diff options
Diffstat (limited to 'console-tools')
| -rw-r--r-- | console-tools/Config.in | 105 | ||||
| -rw-r--r-- | console-tools/Kbuild | 19 | ||||
| -rw-r--r-- | console-tools/chvt.c | 33 | ||||
| -rw-r--r-- | console-tools/clear.c | 21 | ||||
| -rw-r--r-- | console-tools/deallocvt.c | 37 | ||||
| -rw-r--r-- | console-tools/dumpkmap.c | 65 | ||||
| -rw-r--r-- | console-tools/loadfont.c | 193 | ||||
| -rw-r--r-- | console-tools/loadkmap.c | 61 | ||||
| -rw-r--r-- | console-tools/openvt.c | 45 | ||||
| -rw-r--r-- | console-tools/reset.c | 32 | ||||
| -rw-r--r-- | console-tools/resize.c | 38 | ||||
| -rw-r--r-- | console-tools/setconsole.c | 47 | ||||
| -rw-r--r-- | console-tools/setkeycodes.c | 53 | ||||
| -rw-r--r-- | console-tools/setlogcons.c | 31 |
14 files changed, 780 insertions, 0 deletions
diff --git a/console-tools/Config.in b/console-tools/Config.in new file mode 100644 index 000000000..4a5710de6 --- /dev/null +++ b/console-tools/Config.in @@ -0,0 +1,105 @@ +# +# For a description of the syntax of this configuration file, +# see scripts/kbuild/config-language.txt. +# + +menu "Console Utilities" + +config CHVT + bool "chvt" + default n + help + This program is used to change to another terminal. + Example: chvt 4 (change to terminal /dev/tty4) + +config CLEAR + bool "clear" + default n + help + This program clears the terminal screen. + +config DEALLOCVT + bool "deallocvt" + default n + help + This program deallocates unused virtual consoles. + +config DUMPKMAP + bool "dumpkmap" + default n + help + This program dumps the kernel's keyboard translation table to + stdout, in binary format. You can then use loadkmap to load it. + +config LOADFONT + bool "loadfont" + default n + help + This program loads a console font from standard input. + +config LOADKMAP + bool "loadkmap" + default n + help + This program loads a keyboard translation table from + standard input. + +config OPENVT + bool "openvt" + default n + help + This program is used to start a command on an unused + virtual terminal. + +config RESET + bool "reset" + default n + help + This program is used to reset the terminal screen, if it + gets messed up. + +config RESIZE + bool "resize" + default n + help + This program is used to (re)set the width and height of your current + terminal. + +config FEATURE_RESIZE_PRINT + bool "print environment variables" + default n + depends on RESIZE + help + Prints the newly set size (number of columns and rows) of + the terminal. + E.g.: + COLUMNS=80;LINES=44;export COLUMNS LINES; + +config SETCONSOLE + bool "setconsole" + default n + help + This program redirects the system console to another device, + like the current tty while logged in via telnet. + +config FEATURE_SETCONSOLE_LONG_OPTIONS + bool "Enable long options" + default n + depends on SET_CONSOLE && GETOPT_LONG + help + Support long options for the setconsole applet. + +config SETKEYCODES + bool "setkeycodes" + default n + help + This program loads entries into the kernel's scancode-to-keycode + map, allowing unusual keyboards to generate usable keycodes. + +config SETLOGCONS + bool "setlogcons" + default n + help + This program redirects the output console of kernel messages. + +endmenu diff --git a/console-tools/Kbuild b/console-tools/Kbuild new file mode 100644 index 000000000..a55bc087c --- /dev/null +++ b/console-tools/Kbuild @@ -0,0 +1,19 @@ +# Makefile for busybox +# +# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> +# +# Licensed under the GPL v2, see the file LICENSE in this tarball. + +lib-y:= +lib-$(CONFIG_CHVT) += chvt.o +lib-$(CONFIG_CLEAR) += clear.o +lib-$(CONFIG_DEALLOCVT) += deallocvt.o +lib-$(CONFIG_DUMPKMAP) += dumpkmap.o +lib-$(CONFIG_SETCONSOLE) += setconsole.o +lib-$(CONFIG_LOADFONT) += loadfont.o +lib-$(CONFIG_LOADKMAP) += loadkmap.o +lib-$(CONFIG_OPENVT) += openvt.o +lib-$(CONFIG_RESET) += reset.o +lib-$(CONFIG_RESIZE) += resize.o +lib-$(CONFIG_SETKEYCODES) += setkeycodes.o +lib-$(CONFIG_SETLOGCONS) += setlogcons.o diff --git a/console-tools/chvt.c b/console-tools/chvt.c new file mode 100644 index 000000000..bbc5a9c31 --- /dev/null +++ b/console-tools/chvt.c @@ -0,0 +1,33 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini chvt implementation for busybox + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include "busybox.h" + +/* From <linux/vt.h> */ +enum { + VT_ACTIVATE = 0x5606, /* make vt active */ + VT_WAITACTIVE = 0x5607 /* wait for vt active */ +}; + +int chvt_main(int argc, char **argv) +{ + int fd, num; + + if (argc != 2) { + bb_show_usage(); + } + + fd = get_console_fd(); + num = xatoul_range(argv[1], 1, 63); + if ((-1 == ioctl(fd, VT_ACTIVATE, num)) + || (-1 == ioctl(fd, VT_WAITACTIVE, num))) { + bb_perror_msg_and_die("ioctl"); + } + return EXIT_SUCCESS; +} diff --git a/console-tools/clear.c b/console-tools/clear.c new file mode 100644 index 000000000..9686d5004 --- /dev/null +++ b/console-tools/clear.c @@ -0,0 +1,21 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini clear implementation for busybox + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + * + */ + +/* no options, no getopt */ + +#include <stdio.h> +#include <stdlib.h> +#include "busybox.h" + + +int clear_main(int argc, char **argv) +{ + return printf("\033[H\033[J") != 6; +} diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c new file mode 100644 index 000000000..cd581b1c8 --- /dev/null +++ b/console-tools/deallocvt.c @@ -0,0 +1,37 @@ +/* vi: set sw=4 ts=4: */ +/* + * Disallocate virtual terminal(s) + * + * Copyright (C) 2003 by Tito Ragusa <farmatito@tiscali.it> + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +/* no options, no getopt */ + +#include "busybox.h" + +/* From <linux/vt.h> */ +enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */ + +int deallocvt_main(int argc, char *argv[]) +{ + /* num = 0 deallocate all unused consoles */ + int num = 0; + + switch (argc) { + case 2: + num = xatoul_range(argv[1], 1, 63); + /* Fallthrough */ + case 1: + break; + default: + bb_show_usage(); + } + + if (-1 == ioctl(get_console_fd(), VT_DISALLOCATE, num)) { + bb_perror_msg_and_die("VT_DISALLOCATE"); + } + return EXIT_SUCCESS; +} diff --git a/console-tools/dumpkmap.c b/console-tools/dumpkmap.c new file mode 100644 index 000000000..7c6633ae8 --- /dev/null +++ b/console-tools/dumpkmap.c @@ -0,0 +1,65 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini dumpkmap implementation for busybox + * + * Copyright (C) Arne Bernin <arne@matrix.loopback.org> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + * + */ + +#include "busybox.h" + +/* From <linux/kd.h> */ +struct kbentry { + unsigned char kb_table; + unsigned char kb_index; + unsigned short kb_value; +}; +#define KDGKBENT 0x4B46 /* gets one entry in translation table */ + +/* From <linux/keyboard.h> */ +#define NR_KEYS 128 +#define MAX_NR_KEYMAPS 256 + +int dumpkmap_main(int argc, char **argv) +{ + struct kbentry ke; + int i, j, fd; + char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap"; + + if (argc >= 2 && *argv[1] == '-') + bb_show_usage(); + + fd = xopen(CURRENT_VC, O_RDWR); + + write(1, magic, 7); + + /* Here we want to set everything to 0 except for indexes: + * [0-2] [4-6] [8-10] [12] */ + memset(flags, 0x00, MAX_NR_KEYMAPS); + memset(flags, 0x01, 13); + flags[3] = flags[7] = flags[11] = 0; + + /* dump flags */ + write(1, flags, MAX_NR_KEYMAPS); + + for (i = 0; i < MAX_NR_KEYMAPS; i++) { + if (flags[i] == 1) { + for (j = 0; j < NR_KEYS; j++) { + ke.kb_index = j; + ke.kb_table = i; + if (ioctl(fd, KDGKBENT, &ke) < 0) { + bb_perror_msg("ioctl failed with %s, %s, %p", + (char *)&ke.kb_index, + (char *)&ke.kb_table, + &ke.kb_value); + } else { + write(1, (void*)&ke.kb_value, 2); + } + } + } + } + close(fd); + return EXIT_SUCCESS; +} diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c new file mode 100644 index 000000000..5a05876c2 --- /dev/null +++ b/console-tools/loadfont.c @@ -0,0 +1,193 @@ +/* vi: set sw=4 ts=4: */ +/* + * loadfont.c - Eugene Crosser & Andries Brouwer + * + * Version 0.96bb + * + * Loads the console font, and possibly the corresponding screen map(s). + * (Adapted for busybox by Matej Vela.) + */ +#include "busybox.h" +#include <sys/kd.h> + +enum { + PSF_MAGIC1 = 0x36, + PSF_MAGIC2 = 0x04, + + PSF_MODE512 = 0x01, + PSF_MODEHASTAB = 0x02, + PSF_MAXMODE = 0x03, + PSF_SEPARATOR = 0xFFFF +}; + +struct psf_header { + unsigned char magic1, magic2; /* Magic number */ + unsigned char mode; /* PSF font mode */ + unsigned char charsize; /* Character size */ +}; + +#define PSF_MAGIC_OK(x) ((x).magic1 == PSF_MAGIC1 && (x).magic2 == PSF_MAGIC2) + +static void loadnewfont(int fd); + +int loadfont_main(int argc, char **argv) +{ + int fd; + + if (argc != 1) + bb_show_usage(); + + fd = xopen(CURRENT_VC, O_RDWR); + loadnewfont(fd); + + return EXIT_SUCCESS; +} + +static void do_loadfont(int fd, unsigned char *inbuf, int unit, int fontsize) +{ + char buf[16384]; + int i; + + memset(buf, 0, sizeof(buf)); + + if (unit < 1 || unit > 32) + bb_error_msg_and_die("bad character size %d", unit); + + for (i = 0; i < fontsize; i++) + memcpy(buf + (32 * i), inbuf + (unit * i), unit); + +#if defined( PIO_FONTX ) && !defined( __sparc__ ) + { + struct consolefontdesc cfd; + + cfd.charcount = fontsize; + cfd.charheight = unit; + cfd.chardata = buf; + + if (ioctl(fd, PIO_FONTX, &cfd) == 0) + return; /* success */ + bb_perror_msg("PIO_FONTX ioctl error (trying PIO_FONT)"); + } +#endif + if (ioctl(fd, PIO_FONT, buf)) + bb_perror_msg_and_die("PIO_FONT ioctl error"); +} + +static void +do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) +{ + struct unimapinit advice; + struct unimapdesc ud; + struct unipair *up; + int ct = 0, maxct; + int glyph; + u_short unicode; + + maxct = tailsz; /* more than enough */ + up = (struct unipair *) xmalloc(maxct * sizeof(struct unipair)); + + for (glyph = 0; glyph < fontsize; glyph++) { + while (tailsz >= 2) { + unicode = (((u_short) inbuf[1]) << 8) + inbuf[0]; + tailsz -= 2; + inbuf += 2; + if (unicode == PSF_SEPARATOR) + break; + up[ct].unicode = unicode; + up[ct].fontpos = glyph; + ct++; + } + } + + /* Note: after PIO_UNIMAPCLR and before PIO_UNIMAP + this printf did not work on many kernels */ + + advice.advised_hashsize = 0; + advice.advised_hashstep = 0; + advice.advised_hashlevel = 0; + if (ioctl(fd, PIO_UNIMAPCLR, &advice)) { +#ifdef ENOIOCTLCMD + if (errno == ENOIOCTLCMD) { + bb_error_msg("it seems this kernel is older than 1.1.92"); + bb_error_msg_and_die("no Unicode mapping table loaded"); + } else +#endif + bb_perror_msg_and_die("PIO_UNIMAPCLR"); + } + ud.entry_ct = ct; + ud.entries = up; + if (ioctl(fd, PIO_UNIMAP, &ud)) { + bb_perror_msg_and_die("PIO_UNIMAP"); + } +} + +static void loadnewfont(int fd) +{ + int unit; + unsigned char inbuf[32768]; /* primitive */ + unsigned int inputlth, offset; + + /* + * We used to look at the length of the input file + * with stat(); now that we accept compressed files, + * just read the entire file. + */ + inputlth = fread(inbuf, 1, sizeof(inbuf), stdin); + if (ferror(stdin)) + bb_perror_msg_and_die("error reading input font"); + /* use malloc/realloc in case of giant files; + maybe these do not occur: 16kB for the font, + and 16kB for the map leaves 32 unicode values + for each font position */ + if (!feof(stdin)) + bb_perror_msg_and_die("font too large"); + + /* test for psf first */ + { + struct psf_header psfhdr; + int fontsize; + int hastable; + unsigned int head0, head; + + if (inputlth < sizeof(struct psf_header)) + goto no_psf; + + psfhdr = *(struct psf_header *) &inbuf[0]; + + if (!PSF_MAGIC_OK(psfhdr)) + goto no_psf; + + if (psfhdr.mode > PSF_MAXMODE) + bb_error_msg_and_die("unsupported psf file mode"); + fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256); +#if !defined( PIO_FONTX ) || defined( __sparc__ ) + if (fontsize != 256) + bb_error_msg_and_die("only fontsize 256 supported"); +#endif + hastable = (psfhdr.mode & PSF_MODEHASTAB); + unit = psfhdr.charsize; + head0 = sizeof(struct psf_header); + + head = head0 + fontsize * unit; + if (head > inputlth || (!hastable && head != inputlth)) + bb_error_msg_and_die("input file: bad length"); + do_loadfont(fd, inbuf + head0, unit, fontsize); + if (hastable) + do_loadtable(fd, inbuf + head, inputlth - head, fontsize); + return; + } + no_psf: + + /* file with three code pages? */ + if (inputlth == 9780) { + offset = 40; + unit = 16; + } else { + /* bare font */ + if (inputlth & 0377) + bb_error_msg_and_die("bad input file size"); + offset = 0; + unit = inputlth / 256; + } + do_loadfont(fd, inbuf + offset, unit, 256); +} diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c new file mode 100644 index 000000000..ce9b6817c --- /dev/null +++ b/console-tools/loadkmap.c @@ -0,0 +1,61 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini loadkmap implementation for busybox + * + * Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + * + */ + +#include "busybox.h" + +#define BINARY_KEYMAP_MAGIC "bkeymap" + +/* From <linux/kd.h> */ +struct kbentry { + unsigned char kb_table; + unsigned char kb_index; + unsigned short kb_value; +}; +/* sets one entry in translation table */ +#define KDSKBENT 0x4B47 + +/* From <linux/keyboard.h> */ +#define NR_KEYS 128 +#define MAX_NR_KEYMAPS 256 + +int loadkmap_main(int argc, char **argv) +{ + struct kbentry ke; + int i, j, fd; + u_short ibuff[NR_KEYS]; + char flags[MAX_NR_KEYMAPS]; + char buff[7]; + + if (argc != 1) + bb_show_usage(); + + fd = xopen(CURRENT_VC, O_RDWR); + + xread(0, buff, 7); + if (strncmp(buff, BINARY_KEYMAP_MAGIC, 