int watchdog_main(int argc, char **argv)
{
char *t_arg;
unsigned long flags;
flags = bb_getopt_ulflags(argc, argv, "t:", &t_arg);
if (flags & 1)
timer_duration = bb_xgetlarg(t_arg, 10, 0, INT_MAX);
/* We're only interested in the watchdog device .. */
if (optind < argc - 1 || argc == 1)
bb_show_usage();
if (daemon(0, 1) < 0)
bb_perror_msg_and_die("Failed forking watchdog daemon");
signal(SIGHUP, watchdog_shutdown);
signal(SIGINT, watchdog_shutdown);
fd = bb_xopen(argv[argc - 1], O_WRONLY);
while (1) {
/*
* Make sure we clear the counter before sleeping, as the counter value
* is undefined at this point -- PFM
*/
write(fd, "\0", 1);
sleep(timer_duration);
}
watchdog_shutdown(0);
return EXIT_SUCCESS;
}
/*
* addgroup will take a login_name as its first parameter.
*
* gid
*
* can be customized via command-line parameters.
* ________________________________________________________________________ */
int addgroup_main(int argc, char **argv)
{
char *group;
char *user;
gid_t gid = 0;
/* get remaining args */
if(bb_getopt_ulflags(argc, argv, "g:", &group)) {
gid = bb_xgetlarg(group, 10, 0, LONG_MAX);
}
if (optind < argc) {
group = argv[optind];
optind++;
} else {
bb_show_usage();
}
if (optind < argc) {
user = argv[optind];
} else {
user = "";
}
if_i_am_not_root();
/* werk */
return addgroup(bb_path_group_file, group, gid, user);
}
int
start_stop_daemon_main(int argc, char **argv)
{
unsigned long opt;
char *signame = NULL;
char *startas = NULL;
bb_applet_long_options = ssd_long_options;
bb_opt_complementaly = "K~S:S~K";
opt = bb_getopt_ulflags(argc, argv, "KSba:n:s:u:x:",
&startas, &cmdname, &signame, &userspec, &execname);
/* Check one and only one context option was given */
if ((opt & 0x80000000UL) || (opt & (SSD_CTX_STOP | SSD_CTX_START)) == 0) {
bb_show_usage();
}
if (signame) {
signal_nr = bb_xgetlarg(signame, 10, 0, NSIG);
}
if (!execname && !userspec)
bb_error_msg_and_die ("need at least one of -x or -u");
if (!startas)
startas = execname;
if ((opt & SSD_CTX_START) && !startas)
bb_error_msg_and_die ("-S needs -x or -a");
argc -= optind;
argv += optind;
if (userspec && sscanf(userspec, "%d", &user_id) != 1)
user_id = my_getpwnam(userspec);
do_procfs();
if (opt & SSD_CTX_STOP) {
do_stop();
return EXIT_SUCCESS;
}
if (found) {
printf("%s already running.\n%d\n", execname ,found->pid);
return EXIT_SUCCESS;
}
*--argv = startas;
if (opt & SSD_OPT_BACKGROUND) {
if (daemon(0, 0) == -1)
bb_perror_msg_and_die ("unable to fork");
}
setsid();
execv(startas, argv);
bb_perror_msg_and_die ("unable to start %s", startas);
}
int
start_stop_daemon_main(int argc, char **argv)
{
int flags;
char *signame = NULL;
bb_applet_long_options = ssd_long_options;
flags = bb_getopt_ulflags(argc, argv, "KSba:n:s:u:x:",
&startas, &cmdname, &signame, &userspec, &execname);
/* Be sneaky and avoid branching */
stop = (flags & 1);
start = (flags & 2);
fork_before_exec = (flags & 4);
if (signame) {
signal_nr = bb_xgetlarg(signame, 10, 0, NSIG);
}
if (start == stop)
bb_error_msg_and_die ("need exactly one of -S or -K");
if (!execname && !userspec)
bb_error_msg_and_die ("need at least one of -x or -u");
if (!startas)
startas = execname;
if (start && !startas)
bb_error_msg_and_die ("-S needs -x or -a");
argc -= optind;
argv += optind;
if (userspec && sscanf(userspec, "%d", &user_id) != 1)
user_id = my_getpwnam(userspec);
do_procfs();
if (stop) {
