| 1 |
/* |
| 2 |
* function.C: Miscellaneous functions. |
| 3 |
* Rights to this code are documented in doc/pod/license.pod. |
| 4 |
* |
| 5 |
* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team (http://ermyth.schmorp.de) |
| 6 |
* Copyright © 2005-2007 Atheme Project (http://www.atheme.org) |
| 7 |
*/ |
| 8 |
|
| 9 |
static char const rcsid[] = "$Id: function.C,v 1.6 2007-09-05 11:23:15 pippijn Exp $"; |
| 10 |
|
| 11 |
#include "atheme.h" |
| 12 |
#include <common/util.h> |
| 13 |
#include <ermyth/crypto.h> |
| 14 |
#include <account/mychan.h> |
| 15 |
#include <account/chanacs.h> |
| 16 |
#include <account/myuser.h> |
| 17 |
#include <common/random.h> |
| 18 |
|
| 19 |
char ch[27] = "abcdefghijklmnopqrstuvwxyz"; |
| 20 |
|
| 21 |
/* This function uses allocates memory. |
| 22 |
* You MUST free the result when you are done with it! |
| 23 |
*/ |
| 24 |
char * |
| 25 |
gen_pw (int sz) |
| 26 |
{ |
| 27 |
int i; |
| 28 |
char *buf = salloc<char> (sz + 1); /* padding */ |
| 29 |
|
| 30 |
for (i = 0; i < sz; i++) |
| 31 |
{ |
| 32 |
buf[i] = ch[gen_rand32 () % 26]; |
| 33 |
} |
| 34 |
|
| 35 |
buf[sz] = 0; |
| 36 |
|
| 37 |
return buf; |
| 38 |
} |
| 39 |
|
| 40 |
#ifdef HAVE_GETTIMEOFDAY |
| 41 |
/* starts a timer */ |
| 42 |
void |
| 43 |
s_time (struct timeval *sttime) |
| 44 |
{ |
| 45 |
gettimeofday (sttime, NULL); |
| 46 |
} |
| 47 |
#endif |
| 48 |
|
| 49 |
#ifdef HAVE_GETTIMEOFDAY |
| 50 |
/* ends a timer */ |
| 51 |
void |
| 52 |
e_time (struct timeval sttime, struct timeval *ttime) |
| 53 |
{ |
| 54 |
struct timeval now; |
| 55 |
|
| 56 |
gettimeofday (&now, NULL); |
| 57 |
timersub (&now, &sttime, ttime); |
| 58 |
} |
| 59 |
#endif |
| 60 |
|
| 61 |
#ifdef HAVE_GETTIMEOFDAY |
| 62 |
/* translates microseconds into miliseconds */ |
| 63 |
int |
| 64 |
tv2ms (struct timeval *tv) |
| 65 |
{ |
| 66 |
return (tv->tv_sec * 1000) + (int) (tv->tv_usec / 1000); |
| 67 |
} |
| 68 |
#endif |
| 69 |
|
| 70 |
/* replaces tabs with a single ASCII 32 */ |
| 71 |
void |
| 72 |
tb2sp (char *line) |
| 73 |
{ |
| 74 |
char *c; |
| 75 |
|
| 76 |
while ((c = strchr (line, '\t'))) |
| 77 |
*c = ' '; |
| 78 |
} |
| 79 |
|
| 80 |
/* replace all occurances of 'oldstr' with 'newstr' */ |
| 81 |
char * |
| 82 |
replace (char *s, int size, char const * const oldstr, char const * const newstr) |
| 83 |
{ |
| 84 |
char *ptr = s; |
| 85 |
int left = strlen (s); |
| 86 |
int avail = size - (left + 1); |
| 87 |
int oldstrlen = strlen (oldstr); |
| 88 |
int newstrlen = strlen (newstr); |
| 89 |
int diff = newstrlen - oldstrlen; |
| 90 |
|
| 91 |
while (left >= oldstrlen) |
| 92 |
{ |
| 93 |
if (strncmp (ptr, oldstr, oldstrlen)) |
| 94 |
{ |
| 95 |
left--; |
| 96 |
ptr++; |
| 97 |
continue; |
| 98 |
} |
| 99 |
|
| 100 |
if (diff > avail) |
| 101 |
break; |
| 102 |
|
| 103 |
if (diff != 0) |
| 104 |
memmove (ptr + oldstrlen + diff, ptr + oldstrlen, left + 1); |
| 105 |
|
| 106 |
memcpy (ptr, newstr, newstrlen); |
| 107 |
ptr += newstrlen; |
| 108 |
