#include "libbb.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) MAIN_EXTERNALLY_VISIBLE;
int chvt_main(int argc, char **argv)
{
- int fd, num;
+ int num;
if (argc != 2) {
bb_show_usage();
}
- fd = get_console_fd();
num = xatou_range(argv[1], 1, 63);
/* double cast suppresses "cast to ptr from int of different size" */
- xioctl(fd, VT_ACTIVATE, (void *)(ptrdiff_t)num);
- xioctl(fd, VT_WAITACTIVE, (void *)(ptrdiff_t)num);
+ console_make_active(get_console_fd(), num);
return EXIT_SUCCESS;
}
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
+/* no options, no getopt */
#include "libbb.h"
#define MAX_NR_KEYMAPS 256
int dumpkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int dumpkmap_main(int argc, char **argv)
+int dumpkmap_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv)
{
struct kbentry ke;
int i, j, fd;
- char flags[MAX_NR_KEYMAPS];
+ RESERVE_CONFIG_BUFFER(flags,MAX_NR_KEYMAPS);
- if (argc >= 2 && argv[1][0] == '-')
- bb_show_usage();
+/* bb_warn_ignoring_args(argc>=2);*/
fd = xopen(CURRENT_VC, O_RDWR);
- write(1, "bkeymap", 7);
+ write(STDOUT_FILENO, "bkeymap", 7);
/* Here we want to set everything to 0 except for indexes:
* [0-2] [4-6] [8-10] [12] */
flags[3] = flags[7] = flags[11] = 0;
/* dump flags */
- write(1, flags, MAX_NR_KEYMAPS);
+ write(STDOUT_FILENO, flags, MAX_NR_KEYMAPS);
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
if (flags[i] == 1) {
(char *)&ke.kb_table,
&ke.kb_value)
) {
- write(1, (void*)&ke.kb_value, 2);
+ write(STDOUT_FILENO, (void*)&ke.kb_value, 2);
}
}
}
}
- close(fd);
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ close(fd);
+ RELEASE_CONFIG_BUFFER(flags);
+ }
return EXIT_SUCCESS;
}
/* vi: set sw=4 ts=4: */
/*
- * Mini loadkmap implementation for busybox
+ * Mini kbd_mode implementation for busybox
*
* Copyright (C) 2007 Loïc Grenié <loic.grenie@gmail.com>
* written using Andries Brouwer <aeb@cwi.nl>'s kbd_mode from
#include <linux/kd.h>
int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int kbd_mode_main(int argc, char **argv)
+int kbd_mode_main(int ATTRIBUTE_UNUSED argc, char **argv)
{
- static const char opts[] = "saku";
-
- const char *opt = argv[1];
- const char *p;
int fd;
-
+ unsigned opt;
+ enum {
+ SCANCODE = (1<<0),
+ ASCII = (1<<1),
+ MEDIUMRAW= (1<<2),
+ UNICODE = (1<<3)
+ };
+ static const char KD_xxx[] ALIGN1 = "saku";
+ opt = getopt32(argv, KD_xxx);
fd = get_console_fd();
- if (fd < 0) /* get_console_fd() already complained */
+/* if (fd < 0)
return EXIT_FAILURE;
+*/
+ if (!opt) { /* print current setting */
+ const char *mode = "unknown";
+ int m;
- if (opt == NULL) {
- /* No arg */
- const char *msg = "unknown";
- int mode;
-
- ioctl(fd, KDGKBMODE, &mode);
- switch(mode) {
- case K_RAW:
- msg = "raw (scancode)";
- break;
- case K_XLATE:
- msg = "default (ASCII)";
- break;
- case K_MEDIUMRAW:
- msg = "mediumraw (keycode)";
- break;
- case K_UNICODE:
- msg = "Unicode (UTF-8)";
- break;
- }
- printf("The keyboard is in %s mode\n", msg);
- }
- else if (argc > 2 /* more than 1 arg */
- || *opt != '-' /* not an option */
- || (p = strchr(opts, opt[1])) == NULL /* not an option we expect */
- || opt[2] != '\0' /* more than one option char */
- ) {
- bb_show_usage();
- /* return EXIT_FAILURE; - not reached */
- }
- else {
-#if K_RAW != 0 || K_XLATE != 1 || K_MEDIUMRAW != 2 || K_UNICODE != 3
-#error kbd_mode must be changed
-#endif
- /* The options are in the order of the various K_xxx */
- ioctl(fd, KDSKBMODE, p - opts);
+ ioctl(fd, KDGKBMODE, &m);
+ if (m == K_RAW)
+ mode = "raw (scancode)";
+ else if (m == K_XLATE)
+ mode = "default (ASCII)";
+ else if (m == K_MEDIUMRAW)
+ mode = "mediumraw (keycode)";
+ else if (m == K_UNICODE)
+ mode = "Unicode (UTF-8)";
+ printf("The keyboard is in %s mode\n", mode);
+ } else {
+ opt = opt & UNICODE ? 3 : opt >> 1;