do_stop();
return EXIT_SUCCESS;
}
if (found) {
printf("%s already running.\n%d\n", execname ,found->pid);
return EXIT_SUCCESS;
}
*--argv = startas;
if (fork_before_exec) {
if (daemon(0, 0) == -1)
bb_perror_msg_and_die ("unable to fork");
}
setsid();
execv(startas, argv);
bb_perror_msg_and_die ("unable to start %s", startas);
}
int chvt_main(int argc, char **argv)
{
int fd, num;
if (argc != 2) {
bb_show_usage();
}
fd = get_console_fd();
num = bb_xgetlarg(argv[1], 10, 0, INT_MAX);
if ((-1 == ioctl(fd, VT_ACTIVATE, num))
|| (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
bb_perror_msg_and_die("ioctl");
}
return EXIT_SUCCESS;
}
/* Process options */
int run_parts_main(int argc, char **argv)
{
char **args = xmalloc(2 * sizeof(char *));
unsigned char test_mode = 0;
unsigned short argcount = 1;
int opt;
umask(022);
while ((opt = getopt_long (argc, argv, "tu:a:",
runparts_long_options, NULL)) > 0)
{
switch (opt) {
/* Enable test mode */
case 't':
test_mode++;
break;
/* Set the umask of the programs executed */
case 'u':
/* Check and set the umask of the program executed. As stated in the original
* run-parts, the octal conversion in libc is not foolproof; it will take the
* 8 and 9 digits under some circumstances. We'll just have to live with it.
*/
umask(bb_xgetlarg(optarg, 8, 0, 07777));
break;
/* Pass an argument to the programs */
case 'a':
/* Add an argument to the commands that we will call.
* Called once for every argument. */
args = xrealloc(args, (argcount + 2) * (sizeof(char *)));
args[argcount++] = optarg;
break;
default:
bb_show_usage();
}
}
/* We require exactly one argument: the directory name */
if (optind != (argc - 1)) {
bb_show_usage();
}
args[0] = argv[optind];
args[argcount] = 0;
return(run_parts(args, test_mode, environ));
}
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 > 12 */
sprintf(vtname, VC_FORMAT,(int)bb_xgetlarg(argv[1], 10, 1, 12));
argv+=2;
argc-=2;
if(fork() == 0) {
/* leave current vt */
#ifdef ESIX_5_3_2_D
if (setpgrp() < 0) {
#else
if (setsid() < 0) {
#endif
bb_perror_msg_and_die("Unable to set new session");
}
close(0); /* so that new vt becomes stdin */
/* and grab new one */
fd = bb_xopen(vtname, O_RDWR);
/* Reassign stdout and sterr */
close(1);
close(2);
dup(fd);
dup(fd);
execvp(argv[0], argv);
_exit(1);
}
return EXIT_SUCCESS;
}
int nice_main(int argc, char **argv)
{
static const char Xetpriority_msg[] = "cannot %cet priority";
int old_priority, adjustment;
errno = 0; /* Needed for getpriority error detection. */
old_priority = getpriority(PRIO_PROCESS, 0);
if (errno) {
bb_perror_msg_and_die(Xetpriority_msg, 'g');
}
if (!*++argv) { /* No args, so (GNU) output current nice value. */
bb_printf("%d\n", old_priority);
bb_fflush_stdout_and_exit(EXIT_SUCCESS);
}
adjustment = 10; /* Set default adjustment. */
if ((argv[0][0] == '-') && (argv[0][1] == 'n') && !argv[0][2]) { /* "-n" */
if (argc < 4) { /* Missing priority and/or utility! */
bb_show_usage();
}
adjustment = bb_xgetlarg(argv[1], 10, INT_MIN, INT_MAX);
argv += 2;
}
{ /* Set our priority. Handle integer wrapping for old + adjust. */
int new_priority = int_add_no_wrap(old_priority, adjustment);
if (setpriority(PRIO_PROCESS, 0, new_priority) < 0) {
bb_perror_msg_and_die(Xetpriority_msg, 's');
}
}
execvp(*argv, argv); /* Now exec the desired program. */
/* The exec failed... */