left -= oldstrlen; |
| 109 |
} |
| 110 |
|
| 111 |
return s; |
| 112 |
} |
| 113 |
|
| 114 |
/* return the time elapsed since an event */ |
| 115 |
char * |
| 116 |
time_ago (time_t event) |
| 117 |
{ |
| 118 |
static char ret[128]; |
| 119 |
int years, weeks, days, hours, minutes, seconds; |
| 120 |
|
| 121 |
event = NOW - event; |
| 122 |
years = weeks = days = hours = minutes = seconds = 0; |
| 123 |
|
| 124 |
while (event >= 60 * 60 * 24 * 365) |
| 125 |
{ |
| 126 |
event -= 60 * 60 * 24 * 365; |
| 127 |
years++; |
| 128 |
} |
| 129 |
while (event >= 60 * 60 * 24 * 7) |
| 130 |
{ |
| 131 |
event -= 60 * 60 * 24 * 7; |
| 132 |
weeks++; |
| 133 |
} |
| 134 |
while (event >= 60 * 60 * 24) |
| 135 |
{ |
| 136 |
event -= 60 * 60 * 24; |
| 137 |
days++; |
| 138 |
} |
| 139 |
while (event >= 60 * 60) |
| 140 |
{ |
| 141 |
event -= 60 * 60; |
| 142 |
hours++; |
| 143 |
} |
| 144 |
while (event >= 60) |
| 145 |
{ |
| 146 |
event -= 60; |
| 147 |
minutes++; |
| 148 |
} |
| 149 |
|
| 150 |
seconds = event; |
| 151 |
|
| 152 |
if (years) |
| 153 |
snprintf (ret, sizeof (ret), "%d year%s, %d week%s, %d day%s, %02d:%02d:%02d", years, years == 1 ? "" : "s", weeks, weeks == 1 ? "" : "s", days, days == 1 ? "" : "s", hours, minutes, seconds); |
| 154 |
else if (weeks) |
| 155 |
snprintf (ret, sizeof (ret), "%d week%s, %d day%s, %02d:%02d:%02d", weeks, weeks == 1 ? "" : "s", days, days == 1 ? "" : "s", hours, minutes, seconds); |
| 156 |
else if (days) |
| 157 |
snprintf (ret, sizeof (ret), "%d day%s, %02d:%02d:%02d", days, days == 1 ? "" : "s", hours, minutes, seconds); |
| 158 |
else if (hours) |
| 159 |
snprintf (ret, sizeof (ret), "%d hour%s, %d minute%s, %d second%s", hours, hours == 1 ? "" : "s", minutes, minutes == 1 ? "" : "s", seconds, seconds == 1 ? "" : "s"); |
| 160 |
else if (minutes) |
| 161 |
snprintf (ret, sizeof (ret), "%d minute%s, %d second%s", minutes, minutes == 1 ? "" : "s", seconds, seconds == 1 ? "" : "s"); |
| 162 |
else |
| 163 |
snprintf (ret, sizeof (ret), "%d second%s", seconds, seconds == 1 ? "" : "s"); |
| 164 |
|
| 165 |
return ret; |
| 166 |
} |
| 167 |
|
| 168 |
char * |
| 169 |
timediff (time_t seconds) |
| 170 |
{ |
| 171 |
static char buf[BUFSIZE]; |
| 172 |
long unsigned days, hours, minutes; |
| 173 |
|
| 174 |
days = seconds / 86400; |
| 175 |
seconds %= 86400; |
| 176 |
hours = seconds / 3600; |
| 177 |
hours %= 3600; |
| 178 |
minutes = seconds / 60; |
| 179 |
minutes %= 60; |
| 180 |
seconds %= 60; |
| 181 |
|
| 182 |
snprintf (buf, sizeof (buf), "%lu day%s, %lu:%02lu:%02lu", days, (days == 1) ? "" : "s", hours, minutes, (long unsigned) seconds); |
| 183 |
|
| 184 |
return buf; |
| 185 |
} |
| 186 |
|
| 187 |
/* generate a random number, for use as a key */ |
| 188 |
unsigned long |
| 189 |
makekey (void) |
| 190 |
{ |
| 191 |
unsigned long k; |
| 192 |
|
| 193 |
k = gen_rand32 () & 0x7FFFFFFF; |
| 194 |
|
| 195 |
/* shorten or pad it to 9 digits */ |
| 196 |
if (k > 1000000000) |
| 197 |
k = k - 1000000000; |