+ xioctl(fd, KDSKBMODE, &opt);
}
if (ENABLE_FEATURE_CLEAN_UP)
#define MAX_NR_KEYMAPS 256
int loadkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int loadkmap_main(int argc, char **argv ATTRIBUTE_UNUSED)
+int loadkmap_main(int ATTRIBUTE_UNUSED argc, char **argv ATTRIBUTE_UNUSED)
{
struct kbentry ke;
int i, j, fd;
uint16_t ibuff[NR_KEYS];
- char flags[MAX_NR_KEYMAPS];
- char buff[7];
+ RESERVE_CONFIG_BUFFER(flags,MAX_NR_KEYMAPS);
- if (argc != 1)
- bb_show_usage();
+/* bb_warn_ignoring_args(argc>=2);*/
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(STDIN_FILENO, flags, 7);
+ if (strncmp(flags, BINARY_KEYMAP_MAGIC, 7))
+ bb_error_msg_and_die("not a valid binary keymap");
- xread(0, flags, MAX_NR_KEYMAPS);
+ xread(STDIN_FILENO, flags, MAX_NR_KEYMAPS);
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
if (flags[i] == 1) {
- xread(0, ibuff, NR_KEYS * sizeof(uint16_t));
+ xread(STDIN_FILENO, ibuff, NR_KEYS * sizeof(uint16_t));
for (j = 0; j < NR_KEYS; j++) {
ke.kb_index = j;
ke.kb_table = i;
}
}
- if (ENABLE_FEATURE_CLEAN_UP) close(fd);
- return 0;
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ close(fd);
+ RELEASE_CONFIG_BUFFER(flags);
+ }
+ return EXIT_SUCCESS;
}
for (fd = 0; fd < 3; fd++)
if (!not_vt_fd(fd))
return fd;
- /* _only_ O_NONBLOCK: ask for neither read not write perms */
+ /* _only_ O_NONBLOCK: ask for neither read nor write perms */
+ /*FIXME: use? device_open(DEV_CONSOLE,0); */
fd = open(DEV_CONSOLE, O_NONBLOCK);
if (fd >= 0 && !not_vt_fd(fd))
return fd;
/* CHILD */
/* Try to make this VT our controlling tty */
setsid(); /* lose old ctty */
- ioctl(0, TIOCSCTTY, 0 /* 0: don't forcibly steal */);
+ ioctl(STDIN_FILENO, TIOCSCTTY, 0 /* 0: don't forcibly steal */);
//bb_error_msg("our sid %d", getsid(0));
//bb_error_msg("our pgrp %d", getpgrp());
//bb_error_msg("VT's sid %d", tcgetsid(0));
sprintf(vtname, VC_FORMAT, vtno);
/* (Try to) clean up stray open fds above fd 2 */
bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS | DAEMON_ONLY_SANITIZE, NULL);
- close(0);
+ close(STDIN_FILENO);
/*setsid(); - BAD IDEA: after we exit, child is SIGHUPed... */
xopen(vtname, O_RDWR);
- xioctl(0, VT_GETSTATE, &vtstat);
+ xioctl(STDIN_FILENO, VT_GETSTATE, &vtstat);
if (flags & OPT_s) {
- xioctl(0, VT_ACTIVATE, (void*)(ptrdiff_t)vtno);
- xioctl(0, VT_WAITACTIVE, (void*)(ptrdiff_t)vtno);
+ console_make_active(STDIN_FILENO, vtno);
}
if (!argv[0]) {
/*argv[1] = NULL; - already is */
}
- xdup2(0, STDOUT_FILENO);
- xdup2(0, STDERR_FILENO);
+ xdup2(STDIN_FILENO, STDOUT_FILENO);
+ xdup2(STDIN_FILENO, STDERR_FILENO);
#ifdef BLOAT
+ {
/* Handle -l (login shell) option */
const char *prog = argv[0];
if (flags & OPT_l)
argv[0] = xasprintf("-%s", argv[0]);
+ }
#endif
vfork_child(argv);
/* We have only one child, wait for it */
safe_waitpid(-1, NULL, 0); /* loops on EINTR */
if (flags & OPT_s) {
- xioctl(0, VT_ACTIVATE, (void*)(ptrdiff_t)(vtstat.v_active));
- xioctl(0, VT_WAITACTIVE, (void*)(ptrdiff_t)(vtstat.v_active));
+ console_make_active(STDIN_FILENO, vtstat.v_active);
// Compat: even with -c N (try to) disallocate:
// # /usr/app/kbd-1.12/bin/openvt -f -c 9 -ws sleep 5
// openvt: could not deallocate console 9
- xioctl(0, VT_DISALLOCATE, (void*)(ptrdiff_t)vtno);
+ xioctl(STDIN_FILENO, VT_DISALLOCATE, (void*)(ptrdiff_t)vtno);
}
}
return EXIT_SUCCESS;
/* no options, no getopt */
- if (isatty(0) && isatty(1)) {
+ if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO)) {
/* See 'man 4 console_codes' for details:
* "ESC c" -- Reset
* "ESC ( K" -- Select user mapping
* setconsole.c - redirect system console output
*
* Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de>
+ * Copyright (C) 2008 Bernhard Fischer
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
-#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
