\n"); + printf("Your choice: (1-5) "); + fflush(stdout); + fgets(str, 80, stdin); + i = str[0] - '0'; + if (i > 0 && i < 6) { + *termp = (char *)lookup[i - 1].term; + *termcapp = (char *)lookup[i - 1].termcap; + break; + } + else + printf("\007Invalid choice, please try again.\n\n"); + } + } + else { + printf("\nPlease set your TERM variable before running this program.\n"); + printf("Defaulting to an ANSI compatible terminal - please press RETURN\n"); + fgets(str, 80, stdin); /* Just to make it interactive */ + *termp = (char *)"ansi"; + *termcapp = (char *)termcap_ansi; + } +} + +int +set_termcap(void) +{ + char *term; + int stat; + struct ttysize ts; + + term = getenv("TERM"); + stat = ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay); + + if (!RunningAsInit) { + if (isDebug()) + DebugFD = open("sysinstall.debug", O_WRONLY|O_CREAT|O_TRUNC, 0644); + else + DebugFD = -1; + if (DebugFD < 0) + DebugFD = open("/dev/null", O_RDWR, 0); + } + + if (!OnVTY || (stat < 0)) { + if (!term) { + char *term, *termcap; + + prompt_term(&term, &termcap); + if (setenv("TERM", term, 1) < 0) + return -1; + if (setenv("TERMCAP", termcap, 1) < 0) + return -1; + } + if (DebugFD < 0) + DebugFD = open("/dev/null", O_RDWR, 0); + } + else { + int i, on; + + if (getpid() == 1) { + DebugFD = open("/dev/ttyv1", O_WRONLY); + if (DebugFD != -1) { + on = 1; + i = ioctl(DebugFD, TIOCCONS, (char *)&on); + msgDebug("ioctl(%d, TIOCCONS, NULL) = %d (%s)\n", + DebugFD, i, !i ? "success" : strerror(errno)); + } + } + +#ifdef PC98 + if (!term) { + if (setenv("TERM", "cons25w", 1) < 0) + return -1; + if (setenv("TERMCAP", termcap_cons25w, 1) < 0) + return -1; + } +#else + if (ColorDisplay) { + if (!term) { + if (setenv("TERM", "cons25", 1) < 0) + return -1; + if (setenv("TERMCAP", termcap_cons25, 1) < 0) + return -1; + } + } + else { + if (!term) { + if (setenv("TERM", "cons25-m", 1) < 0) + return -1; + if (setenv("TERMCAP", termcap_cons25_m, 1) < 0) + return -1; + } + } +#endif + } + if (ioctl(0, TIOCGSIZE, &ts) == -1) { + msgDebug("Unable to get terminal size - errno %d\n", errno); + ts.ts_lines = 0; + } + StatusLine = ts.ts_lines ? ts.ts_lines - 1: (OnVTY ? VTY_STATUS_LINE : TTY_STATUS_LINE); + return 0; +} |