bb_default_error_retval = (errno == ENOENT) ? 127 : 126; /* SUSv3 */
bb_perror_msg_and_die("%s", *argv);
}
extern int watchdog_main(int argc, char **argv)
{
int opt;
while ((opt = getopt(argc, argv, "t:")) > 0) {
switch (opt) {
case 't':
timer_duration = bb_xgetlarg(optarg, 10, 0, INT_MAX);
break;
default:
bb_show_usage();
}
}
/* We're only interested in the watchdog device .. */
if (optind < argc - 1 || argc == 1)
bb_show_usage();
if (daemon(0, 1) < 0)
bb_perror_msg_and_die("Failed forking watchdog daemon");
signal(SIGHUP, watchdog_shutdown);
signal(SIGINT, watchdog_shutdown);
signal(SIGTERM, watchdog_safe_terminate);
fd = bb_xopen(argv[argc - 1], O_WRONLY);
while (1) {
/*
* Make sure we clear the counter before sleeping, as the counter value
* is undefined at this point -- PFM
*/
write(fd, "\0", 1);
sleep(timer_duration);
}
watchdog_shutdown(0);
return EXIT_SUCCESS;
}
int deallocvt_main(int argc, char *argv[])
{
/* num = 0 deallocate all unused consoles */
int num = 0;
switch(argc)
{
case 2:
if((num = bb_xgetlarg(argv[1], 10, 0, INT_MAX)) == 0)
bb_error_msg_and_die("0: illegal VT number");
/* 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;
}
/*
* addgroup will take a login_name as its first parameter.
*
* gid
*
* can be customized via command-line parameters.
* ________________________________________________________________________ */
int addgroup_main(int argc, char **argv)
{
char *group;
gid_t gid = 0;
/* check for min, max and missing args and exit on error */
bb_opt_complementally = "-1:?2:?";
if (bb_getopt_ulflags(argc, argv, "g:", &group)) {
gid = bb_xgetlarg(group, 10, 0, LONG_MAX);
}
/* move past the commandline options */
argv += optind;
/* need to be root */
if(geteuid()) {
bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
}
/* werk */
return addgroup(argv[0], gid, (argv[1]) ? argv[1] : "");
}
int
start_stop_daemon_main(int argc, char **argv)
{
unsigned long opt;
char *signame = NULL;
char *startas = NULL;
bb_applet_long_options = ssd_long_options;
/* Check required one context option was given */
bb_opt_complementally = "K:S:?:K--S:S--K";
opt = bb_getopt_ulflags(argc, argv, "KSbqma:n:s:u:x:p:",
&startas, &cmdname, &signame, &userspec, &execname, &pidfile);
quiet = opt & SSD_OPT_QUIET;
if (signame) {
signal_nr = bb_xgetlarg(signame, 10, 0, NSIG);
}
if (!execname && !pidfile && !userspec && !cmdname)
bb_error_msg_and_die ("need at least one of -x, -p, -u, or -n");
if (!startas)
startas = execname;
if ((opt & SSD_CTX_START) && !startas)
bb_error_msg_and_die ("-S needs -x or -a");
if ((opt & SSD_OPT_MAKEPID) && pidfile == NULL)
bb_error_msg_and_die ("-m needs -p");
argc -= optind;
argv += optind;
if (userspec && sscanf(userspec, "%d", &user_id) != 1)
user_id = bb_xgetpwnam(userspec);
if (opt & SSD_CTX_STOP) {
do_stop();
return EXIT_SUCCESS;
}
do_procinit();
if (found) {
if (!quiet)
printf("%s already running.\n%d\n", execname ,found->pid);
return EXIT_SUCCESS;
}
*--argv = startas;
if (opt & SSD_OPT_BACKGROUND) {
if (daemon(0, 0) == -1)
bb_perror_msg_and_die ("unable to fork");
setsid();
}
if (opt & SSD_OPT_MAKEPID) {
/* user wants _us_ to make the pidfile */
FILE *pidf = fopen(pidfile, "w");
pid_t pidt = getpid();
if (pidf == NULL)
bb_perror_msg_and_die("Unable to write pidfile '%s'", pidfile);
fprintf(pidf, "%d\n", pidt);
fclose(pidf);
}
execv(startas, argv);
bb_perror_msg_and_die ("unable to start %s", startas);
}