| 198 |
if (k < 100000000) |
| 199 |
k = k + 100000000; |
| 200 |
|
| 201 |
return k; |
| 202 |
} |
| 203 |
|
| 204 |
bool |
| 205 |
is_internal_client (user_t *u) |
| 206 |
{ |
| 207 |
return (u && (!u->server || u->server == me.me)); |
| 208 |
} |
| 209 |
|
| 210 |
int |
| 211 |
validemail (char *email) |
| 212 |
{ |
| 213 |
int i, valid = 1, chars = 0; |
| 214 |
|
| 215 |
/* sane length */ |
| 216 |
if (strlen (email) >= EMAILLEN) |
| 217 |
valid = 0; |
| 218 |
|
| 219 |
/* make sure it has @ and . */ |
| 220 |
if (!strchr (email, '@') || !strchr (email, '.')) |
| 221 |
valid = 0; |
| 222 |
|
| 223 |
/* check for other bad things */ |
| 224 |
if (strchr (email, '\'') || strchr (email, ' ') || strchr (email, ',') || strchr (email, '$') || strchr (email, '/') || strchr (email, ';') || strchr (email, '<') || strchr (email, '>') || strchr (email, '&') || strchr (email, '"')) |
| 225 |
valid = 0; |
| 226 |
|
| 227 |
/* make sure there are at least 6 characters besides the above |
| 228 |
* mentioned @ and . |
| 229 |
*/ |
| 230 |
for (i = strlen (email) - 1; i > 0; i--) |
| 231 |
if (!(email[i] == '@' || email[i] == '.')) |
| 232 |
chars++; |
| 233 |
|
| 234 |
if (chars < 6) |
| 235 |
valid = 0; |
| 236 |
|
| 237 |
return valid; |
| 238 |
} |
| 239 |
|
| 240 |
bool |
| 241 |
validhostmask (char *host) |
| 242 |
{ |
| 243 |
char *p, *q; |
| 244 |
|
| 245 |
if (strchr (host, ' ')) |
| 246 |
return false; |
| 247 |
|
| 248 |
/* make sure it has ! and @ in that order and only once */ |
| 249 |
p = strchr (host, '!'); |
| 250 |
q = strchr (host, '@'); |
| 251 |
if (p == NULL || q == NULL || p > q || strchr (p + 1, '!') || strchr (q + 1, '@')) |
| 252 |
return false; |
| 253 |
|
| 254 |
/* XXX this NICKLEN is too long */ |
| 255 |
if (strlen (host) > NICKLEN + USERLEN + HOSTLEN + 1) |
| 256 |
return false; |
| 257 |
|
| 258 |
if (host[0] == ',' || host[0] == '-' || host[0] == '#' || host[0] == '@' || host[0] == '!') |
| 259 |
return false; |
| 260 |
|
| 261 |
return true; |
| 262 |
} |
| 263 |
|
| 264 |
/* send the specified type of email. |
| 265 |
* |
| 266 |
* u is whoever caused this to be called, the corresponding service |
| 267 |
* in case of xmlrpc |
| 268 |
* type is EMAIL_*, see include/tools.h |
| 269 |
* mu is the recipient user |
| 270 |
* param depends on type, also see include/tools.h |
| 271 |
*/ |
| 272 |
int |
| 273 |
sendemail (user_t *u, int type, myuser_t *mu, char const * const param) |
| 274 |
{ |
| 275 |
char *email, *date = NULL; |
| 276 |
char cmdbuf[512], timebuf[256], to[128], from[128], subject[128]; |
| 277 |
FILE *out; |
| 278 |
time_t t; |
| 279 |
struct tm tm; |
| 280 |
int pipfds[2]; |
| 281 |
pid_t pid; |
| 282 |
int status; |
| 283 |
int rc; |
| 284 |
static time_t period_start = 0, lastwallops = 0; |
| 285 |
static unsigned emailcount = 0; |
| 286 |
|
| 287 |
if (u == NULL || mu == NULL) |
| 288 |
return 0; |
| 289 |
|
| 290 |
if (me.mta == NULL) |
| 291 |
{ |
| 292 |
if (type != EMAIL_MEMO && !is_internal_client (u)) |