7)) + bb_error_msg_and_die("this is not a valid binary keymap"); + + xread(0, flags, MAX_NR_KEYMAPS); + + for (i = 0; i < MAX_NR_KEYMAPS; i++) { + if (flags[i] == 1) { + xread(0, ibuff, NR_KEYS * sizeof(u_short)); + for (j = 0; j < NR_KEYS; j++) { + ke.kb_index = j; + ke.kb_table = i; + ke.kb_value = ibuff[j]; + ioctl(fd, KDSKBENT, &ke); + } + } + } + + if (ENABLE_FEATURE_CLEAN_UP) close(fd); + return 0; +} diff --git a/console-tools/openvt.c b/console-tools/openvt.c new file mode 100644 index 000000000..f1cf5645b --- /dev/null +++ b/console-tools/openvt.c @@ -0,0 +1,45 @@ +/* vi: set sw=4 ts=4: */ +/* + * openvt.c - open a vt to run a command. + * + * busyboxed by Quy Tonthat <quy@signal3.com> + * hacked by Tito <farmatito@tiscali.it> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +/* getopt not needed */ + +#include "busybox.h" + +int openvt_main(int argc, char **argv) +{ + int fd; + char vtname[sizeof(VC_FORMAT) + 2]; + + + if (argc < 3) { + bb_show_usage(); + } + /* check for illegal vt number: < 1 or > 63 */ + sprintf(vtname, VC_FORMAT, (int)xatoul_range(argv[1], 1, 63)); + + if (fork() == 0) { + /* leave current vt */ + if (setsid() < 0) { + bb_perror_msg_and_die("setsid"); + } + close(0); /* so that new vt becomes stdin */ + + /* and grab new one */ + fd = xopen(vtname, O_RDWR); + + /* Reassign stdout and sterr */ + dup2(fd, STDOUT_FILENO); + dup2(fd, STDERR_FILENO); + + execvp(argv[2], &argv[2]); + _exit(1); + } + return EXIT_SUCCESS; +} diff --git a/console-tools/reset.c b/console-tools/reset.c new file mode 100644 index 000000000..26aab667b --- /dev/null +++ b/console-tools/reset.c @@ -0,0 +1,32 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini reset implementation for busybox + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * Written by Erik Andersen and Kent Robotti <robotti@metconnect.com> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +/* no options, no getopt */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include "busybox.h" + +int reset_main(int argc, char **argv) +{ + if (isatty(1)) { + /* See 'man 4 console_codes' for details: + * "ESC c" -- Reset + * "ESC ( K" -- Select user mapping + * "ESC [ J" -- Erase display + * "ESC [ 0 m" -- Reset all display attributes + * "ESC [ ? 25 h" -- Make cursor visible. + */ + printf("\033c\033(K\033[J\033[0m\033[?25h"); + } + return EXIT_SUCCESS; +} + diff --git a/console-tools/resize.c b/console-tools/resize.c new file mode 100644 index 000000000..c405629aa --- /dev/null +++ b/console-tools/resize.c @@ -0,0 +1,38 @@ +/* vi: set sw=4 ts=4: */ +/* + * resize - set terminal width and height. + * + * Copyright 2006 Bernhard Fischer + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ +/* no options, no getopt */ +#include "busybox.h" + +int resize_main(int argc, char **argv) +{ + struct termios old, new; + struct winsize w = {0,0,0,0}; + int ret; + + tcgetattr(STDOUT_FILENO, &old); /* fiddle echo */ + new = old; + new.c_cflag |= (CLOCAL | CREAD); + new.