-static const char setconsole_longopts[] ALIGN1 =
- "reset\0" No_argument "r"
- ;
-#endif
-
-#define OPT_SETCONS_RESET 1
-
int setconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int setconsole_main(int argc, char **argv)
+int setconsole_main(int ATTRIBUTE_UNUSED argc, char **argv)
{
- unsigned long flags;
const char *device = CURRENT_TTY;
+ bool reset;
#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
+ static const char setconsole_longopts[] ALIGN1 =
+ "reset\0" No_argument "r"
+ ;
applet_long_options = setconsole_longopts;
#endif
- flags = getopt32(argv, "r");
-
- if (argc - optind > 1)
- bb_show_usage();
+ /* at most one non-option argument */
+ opt_complementary = "?1";
+ reset = getopt32(argv, "r");
- if (argc - optind == 1) {
- if (flags & OPT_SETCONS_RESET)
- bb_show_usage();
- device = argv[optind];
+ argv += 1 + reset;
+ if (*argv) {
+ device = *argv;
} else {
- if (flags & OPT_SETCONS_RESET)
+ if (reset)
device = DEV_CONSOLE;
}
struct {
char fn;
char subarg;
- } arg;
-
- arg.fn = 11; /* redirect kernel messages */
- arg.subarg = 0; /* to specified console (current as default) */
+ } arg = { 11, /* redirect kernel messages */
+ 0 /* to specified console (current as default) */
+ };
if (argv[1])
arg.subarg = xatou_range(argv[1], 0, 63);
xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg);
- return 0;
+ return EXIT_SUCCESS;
}
void* userData, unsigned depth);
extern int device_open(const char *device, int mode);
enum { GETPTY_BUFSIZE = 16 }; /* more than enough for "/dev/ttyXXX" */
-extern int getpty(char *line);
+extern int xgetpty(char *line);
extern int get_console_fd(void);
+extern void console_make_active(int fd, const int vt_num);
extern char *find_block_device(const char *path);
/* bb_copyfd_XX print read/write errors and return -1 if they occur */
extern off_t bb_copyfd_eof(int fd1, int fd2);
// if some data was written before error occurred
extern ssize_t full_write(int fd, const void *buf, size_t count);
extern void xwrite(int fd, const void *buf, size_t count);
+extern void xopen_xwrite_close(const char* file, const char *str);
/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
extern void xprint_and_close_file(FILE *file);
#define dumpkmap_trivial_usage \
"> keymap"
#define dumpkmap_full_usage "\n\n" \
- "Print out a binary keyboard translation table to standard output"
+ "Print a binary keyboard translation table to standard output"
#define dumpkmap_example_usage \
"$ dumpkmap > keymap\n"
lib-y += warn_ignoring_args.o
lib-y += wfopen.o
lib-y += wfopen_input.o
+lib-y += write.o
lib-y += xatonum.o
lib-y += xconnect.o
lib-y += xfuncs.o
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-//#include <sys/ioctl.h>
#include "libbb.h"
-
/* From <linux/kd.h> */
enum { KDGKBTYPE = 0x4B33 }; /* get keyboard type */
bb_error_msg("can't open console");
return fd; /* total failure */
}
+
+/* From <linux/vt.h> */
+enum {
+ VT_ACTIVATE = 0x5606, /* make vt active */
+ VT_WAITACTIVE = 0x5607 /* wait for vt active */
+};
+
+void console_make_active(int fd, const int vt_num)
+{
+ xioctl(fd, VT_ACTIVATE, (void *)(ptrdiff_t)vt_num);
+ xioctl(fd, VT_WAITACTIVE, (void *)(ptrdiff_t)vt_num);
+}
#define DEBUG 0
-int getpty(char *line)
+int xgetpty(char *line)
{
int p;
#if ENABLE_FEATURE_DEVPTS
name = ptsname(p);
if (!name) {
bb_perror_msg("ptsname error (is /dev/pts mounted?)");
- return -1;
+ goto fail;
}
safe_strncpy(line, name, GETPTY_BUFSIZE);
return p;
}
}
#endif /* FEATURE_DEVPTS */
- return -1;
+USE_FEATURE_DEVPTS( fail:)
+ bb_error_msg_and_die("open pty");
+ return -1; /* never get here */
}
--- /dev/null
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 2008 Bernhard Fischer
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+
+/* Open file and write string str to it, close file.