int mkswap_main(int argc, char **argv)
{
char *tmp;
struct stat statbuf;
int sz;
int maxpages;
int goodpages;
#ifdef __sparc__
int force = 0;
#endif
init_signature_page(); /* get pagesize */
bb_opt_complementally = "?"; /* call bb_show_usage internally */
sz = bb_getopt_ulflags(argc, argv, "+cfv:", &tmp);
if (sz & 1)
check = 1;
#ifdef __sparc__
if (sz & 2)
force = 1;
#endif
#if ENABLE_FEATURE_MKSWAP_V0
if (sz & 4) {
version = bb_xgetlarg(tmp, 10, 0, 1);
} else {
if (get_linux_version_code() < KERNEL_VERSION(2, 1, 117))
version = 0;
else
version = 1;
}
#endif
argv += optind;
argc -= optind;
goodpages = pagesize / 1024; /* cache division */
while (argc--) {
if (device_name) {
PAGES = bb_xgetlarg(argv[0], 0, 10, sz * goodpages) / goodpages;
argc = 0; /* ignore any surplus args.. */
} else {
device_name = argv[0];
sz = get_size(device_name);
argv++;
}
}
if (!device_name) {
bb_error_msg_and_die("error: Nowhere to set up swap on?");
}
if (!PAGES) {
PAGES = sz;
}
#if 0
maxpages = ((version == 0) ? V0_MAX_PAGES : V1_MAX_PAGES);
#else
if (!version)
maxpages = V0_MAX_PAGES;
else if (get_linux_version_code() >= KERNEL_VERSION(2,2,1))
maxpages = V1_MAX_PAGES;
else {
maxpages = V1_OLD_MAX_PAGES;
if (maxpages > V1_MAX_PAGES)
maxpages = V1_MAX_PAGES;
}
#endif
if (PAGES > maxpages) {
PAGES = maxpages;
bb_error_msg("warning: truncating swap area to %ldkB",
PAGES * goodpages);
}
DEV = bb_xopen3(device_name, O_RDWR, 0);
if (fstat(DEV, &statbuf) < 0)
bb_perror_msg_and_die("%s", device_name);
if (!S_ISBLK(statbuf.st_mode))
check = 0;
else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340)
bb_error_msg_and_die("Will not try to make swapdevice on '%s'", device_name);
#ifdef __sparc__
if (!force && version == 0) {
/* Don't overwrite partition table unless forced */
unsigned char *buffer = (unsigned char *) signature_page;
unsigned short *q, sum;
if (read(DEV, buffer, 512) != 512)
bb_error_msg_and_die("fatal: first page unreadable");
if (buffer[508] == 0xDA && buffer[509] == 0xBE) {
q = (unsigned short *) (buffer + 510);
for (sum = 0; q >= (unsigned short *) buffer;)
sum ^= *q--;
if (!sum) {
bb_error_msg("Device '%s' contains a valid Sun disklabel.\n"
"This probably means creating v0 swap would destroy your partition table\n"
"No swap created. If you really want to create swap v0 on that device, use\n"
"the -f option to force it.", device_name);
return EXIT_FAILURE;
}
}
}
#endif
if (version == 0 || check)
check_blocks();
if (version == 0 && !bit_test_and_clear(signature_page, 0))
bb_error_msg_and_die("fatal: first page unreadable");
if (version == 1) {
p->swap_version = version;
p->last_page = PAGES - 1;
p->nr_badpages = badpages;
}
goodpages = PAGES - badpages - 1;
if (goodpages <= 0)
bb_error_msg_and_die("Unable to set up swap-space: unreadable");
printf("Setting up swapspace version %d, size = %ld bytes\n",
version, (long) (goodpages * pagesize));
write_signature((version == 0) ? "SWAP-SPACE" : "SWAPSPACE2");
sz = ((version == 0) ? 0 : 1024); /* offset */
if (lseek(DEV, sz, SEEK_SET) != sz)
bb_error_msg_and_die("unable to rewind swap-device");
goodpages = pagesize - sz; /* cache substraction */
if (write(DEV, (char *) signature_page + sz, goodpages)
!= goodpages)
bb_error_msg_and_die("unable to write signature page");
/*
* A subsequent swapon() will fail if the signature
* is not actually on disk. (This is a kernel bug.)