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); + tcsetattr(STDOUT_FILENO, TCSANOW, &new); + /* save_cursor_pos 7 + * scroll_whole_screen [r + * put_cursor_waaaay_off [$x;$yH + * get_cursor_pos [6n + * restore_cursor_pos 8 + */ + printf("\0337\033[r\033[999;999H\033[6n"); + scanf("\033[%hu;%huR", &w.ws_row, &w.ws_col); + ret = ioctl(STDOUT_FILENO, TIOCSWINSZ, &w); + printf("\0338"); + tcsetattr(STDOUT_FILENO, TCSANOW, &old); + if (ENABLE_FEATURE_RESIZE_PRINT) + printf("COLUMNS=%d;LINES=%d;export COLUMNS LINES;\n", + w.ws_col, w.ws_row); + return ret; +} diff --git a/console-tools/setconsole.c b/console-tools/setconsole.c new file mode 100644 index 000000000..ef81f298b --- /dev/null +++ b/console-tools/setconsole.c @@ -0,0 +1,47 @@ +/* vi: set sw=4 ts=4: */ +/* + * setconsole.c - redirect system console output + * + * Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include "busybox.h" + +#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS +static const struct option setconsole_long_options[] = { + { "reset", 0, NULL, 'r' }, + { 0, 0, 0, 0 } +}; +#endif + +#define OPT_SETCONS_RESET 1 + +int setconsole_main(int argc, char **argv) +{ + unsigned long flags; + const char *device = CURRENT_TTY; + +#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS + applet_long_options = setconsole_long_options; +#endif + flags = getopt32(argc, argv, "r"); + + if (argc - optind > 1) + bb_show_usage(); + + if (argc - optind == 1) { + if (flags & OPT_SETCONS_RESET) + bb_show_usage(); + device = argv[optind]; + } else { + if (flags & OPT_SETCONS_RESET) + device = CONSOLE_DEV; + } + + if (-1 == ioctl(xopen(device, O_RDONLY), TIOCCONS)) { + bb_perror_msg_and_die("TIOCCONS"); + } + return EXIT_SUCCESS; +} diff --git a/console-tools/setkeycodes.c b/console-tools/setkeycodes.c new file mode 100644 index 000000000..d82525786 --- /dev/null +++ b/console-tools/setkeycodes.c @@ -0,0 +1,53 @@ +/* vi: set sw=4 ts=4: */ +/* + * setkeycodes + * + * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl> + * + * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org> + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include "busybox.h" + + +/* From <linux/kd.h> */ +struct kbkeycode { + unsigned int scancode, keycode; +}; +enum { + KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */ +}; + +extern int +setkeycodes_main(int argc, char** argv) +{ + int fd, sc; + struct kbkeycode a; + + if (argc % 2 != 1 || argc < 2) { + bb_show_usage(); + } + + fd = get_console_fd(); + + while (argc > 2) { + a.keycode = xatoul_range(argv[2], 0, 127); + a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255); + if (a.scancode > 127) { + a.scancode -= 0xe000; + a.scancode += 128; + } + if (ioctl(fd, KDSETKEYCODE, &a)) { + bb_perror_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode); + } + argc -= 2; + argv += 2; + } + return EXIT_SUCCESS; +} diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c new file mode 100644 index 000000000..ae15b9b28 --- /dev/null +++ b/console-tools/setlogcons.c @@ -0,0 +1,31 @@ +/* vi: set sw=4 ts=4: */ +/* + * setlogcons: Send kernel messages to the current console or to console N + * + * Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de> + * + * Based on setlogcons (kbd-1.12) by Andries E. Brouwer + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include "busybox.h" + +extern int setlogcons_main(int argc, char **argv) +{ + struct { + char fn; + char subarg; + } arg; + + arg.fn = 11; /* redirect kernel messages */ + arg.subarg = 0; /* to specified console (current as default) */ + + if (argc == 2) + arg.subarg = xatoul_range(argv[1], 0, 63); + + if (ioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg)) + bb_perror_msg_and_die("TIOCLINUX"); + + return 0; +} |