+ * Die on any open or write-error. */
+void xopen_xwrite_close(const char* file, const char* str)
+{
+ int fd = xopen(file, O_WRONLY);
+
+ xwrite(fd, str, strlen(str));
+ close(fd);
+}
/*ts->buf2 = ts->buf1 + BUFSIZE;*/
/* Got a new connection, set up a tty. */
- fd = getpty(tty_name);
- if (fd < 0) {
- bb_error_msg("can't create pty");
- return NULL;
- }
+ fd = xgetpty(tty_name);
if (fd > maxfd)
maxfd = fd;
ts->ptyfd = fd;
CONFIG_PIVOT_ROOT=y
CONFIG_RDATE=y
CONFIG_READPROFILE=y
-# CONFIG_RTCWAKE is not set
+CONFIG_RTCWAKE=y
CONFIG_SETARCH=y
CONFIG_SWAPONOFF=y
CONFIG_SWITCH_ROOT=y
#
CONFIG_ADJTIMEX=y
# CONFIG_BBCONFIG is not set
-# CONFIG_CHAT is not set
-# CONFIG_FEATURE_CHAT_NOFAIL is not set
+CONFIG_CHAT=y
+CONFIG_FEATURE_CHAT_NOFAIL=y
# CONFIG_FEATURE_CHAT_TTY_HIFI is not set
-# CONFIG_FEATURE_CHAT_IMPLICIT_CR is not set
+CONFIG_FEATURE_CHAT_IMPLICIT_CR=y
# CONFIG_FEATURE_CHAT_SWALLOW_OPTS is not set
# CONFIG_FEATURE_CHAT_SEND_ESCAPES is not set
# CONFIG_FEATURE_CHAT_VAR_ABORT_LEN is not set
static time_t rtc_time;
-static int may_wakeup(const char *rtcname)
+static bool may_wakeup(const char *rtcname)
{
ssize_t ret;
char buf[128];
snprintf(buf, sizeof(buf), SYS_RTC_PATH, rtcname);
ret = open_read_close(buf, buf, sizeof(buf));
if (ret < 0)
- return 0;
+ return false;
/* wakeup events could be disabled or not supported */
return strncmp(buf, "enabled\n", 8) == 0;
}
}
-static void suspend_system(const char *suspend)
-{
- FILE *f = xfopen(SYS_POWER_PATH, "w");
- fprintf(f, "%s\n", suspend);
- fflush(f);
- /* this executes after wake from suspend */
- fclose(f);
-}
-
#define RTCWAKE_OPT_AUTO 0x01
#define RTCWAKE_OPT_LOCAL 0x02
#define RTCWAKE_OPT_UTC 0x04
usleep(10 * 1000);
if (strcmp(suspend, "on"))
- suspend_system(suspend);
+ xopen_xwrite_close(SYS_POWER_PATH, suspend);
else {
/* "fake" suspend ... we'll do the delay ourselves */
unsigned long data;
shell = DEFAULT_SHELL;
}
- pty = getpty(pty_line);
- if (pty < 0) {
- bb_perror_msg_and_die("can't get pty");
- }
+ pty = xgetpty(pty_line);
/* get current stdin's tty params */
attr_ok = tcgetattr(0, &tt);
projects / platform / upstream / busybox.git / commitdiff