diff options
Diffstat (limited to 'gnu/usr.bin/rcs/lib/rcsutil.c')
| -rw-r--r-- | gnu/usr.bin/rcs/lib/rcsutil.c | 997 |
1 files changed, 997 insertions, 0 deletions
diff --git a/gnu/usr.bin/rcs/lib/rcsutil.c b/gnu/usr.bin/rcs/lib/rcsutil.c new file mode 100644 index 000000000000..07edaa27a090 --- /dev/null +++ b/gnu/usr.bin/rcs/lib/rcsutil.c @@ -0,0 +1,997 @@ +/* + * RCS utilities + */ + +/* Copyright (C) 1982, 1988, 1989 Walter Tichy + Copyright 1990, 1991 by Paul Eggert + Distributed under license by the Free Software Foundation, Inc. + +This file is part of RCS. + +RCS is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +RCS is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with RCS; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +Report problems and direct all questions to: + + rcs-bugs@cs.purdue.edu + +*/ + + + + +/* $Log: rcsutil.c,v $ + * Revision 1.1.1.1 1993/06/18 04:22:13 jkh + * Updated GNU utilities + * + * Revision 5.10 1991/10/07 17:32:46 eggert + * Support piece tables even if !has_mmap. + * + * Revision 5.9 1991/08/19 03:13:55 eggert + * Add spawn() support. Explicate assumptions about getting invoker's name. + * Standardize user-visible dates. Tune. + * + * Revision 5.8 1991/04/21 11:58:30 eggert + * Plug setuid security hole. + * + * Revision 5.6 1991/02/26 17:48:39 eggert + * Fix setuid bug. Use fread, fwrite more portably. + * Support waitpid. Don't assume -1 is acceptable to W* macros. + * strsave -> str_save (DG/UX name clash) + * + * Revision 5.5 1990/12/04 05:18:49 eggert + * Don't output a blank line after a signal diagnostic. + * Use -I for prompts and -q for diagnostics. + * + * Revision 5.4 1990/11/01 05:03:53 eggert + * Remove unneeded setid check. Add awrite(), fremember(). + * + * Revision 5.3 1990/10/06 00:16:45 eggert + * Don't fread F if feof(F). + * + * Revision 5.2 1990/09/04 08:02:31 eggert + * Store fread()'s result in an fread_type object. + * + * Revision 5.1 1990/08/29 07:14:07 eggert + * Declare getpwuid() more carefully. + * + * Revision 5.0 1990/08/22 08:13:46 eggert + * Add setuid support. Permit multiple locks per user. + * Remove compile-time limits; use malloc instead. + * Switch to GMT. Permit dates past 1999/12/31. + * Add -V. Remove snooping. Ansify and Posixate. + * Tune. Some USG hosts define NSIG but not sys_siglist. + * Don't run /bin/sh if it's hopeless. + * Don't leave garbage behind if the output is an empty pipe. + * Clean up after SIGXCPU or SIGXFSZ. Print name of signal that caused cleanup. + * + * Revision 4.6 89/05/01 15:13:40 narten + * changed copyright header to reflect current distribution rules + * + * Revision 4.5 88/11/08 16:01:02 narten + * corrected use of varargs routines + * + * Revision 4.4 88/08/09 19:13:24 eggert + * Check for memory exhaustion. + * Permit signal handlers to yield either 'void' or 'int'; fix oldSIGINT botch. + * Use execv(), not system(); yield exit status like diff(1)'s. + * + * Revision 4.3 87/10/18 10:40:22 narten + * Updating version numbers. Changes relative to 1.1 actually + * relative to 4.1 + * + * Revision 1.3 87/09/24 14:01:01 narten + * Sources now pass through lint (if you ignore printf/sprintf/fprintf + * warnings) + * + * Revision 1.2 87/03/27 14:22:43 jenkins + * Port to suns + * + * Revision 4.1 83/05/10 15:53:13 wft + * Added getcaller() and findlock(). + * Changed