*/
if (fsync(DEV))
bb_error_msg_and_die("fsync failed");
if (ENABLE_FEATURE_CLEAN_UP) {
close(DEV);
free(signature_page);
}
return EXIT_SUCCESS;
}
extern int fold_main(int argc, char **argv)
{
/* If nonzero, try to break on whitespace. */
int break_spaces;
/* If nonzero, at least one of the files we read was standard input. */
int have_read_stdin;
int width = 80;
int i;
int optc;
int errs = 0;
break_spaces = count_bytes = have_read_stdin = 0;
/* Turn any numeric options into -w options. */
for (i = 1; i < argc; i++) {
char const *a = argv[i];
if (a[0] == '-') {
if (a[1] == '-' && !a[2])
break;
if (isdigit(a[1])) {
char *s = xmalloc(strlen(a) + 2);
s[0] = '-';
s[1] = 'w';
strcpy(s + 2, a + 1);
argv[i] = s;
}
}
}
while ((optc = getopt(argc, argv, "bsw:")) > 0) {
switch (optc) {
case 'b': /* Count bytes rather than columns. */
count_bytes = 1;
break;
case 's': /* Break at word boundaries. */
break_spaces = 1;
break;
case 'w': { /* Line width. */
width = bb_xgetlarg(optarg, 10, 1, 10000);
break;
}
default:
bb_show_usage();
}
}
argv += optind;
if (!*argv) {
*--argv = "-";
}
do {
FILE *istream = bb_wfopen_input(*argv);
if (istream != NULL) {
int c;
int column = 0; /* Screen column where next char will go. */
int offset_out = 0; /* Index in `line_out' for next char. */
static char *line_out = NULL;
static int allocated_out = 0;
while ((c = getc(istream)) != EOF) {
if (offset_out + 1 >= allocated_out) {
allocated_out += 1024;
line_out = xrealloc(line_out, allocated_out);
}
if (c == '\n') {
line_out[offset_out++] = c;
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
column = offset_out = 0;
continue;
}
rescan:
column = adjust_column(column, c);
if (column > width) {
/* This character would make the line too long.
Print the line plus a newline, and make this character
start the next line. */
if (break_spaces) {
/* Look for the last blank. */
int logical_end;
for (logical_end = offset_out - 1; logical_end >= 0; logical_end--) {
if (isblank(line_out[logical_end])) {
break;
}
}
if (logical_end >= 0) {
/* Found a blank. Don't output the part after it. */
logical_end++;
fwrite(line_out, sizeof(char), (size_t) logical_end, stdout);
putchar('\n');
/* Move the remainder to the beginning of the next line.
The areas being copied here might overlap. */
memmove(line_out, line_out + logical_end, offset_out - logical_end);
offset_out -= logical_end;
for (column = i = 0; i < offset_out; i++) {
column = adjust_column(column, line_out[i]);
}
goto rescan;
}
} else {
if (offset_out == 0) {
line_out[offset_out++] = c;
continue;
}
}
line_out[offset_out++] = '\n';
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
column = offset_out = 0;
goto rescan;
}
line_out[offset_out++] = c;
}
if (offset_out) {
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
}
if (ferror(istream) || bb_fclose_nonstdin(istream)) {
bb_perror_msg("%s", *argv); /* Avoid multibyte problems. */
errs |= EXIT_FAILURE;
}
} else {
errs |= EXIT_FAILURE;
}
} while (*++argv);
bb_fflush_stdout_and_exit(errs);
}
int renice_main(int argc, char **argv)
{
static const char Xetpriority_msg[] = "%d : %cetpriority";
int retval = EXIT_SUCCESS;
int which = PRIO_PROCESS; /* Default 'which' value. */
int use_relative = 0;
int adjustment, new_priority;
id_t who;
++argv;
/* Check if we are using a relative adjustment. */
if (argv[0] && (argv[0][0] == '-') && (argv[0][1] == 'n') && !argv[0][2]) {
use_relative = 1;
++argv;
}
if (!*argv) { /* No args? Then show usage. */
bb_show_usage();
}
/* Get the priority adjustment (absolute or relative). */
adjustment = bb_xgetlarg(*argv, 10, INT_MIN, INT_MAX);
while (*++argv) {
/* Check for a mode switch. */