| 293 |
notice (opersvs.me ? opersvs.nick : me.name, u->nick, "Sending email is administratively disabled."); |
| 294 |
return 0; |
| 295 |
} |
| 296 |
|
| 297 |
if (type == EMAIL_SETEMAIL) |
| 298 |
{ |
| 299 |
/* special case for e-mail change */ |
| 300 |
metadata *md = mu->find_metadata ("private:verify:emailchg:newemail"); |
| 301 |
|
| 302 |
if (md && md->value) |
| 303 |
email = md->value; |
| 304 |
else /* should NEVER happen */ |
| 305 |
{ |
| 306 |
slog (LG_ERROR, "sendemail(): got email change request, but newemail unset!"); |
| 307 |
return 0; |
| 308 |
} |
| 309 |
} |
| 310 |
else |
| 311 |
email = mu->email; |
| 312 |
|
| 313 |
if (NOW - period_start > me.emailtime) |
| 314 |
{ |
| 315 |
emailcount = 0; |
| 316 |
period_start = NOW; |
| 317 |
} |
| 318 |
emailcount++; |
| 319 |
if (emailcount > me.emaillimit) |
| 320 |
{ |
| 321 |
if (NOW - lastwallops > 60) |
| 322 |
{ |
| 323 |
wallops (_("Rejecting email for %s[%s@%s] due to too high load (type %d to %s <%s>)"), u->nick, u->user, u->vhost, type, mu->name, email); |
| 324 |
slog (LG_ERROR, "sendemail(): rejecting email for %s[%s@%s] (%s) due to too high load (type %d to %s <%s>)", u->nick, u->user, u->vhost, u->ip[0] ? u->ip : u->host, type, mu->name, email); |
| 325 |
lastwallops = NOW; |
| 326 |
} |
| 327 |
return 0; |
| 328 |
} |
| 329 |
|
| 330 |
slog (LG_INFO, "sendemail(): email for %s[%s@%s] (%s) type %d to %s <%s>", u->nick, u->user, u->vhost, u->ip[0] ? u->ip : u->host, type, mu->name, email); |
| 331 |
|
| 332 |
/* set up the email headers */ |
| 333 |
time (&t); |
| 334 |
tm = *gmtime (&t); |
| 335 |
strftime (timebuf, sizeof (timebuf) - 1, "%a, %d %b %Y %H:%M:%S +0000", &tm); |
| 336 |
|
| 337 |
date = timebuf; |
| 338 |
|
| 339 |
snprintf (from, sizeof from, "%s automailer <noreply.%s>", me.netname, me.adminemail); |
| 340 |
snprintf (to, sizeof to, "%s <%s>", mu->name, email); |
| 341 |
|
| 342 |
strlcpy (subject, me.netname, sizeof subject); |
| 343 |
strlcat (subject, " ", sizeof subject); |
| 344 |
if (type == EMAIL_REGISTER) |
| 345 |
if (nicksvs.no_nick_ownership) |
| 346 |
strlcat (subject, "Account Registration", sizeof subject); |
| 347 |
else |
| 348 |
strlcat (subject, "Nickname Registration", sizeof subject); |
| 349 |
else if (type == EMAIL_SENDPASS || type == EMAIL_SETPASS) |
| 350 |
strlcat (subject, "Password Retrieval", sizeof subject); |
| 351 |
else if (type == EMAIL_SETEMAIL) |
| 352 |
strlcat (subject, "Change Email Confirmation", sizeof subject); |
| 353 |
else if (type == EMAIL_MEMO) |
| 354 |
strlcat (subject, "New memo", sizeof subject); |
| 355 |
|
| 356 |
/* now set up the email */ |
| 357 |
sprintf (cmdbuf, "%s %s", me.mta, email); |
| 358 |
if (pipe (pipfds) < 0) |
| 359 |
return 0; |
| 360 |
switch (pid = fork ()) |
| 361 |
{ |
| 362 |
case -1: |
| 363 |
return 0; |
| 364 |
case 0: |
| 365 |
close (pipfds[1]); |
| 366 |
dup2 (pipfds[0], 0); |
| 367 |
switch (fork ()) |
| 368 |
{ |
| 369 |
/* fork again to avoid zombies -- jilles */ |