catchints() to check SIGINT for SIG_IGN before setting up the signal + * (needed for background jobs in older shells). Added restoreints(). + * Removed printing of full RCS path from logcommand(). + * + * Revision 3.8 83/02/15 15:41:49 wft + * Added routine fastcopy() to copy remainder of a file in blocks. + * + * Revision 3.7 82/12/24 15:25:19 wft + * added catchints(), ignoreints() for catching and ingnoring interrupts; + * fixed catchsig(). + * + * Revision 3.6 82/12/08 21:52:05 wft + * Using DATEFORM to format dates. + * + * Revision 3.5 82/12/04 18:20:49 wft + * Replaced SNOOPDIR with SNOOPFILE; changed addlock() to update + * lockedby-field. + * + * Revision 3.4 82/12/03 17:17:43 wft + * Added check to addlock() ensuring only one lock per person. + * Addlock also returns a pointer to the lock created. Deleted fancydate(). + * + * Revision 3.3 82/11/27 12:24:37 wft + * moved rmsema(), trysema(), trydiraccess(), getfullRCSname() to rcsfnms.c. + * Introduced macro SNOOP so that snoop can be placed in directory other than + * TARGETDIR. Changed %02d to %.2d for compatibility reasons. + * + * Revision 3.2 82/10/18 21:15:11 wft + * added function getfullRCSname(). + * + * Revision 3.1 82/10/13 16:17:37 wft + * Cleanup message is now suppressed in quiet mode. + */ + + + + +#include "rcsbase.h" + +libId(utilId, "$Id: rcsutil.c,v 1.1.1.1 1993/06/18 04:22:13 jkh Exp $") + +#if !has_memcmp + int +memcmp(s1, s2, n) + void const *s1, *s2; + size_t n; +{ + register unsigned char const + *p1 = (unsigned char const*)s1, + *p2 = (unsigned char const*)s2; + register size_t i = n; + register int r = 0; + while (i-- && !(r = (*p1++ - *p2++))) + ; + return r; +} +#endif + +#if !has_memcpy + void * +memcpy(s1, s2, n) + void *s1; + void const *s2; + size_t n; +{ + register char *p1 = (char*)s1; + register char const *p2 = (char const*)s2; + while (n--) + *p1++ = *p2++; + return s1; +} +#endif + +#if lint + malloc_type lintalloc; +#endif + +/* + * list of blocks allocated with ftestalloc() + * These blocks can be freed by ffree when we're done with the current file. + * We could put the free block inside struct alloclist, rather than a pointer + * to the free block, but that would be less portable. + */ +struct alloclist { + malloc_type alloc; + struct alloclist *nextalloc; +}; +static struct alloclist *alloced; + + + static malloc_type +okalloc(p) + malloc_type p; +{ + if (!p) + faterror("out of memory"); + return p; +} + + malloc_type +testalloc(size) + size_t size; +/* Allocate a block, testing that the allocation succeeded. */ +{ + return okalloc(malloc(size)); +} + + malloc_type +testrealloc(ptr, size) + malloc_type ptr; + size_t size; +/* Reallocate a block, testing that the allocation succeeded. */ +{ + return okalloc(realloc(ptr, size)); +} + + malloc_type +fremember(ptr) + malloc_type ptr; +/* Remember PTR in 'alloced' so that it can be freed later. Yield PTR. */ +{ + register struct alloclist *q = talloc(struct alloclist); + q->nextalloc = alloced; + alloced = q; + return q->alloc = ptr; +} + + malloc_type +ftestalloc(size) + size_t size; +/* Allocate a block, putting it in 'alloced' so it can be freed later. */ +{ + return fremember(testalloc(size)); +} + + void +ffree() +/* Free all blocks allocated with ftestalloc(). */ +{ + register struct alloclist *p, *q; + for (p = alloced; p; p = q) { + q = p->nextalloc; + tfree(p->alloc); + tfree(p); + } + alloced = nil; +} + + void +ffree1(f) + register char const *f; +/* Free the block f, which was allocated by ftestalloc. */ +{ + register struct alloclist *p, **a = &alloced; + + while ((p = *a)->alloc != f) + a = &p->nextalloc; + *a = p->nextalloc; + tfree(p->alloc); + tfree(p); +} + + char * +str_save(s) + char const *s; +/* Save s in permanently allocated storage. */ +{ + return strcpy(tnalloc(char, strlen(s)+1), s); +} + + char * +fstr_save(s) + char const *s; +/* Save s in storage that will be deallocated when we're done with this file. */ +{ + return strcpy(ftnalloc(char, strlen(s)+1), s); +} + + char * +cgetenv(name) + char const *name; +/* Like getenv(), but yield a copy; getenv() can overwrite old results. */ +{ + register char *p; + + return (p=getenv(name)) ? str_save(p) : p; +} + + char const * +getusername(suspicious) + int suspicious; +/* Get the caller's login name. Trust only getwpuid if SUSPICIOUS. */ +{ + static char *name; + + if (!name) { + if ( + /* Prefer getenv() unless suspicious; it's much faster. */ +# if getlogin_is_secure + (suspicious + || + !(name = cgetenv("LOGNAME")) + && !(name = cgetenv("USER"))) + && !(name = getlogin()) +# else + suspicious + || + !(name = cgetenv("LOGNAME")) + && !(name = cgetenv("USER")) + && !(name = getlogin()) +# endif + ) { +#if has_getuid && has_getpwuid + struct passwd const *pw = getpwuid(ruid()); + if (!pw) + faterror("no password entry for userid %lu", + (unsigned long)ruid() + ); + name = pw->pw_name; +#else +#if has_setuid + faterror("setuid not supported"); +#else + faterror("Who are you? Please set LOGNAME."); +#endif +#endif + } + checksid(name); + } + return name; +} + + + + +#if has_signal + +/* + * Signal handling + * + * Standard C places too many restrictions on signal handlers. + * We obey as many of them as we can. + * Posix places fewer restrictions, and we are Posix-compatible here. + */ + +static sig_atomic_t volatile heldsignal, holdlevel; + + static signal_type +catchsig(s) + int s; +{ + char const *sname; + char buf[BUFSIZ]; + +#if sig_zaps_handler + /* If a signal arrives before we reset the signal handler, we lose. */ + VOID signal(s, SIG_IGN); +#endif + if (holdlevel) { + heldsignal = s; + return; + } + ignoreints(); + setrid(); + if (!quietflag) { + sname = nil; +#if has_sys_siglist && defined(NSIG) + if ((unsigned)s < NSIG) { +# ifndef sys_siglist + extern char const *sys_siglist[]; +# endif + sname = sys_siglist[s]; + } +#else + switch (s) { +#ifdef SIGHUP + case SIGHUP: sname = "Hangup"; break; +#endif +#ifdef SIGINT + case SIGINT: sname = "Interrupt"; break; +#endif +#ifdef SIGPIPE + case SIGPIPE: sname = "Broken pipe"; break; +#endif +#ifdef SIGQUIT + case SIGQUIT: sname = "Quit"; break; +#endif +#ifdef SIGTERM + case SIGTERM: sname = "Terminated"; break; +#endif +#ifdef SIGXCPU + case SIGXCPU: sname = "Cputime limit exceeded"; break; +#endif +#ifdef SIGXFSZ + case SIGXFSZ: sname = "Filesize limit exceeded"; break; +#endif + } +#endif + if (sname) + VOID sprintf(buf, "\nRCS: %s. Cleaning up.\n", sname); + else + VOID sprintf(buf, "\nRCS: Signal %d. Cleaning up.\n", s); + VOID write(STDERR_FILENO, buf, strlen(buf)); + } + exiterr(); +} + + void +ignoreints() +{ + ++holdlevel; +} + + void +restoreints() +{ + if (!