if ((argv[0][0] == '-') && argv[0][1] && !argv[0][2]) {
static const char opts[]
= { 'p', 'g', 'u', 0, PRIO_PROCESS, PRIO_PGRP, PRIO_USER };
const char *p;
if ((p = strchr(opts, argv[0][1]))) {
which = p[4];
continue;
}
}
/* Process an ID arg. */
if (which == PRIO_USER) {
struct passwd *p;
if (!(p = getpwnam(*argv))) {
bb_error_msg("unknown user: %s", *argv);
goto HAD_ERROR;
}
who = p->pw_uid;
} else {
char *e;
errno = 0;
who = strtoul(*argv, &e, 10);
if (*e || (*argv == e) || errno) {
bb_error_msg("bad value: %s", *argv);
goto HAD_ERROR;
}
}
/* Get priority to use, and set it. */
if (use_relative) {
int old_priority;
errno = 0; /* Needed for getpriority error detection. */
old_priority = getpriority(which, who);
if (errno) {
bb_perror_msg(Xetpriority_msg, who, 'g');
goto HAD_ERROR;
}
new_priority = int_add_no_wrap(old_priority, adjustment);
} else {
new_priority = adjustment;
}
if (setpriority(which, who, new_priority) == 0) {
continue;
}
bb_perror_msg(Xetpriority_msg, who, 's');
HAD_ERROR:
retval = EXIT_FAILURE;
}
/* No need to check for errors outputing to stderr since, if it
* was used, the HAD_ERROR label was reached and retval was set. */
return retval;
}
extern int fold_main(int argc, char **argv)
{
char *w_opt;
int width = 80;
int i;
int errs = 0;
#ifdef CONFIG_FEATURE_SUSv2_OBSOLETE
/* Turn any numeric options into -w options. */
for (i = 1; i < argc; i++) {
char const *a = argv[i];
if (a[0] == '-') {
if (a[1] == '-' && !a[2])
break;
if (isdigit(a[1])) {
char *s = xmalloc(strlen(a) + 2);
s[0] = '-';
s[1] = 'w';
strcpy(s + 2, a + 1);
argv[i] = s;
}
}
}
#endif
flags = bb_getopt_ulflags(argc, argv, "bsw:", &w_opt);
if (flags & FLAG_WIDTH)
width = bb_xgetlarg(w_opt, 10, 1, 10000);
argv += optind;
if (!*argv) {
*--argv = "-";
}
do {
FILE *istream = bb_wfopen_input(*argv);
if (istream != NULL) {
int c;
int column = 0; /* Screen column where next char will go. */
int offset_out = 0; /* Index in `line_out' for next char. */
static char *line_out = NULL;
static int allocated_out = 0;
while ((c = getc(istream)) != EOF) {
if (offset_out + 1 >= allocated_out) {
allocated_out += 1024;
line_out = xrealloc(line_out, allocated_out);
}
if (c == '\n') {
line_out[offset_out++] = c;
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
column = offset_out = 0;
continue;
}
rescan:
column = adjust_column(column, c);
if (column > width) {
/* This character would make the line too long.
Print the line plus a newline, and make this character
start the next line. */
if (flags & FLAG_BREAK_SPACES) {
/* Look for the last blank. */
int logical_end;
for (logical_end = offset_out - 1; logical_end >= 0; logical_end--) {
if (isblank(line_out[logical_end])) {
break;
}
}
if (logical_end >= 0) {
/* Found a blank. Don't output the part after it. */
logical_end++;
fwrite(line_out, sizeof(char), (size_t) logical_end, stdout);
putchar('\n');
/* Move the remainder to the beginning of the next line.
The areas being copied here might overlap. */
memmove(line_out, line_out + logical_end, offset_out - logical_end);
offset_out -= logical_end;
for (column = i = 0; i < offset_out; i++) {
column = adjust_column(column, line_out[i]);
}
goto rescan;
}
} else {
if (offset_out == 0) {
line_out[offset_out++] = c;
continue;
}
}
line_out[offset_out++] = '\n';
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
column = offset_out = 0;
goto rescan;
}
line_out[offset_out++] = c;
}
if (offset_out) {
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
}
if (ferror(istream) || bb_fclose_nonstdin(istream)) {
bb_perror_msg("%s", *argv); /* Avoid multibyte problems. */
errs |= EXIT_FAILURE;
}
} else {
errs |= EXIT_FAILURE;
}
} while (*++argv);
bb_fflush_stdout_and_exit(errs);
}