| 370 |
case -1: |
| 371 |
_exit (255); |
| 372 |
case 0: |
| 373 |
execl ("/bin/sh", "sh", "-c", cmdbuf, NULL); |
| 374 |
_exit (255); |
| 375 |
default: |
| 376 |
_exit (0); |
| 377 |
} |
| 378 |
} |
| 379 |
close (pipfds[0]); |
| 380 |
waitpid (pid, &status, 0); |
| 381 |
out = fdopen (pipfds[1], "w"); |
| 382 |
|
| 383 |
fprintf (out, "From: %s\n", from); |
| 384 |
fprintf (out, "To: %s\n", to); |
| 385 |
fprintf (out, "Subject: %s\n", subject); |
| 386 |
fprintf (out, "Date: %s\n\n", date); |
| 387 |
|
| 388 |
fprintf (out, "%s,\n\n", mu->name); |
| 389 |
|
| 390 |
if (type == EMAIL_REGISTER) |
| 391 |
{ |
| 392 |
fprintf (out, "In order to complete your registration, you must send the following\ncommand on IRC:\n"); |
| 393 |
fprintf (out, "/MSG %s VERIFY REGISTER %s %s\n\n", nicksvs.nick, mu->name, param); |
| 394 |
fprintf (out, "Thank you for registering your %s on the %s IRC " "network!\n\n", (nicksvs.no_nick_ownership ? "account" : "nickname"), me.netname); |
| 395 |
} |
| 396 |
else if (type == EMAIL_SENDPASS) |
| 397 |
{ |
| 398 |
fprintf (out, "Someone has requested the password for %s be sent to the\n" "corresponding email address. If you did not request this action\n" "please let us know.\n\n", mu->name); |
| 399 |
fprintf (out, "The password for %s is %s. Please write this down for " "future reference.\n\n", mu->name, param); |
| 400 |
} |
| 401 |
else if (type == EMAIL_SETEMAIL) |
| 402 |
{ |
| 403 |
fprintf (out, "In order to complete your email change, you must send\n" "the following command on IRC:\n"); |
| 404 |
fprintf (out, "/MSG %s VERIFY EMAILCHG %s %s\n\n", nicksvs.nick, mu->name, param); |
| 405 |
} |
| 406 |
else if (type == EMAIL_MEMO) |
| 407 |
{ |
| 408 |
if (u->myuser != NULL) |
| 409 |
fprintf (out, "You have a new memo from %s.\n\n", u->myuser->name); |
| 410 |
else |
| 411 |
/* shouldn't happen */ |
| 412 |
fprintf (out, "You have a new memo from %s (unregistered?).\n\n", u->nick); |
| 413 |
fprintf (out, "%s\n\n", param); |
| 414 |
} |
| 415 |
else if (type == EMAIL_SETPASS) |
| 416 |
{ |
| 417 |
fprintf (out, "In order to set a new password, you must send\n" "the following command on IRC:\n"); |
| 418 |
fprintf (out, "/MSG %s SETPASS %s %s <password>\nwhere <password> is your desired new password.\n\n", nicksvs.nick, mu->name, param); |
| 419 |
} |
| 420 |
|
| 421 |
fprintf (out, "Thank you for your interest in the %s IRC network.\n", me.netname); |
| 422 |
if (u->server != me.me) |
| 423 |
fprintf (out, "\nThis email was sent due to a command from %s[%s@%s]\nat %s.\n", u->nick, u->user, u->vhost, date); |
| 424 |
fprintf (out, "If this message is spam, please contact %s\nwith a full copy.\n", me.adminemail); |
| 425 |
fprintf (out, ".\n"); |
| 426 |
rc = 1; |
| 427 |
if (ferror (out)) |
| 428 |
rc = 0; |
| 429 |
if (fclose (out) < 0) |
| 430 |
rc = 0; |
| 431 |
if (rc == 0) |
| 432 |
slog (LG_ERROR, "sendemail(): mta failure"); |
| 433 |
return rc; |
| 434 |
} |
| 435 |
|
| 436 |
/* various access level checkers */ |
| 437 |
bool |
| 438 |
myuser_t::is_founder (mychan_t *mc) const |
| 439 |
{ |
| 440 |
if (chanacs_find (mc, this, CA_FOUNDER)) |
| 441 |
return true; |
| 442 |
|
| 443 |
return false; |
| 444 |
} |
| 445 |
|
| 446 |
bool |
| 447 |
myuser_t::should_owner (mychan_t *mc) const |
| 448 |
{ |
| 449 |
if (MC_NOOP & mc->flags) |
| 450 |
return false; |
| 451 |
|
| 452 |
if (MU_NOOP & flags) |
| 453 |
return false; |
| 454 |
|
| 455 |
if (is_founder (mc)) |
| 456 |
return true; |
| 457 |
|
| 458 |
return false; |
| 459 |
} |
| 460 |
|
| 461 |
bool |
| 462 |
myuser_t::should_protect (mychan_t *mc) const |
| 463 |
{ |
| 464 |
if (MC_NOOP & mc->flags) |
| 465 |
return false; |
| 466 |
|
| 467 |
if (MU_NOOP & flags) |
| 468 |
return false; |
| 469 |
|
| 470 |
if (chanacs_find (mc, this, CA_SET)) |
| 471 |
return true; |
| 472 |
|
| 473 |
return false; |
| 474 |
} |
| 475 |
|
| 476 |
bool |
| 477 |
is_ircop (user_t *user) |
| 478 |
{ |
| 479 |
if (UF_IRCOP & user->flags) |
| 480 |
return true; |
| 481 |
|
| 482 |
return false; |
| 483 |
} |
| 484 |
|
| 485 |
bool |
| 486 |
is_admin (user_t *user) |
| 487 |
{ |
| 488 |
if (UF_ADMIN & user->flags) |
| 489 |
return true; |
| 490 |
|
| 491 |
return false; |
| 492 |
} |
| 493 |
|
| 494 |
void |
| 495 |
myuser_t::set_password (char const * const newpassword) |
| 496 |
{ |
| 497 |
if (newpassword == NULL) |
| 498 |
return; |
| 499 |
|
| 500 |
/* if we can, try to crypt it */ |
| 501 |
if (crypto::handler::loaded) |
| 502 |
{ |
| 503 |
flags |= MU_CRYPTPASS; |
| 504 |
strlcpy (pass, crypter->crypt (newpassword, crypto::gen_salt ()), NICKLEN); |
| 505 |
} |
| 506 |
else |
| 507 |
{ |
| 508 |
flags &= ~MU_CRYPTPASS; /* just in case */ |
| 509 |
strlcpy (pass, newpassword, NICKLEN); |
| 510 |
} |
| 511 |
} |
| 512 |
|
| 513 |
bool |
| 514 |
myuser_t::verify_password (char const * const password) const |
| 515 |
{ |
| 516 |
if (password == NULL) |
| 517 |
return false; |
| 518 |
|
| 519 |
if (flags & MU_CRYPTPASS) |
| 520 |
if (crypto::handler::loaded) |
| 521 |
return crypto::verify_password (password, pass); |
| 522 |
else |
| 523 |
{ /* not good! */ |
| 524 |
slog (LG_ERROR, "check_password(): can't check crypted password -- no crypto module!"); |
| 525 |
return false; |
| 526 |
} |
| 527 |
else |
| 528 |
return (strcmp (pass, password) == 0); |
| 529 |
} |
| 530 |
|
| 531 |
char const * |
| 532 |
sbytes (float x) |
| 533 |
{ |
| 534 |
if (x > 1073741824.0) |
| 535 |
return "GB"; |
| 536 |
|
| 537 |
else if (x > 1048576.0) |
| 538 |
return "MB"; |
| 539 |
|
| 540 |
else if (x > 1024.0) |
| 541 |
return "KB"; |
| 542 |
|
| 543 |
return "B"; |
| 544 |
} |
| 545 |
|
| 546 |
float |
| 547 |
bytes (float x) |
| 548 |
{ |
| 549 |
if (x > 1073741824.0) |
| 550 |
return (x / 1073741824.0); |
| 551 |
|
| 552 |
if (x > 1048576.0) |
| 553 |
return (x / 1048576.0); |
| 554 |
|
| 555 |
if (x > 1024.0) |
| 556 |
return (x / 1024.0); |
| 557 |
|
| 558 |
return x; |
| 559 |
} |