--holdlevel && heldsignal) + VOID catchsig(heldsignal); +} + + +static int const sig[] = { +#ifdef SIGHUP + SIGHUP, +#endif +#ifdef SIGINT + SIGINT, +#endif +#ifdef SIGPIPE + SIGPIPE, +#endif +#ifdef SIGQUIT + SIGQUIT, +#endif +#ifdef SIGTERM + SIGTERM, +#endif +#ifdef SIGXCPU + SIGXCPU, +#endif +#ifdef SIGXFSZ + SIGXFSZ, +#endif +}; +#define SIGS (sizeof(sig)/sizeof(*sig)) + + +#if has_sigaction + + static void + check_sig(r) + int r; + { + if (r != 0) + efaterror("signal"); + } + + static void + setup_catchsig() + { + register int i; + sigset_t blocked; + struct sigaction act; + + check_sig(sigemptyset(&blocked)); + for (i=SIGS; 0<=--i; ) + check_sig(sigaddset(&blocked, sig[i])); + for (i=SIGS; 0<=--i; ) { + check_sig(sigaction(sig[i], (struct sigaction*)nil, &act)); + if (act.sa_handler != SIG_IGN) { + act.sa_handler = catchsig; + act.sa_mask = blocked; + check_sig(sigaction(sig[i], &act, (struct sigaction*)nil)); + } + } + } + +#else +#if has_sigblock + + static void + setup_catchsig() + { + register int i; + int mask; + + mask = 0; + for (i=SIGS; 0<=--i; ) + mask |= sigmask(sig[i]); + mask = sigblock(mask); + for (i=SIGS; 0<=--i; ) + if ( + signal(sig[i], catchsig) == SIG_IGN && + signal(sig[i], SIG_IGN) != catchsig + ) + faterror("signal catcher failure"); + VOID sigsetmask(mask); + } + +#else + + static void + setup_catchsig() + { + register i; + + for (i=SIGS; 0<=--i; ) + if ( + signal(sig[i], SIG_IGN) != SIG_IGN && + signal(sig[i], catchsig) != SIG_IGN + ) + faterror("signal catcher failure"); + } + +#endif +#endif + + void +catchints() +{ + static int catching_ints; + if (!catching_ints) { + catching_ints = true; + setup_catchsig(); + } +} + +#endif /* has_signal */ + + + void +fastcopy(inf,outf) + register RILE *inf; + FILE *outf; +/* Function: copies the remainder of file inf to outf. + */ +{ +#if large_memory +# if has_mmap + awrite((char const*)inf->ptr, (size_t)(inf->lim - inf->ptr), outf); + inf->ptr = inf->lim; +# else + for (;;) { + awrite((char const*)inf->ptr, (size_t)(inf->readlim - inf->ptr), outf); + inf->ptr = inf->readlim; + if (inf->ptr == inf->lim) + break; + VOID Igetmore(inf); + } +# endif +#else + char buf[BUFSIZ*8]; + register fread_type rcount; + + /*now read the rest of the file in blocks*/ + while (!feof(inf)) { + if (!(rcount = Fread(buf,sizeof(*buf),sizeof(buf),inf))) { + testIerror(inf); + return; + } + awrite(buf, (size_t)rcount, outf); + } +#endif +} + +#ifndef SSIZE_MAX + /* This does not work in #ifs, but it's good enough for us. */ + /* Underestimating SSIZE_MAX may slow us down, but it won't break us. */ +# define SSIZE_MAX ((unsigned)-1 >> 1) +#endif + + void +awrite(buf, chars, f) + char const *buf; + size_t chars; + FILE *f; +{ + /* Posix 1003.1-1990 ssize_t hack */ + while (SSIZE_MAX < chars) { + if (Fwrite(buf, sizeof(*buf), SSIZE_MAX, f) != SSIZE_MAX) + Oerror(); + buf += SSIZE_MAX; + chars -= SSIZE_MAX; + } + + if (Fwrite(buf, sizeof(*buf), chars, f) != chars) + Oerror(); +} + + + + + + static int +movefd(old, new) + int old, new; +{ + if (old < 0 || old == new) + return old; +# ifdef F_DUPFD + new = fcntl(old, F_DUPFD, new); +# else + new = dup2(old, new); +# endif + return close(old)==0 ? new : -1; +} + + static int +fdreopen(fd, file, flags) + int fd; + char const *file; + int flags; +{ + int newfd; + VOID close(fd); + newfd = +#if !open_can_creat + flags&O_CREAT ? creat(file, S_IRUSR|S_IWUSR) : +#endif + open(file, flags, S_IRUSR|S_IWUSR); + return movefd(newfd, fd); +} + +#if !has_spawn + static void +tryopen(fd,file,flags) + int fd, flags; + char const *file; +{ + if (file && fdreopen(fd,file,flags) != fd) + efaterror(file); +} +#else + static int +tryopen(fd,file,flags) + int fd, flags; + char const *file; +{ + int newfd = -1; + if (file && ((newfd=dup(fd)) < 0 || fdreopen(fd,file,flags) != fd)) + efaterror(file); + return newfd; +} + static void +redirect(old, new) + int old, new; +{ + if (0 <= old && (close(new) != 0 || movefd(old,new) < 0)) + efaterror("spawn I/O redirection"); +} +#endif + + + +#if !has_fork && !has_spawn + static void +bufargcat(b, c, s) + register struct buf *b; + int c; + register char const *s; +/* Append to B a copy of C, plus a quoted copy of S. */ +{ + register char *p; + register char const *t; + size_t bl, sl; + + for (t=s, sl=0; *t; ) + sl += 3*(*t++=='\'') + 1; + bl = strlen(b->string); + bufrealloc(b, bl + sl + 4); + p = b->string + bl; + *p++ = c; + *p++ = '\''; + while (*s) { + if (*s == '\'') { + *p++ = '\''; + *p++ = '\\'; + *p++ = '\''; + } + *p++ = *s++; + } + *p++ = '\''; + *p = 0; +} +#endif + +/* +* Run a command specified by the strings in 'inoutargs'. +* inoutargs[0], if nonnil, is the name of the input file. +* inoutargs[1], if nonnil, is the name of the output file. +* inoutargs[2..] form the command to be run. +*/ + int +runv(inoutargs) + char const **inoutargs; +{ + register char const **p; + int wstatus; + + oflush(); + eflush(); + { +#if has_spawn + int in, out; + p = inoutargs; + in = tryopen(STDIN_FILENO, *p++, O_BINARY|O_RDONLY); + out = tryopen(STDOUT_FILENO, *p++, O_BINARY|O_CREAT|O_TRUNC|O_WRONLY); + wstatus = spawn_RCS(0, *p, (char*const*)p); + if (wstatus == -1 && errno == ENOEXEC) { + *--p = RCS_SHELL; + wstatus = spawnv(0, *p, (char*const*)p); + } + redirect(in, STDIN_FILENO); + redirect(out, STDOUT_FILENO); +#else +#if has_fork + pid_t pid; +# if !has_waitpid + pid_t w; +# endif + if (!(pid = vfork())) { + p = inoutargs; + tryopen(STDIN_FILENO, *p++, O_BINARY|O_RDONLY); + tryopen(STDOUT_FILENO, *p++, O_BINARY|O_CREAT|O_TRUNC|O_WRONLY); + VOID exec_RCS(*p, (char*const*)p); + if (errno == ENOEXEC) { + *--p = RCS_SHELL; + VOID execv(*p, (char*const*)p); + } + VOID write(STDERR_FILENO, *p, strlen(*p)); + VOID write(STDERR_FILENO, ": not found\n", 12); + _exit(EXIT_TROUBLE); + } + if (pid < 0) + efaterror("fork"); +# if has_waitpid + if (waitpid(pid, &wstatus, 0) < 0) + efaterror("waitpid"); +# else + do { + if ((w = wait(&wstatus)) < 0) + efaterror("wait"); + } while (w != pid); +# endif +#else + static struct buf b; + + /* Use system(). On many hosts system() discards signals. Yuck! */ + p = inoutargs+2; + bufscpy(&b, *p); + while (*++p) + bufargcat(&b, ' ', *p); + if (inoutargs[0]) + bufargcat(&b, '<', inoutargs[0]); + if (inoutargs[1]) + bufargcat(&b, '>', inoutargs[1]); + wstatus = system(b.string); +#endif +#endif + } + if (!WIFEXITED(wstatus)) + faterror("%s failed", inoutargs[2]); + return WEXITSTATUS(wstatus); +} + +#define CARGSMAX 20 +/* +* Run a command. +* The first two arguments are the input and output files (if nonnil); +* the rest specify the command and its arguments. +*/ + int +#if has_prototypes +run(char const *infile, char const *outfile, ...) +#else + /*VARARGS2*/ +run(infile, outfile, va_alist) + char const *infile; + char const *outfile; + va_dcl +#endif +{ + va_list ap; + char const *rgargs[CARGSMAX]; + register i = 0; + rgargs[0] = infile; + rgargs[1] = outfile; + vararg_start(ap, outfile); + for (i = 2; (rgargs[i++] = va_arg(ap, char const*)); ) + if (CARGSMAX <= i) + faterror("too many command arguments"); + va_end(ap); + return runv(rgargs); +} + + + char const * +date2str(date, datebuf) + char const date[datesize]; + char datebuf[datesize]; +/* +* Format a user-readable form of the RCS format DATE into the buffer DATEBUF. +* Yield DATEBUF. +*/ +{ + register char const *p = date; + + while (*p++ != '.') + ; + VOID sprintf(datebuf, + "19%.*s/%.2s/%.2s %.2s:%.2s:%s" + + (date[2]=='.' && VERSION(5)<=RCSversion ? 0 : 2), + (int)(p-date-1), date, + p, p+3, p+6, p+9, p+12 + ); + return datebuf; +} + + +int RCSversion; + + void +setRCSversion(str) + char const *str; +{ + static int oldversion; + + register char const *s = str + 2; + int v = VERSION_DEFAULT; + + if (oldversion) + redefined('V'); + oldversion = true; + + if (*s) { + v = 0; + while (isdigit(*s)) + v = 10*v + *s++ - '0'; + if (*s) + faterror("%s isn't a number", str); + if (v < VERSION_min || VERSION_max < v) + faterror("%s out of range %d..%d", str, VERSION_min, VERSION_max); + } + + RCSversion = VERSION(v); +} + + int +getRCSINIT(argc, argv, newargv) + int argc; + char **argv, ***newargv; +{ + register char *p, *q, **pp; + unsigned n; + + if (!(q = cgetenv("RCSINIT"))) + *newargv = argv; + else { + n = argc + 2; + /* + * Count spaces in RCSINIT to allocate a new arg vector. + * This is an upper bound, but it's OK even if too large. + */ + for (p = q; ; ) { + switch (*p++) { + default: + continue; + + case ' ': + case '\b': case '\f': case '\n': + case '\r': case '\t': case '\v': + n++; + continue; + + case '\0': + break; + } + break; + } + *newargv = pp = tnalloc(char*, n); + *pp++ = *argv++; /* copy program name */ + for (p = q; ; ) { + for (;;) { + switch (*q) { + case '\0': + goto copyrest; + + case ' ': + case '\b': case '\f': case '\n': + case '\r': case '\t': case '\v': + q++; + continue; + } + break; + } + *pp++ = p; + ++argc; + for (;;) { + switch ((*p++ = *q++)) { + case '\0': + goto copyrest; + + case '\\': + if (!*q) + goto copyrest; + p[-1] = *q++; + continue; + + default: + continue; + + case ' ': + case '\b': case '\f': case '\n': + case '\r': case '\t': case '\v': + break; + } + break; + } + p[-1] = '\0'; + } + copyrest: + while ((*pp++ = *argv++)) + ; + } + return argc; +} + + +#define cacheid(E) static uid_t i; static int s; if (!s){ s=1; i=(E); } return i + +#if has_getuid + uid_t ruid() { cacheid(getuid()); } +#endif +#if has_setuid + uid_t euid() { cacheid(geteuid()); } +#endif + + +#if has_setuid + +/* + * Setuid execution really works only with Posix 1003.1a Draft 5 seteuid(), + * because it lets us switch back and forth between arbitrary users. + * If seteuid() doesn't work, we fall back on setuid(), + * which works if saved setuid is supported, + * unless the real or effective user is root. + * This area is such a mess that we always check switches at runtime. + */ + + static void +set_uid_to(u) + uid_t u; +/* Become user u. */ +{ + static int looping; + + if (euid() == ruid()) + return; +#if (has_fork||has_spawn) && DIFF_ABSOLUTE + if (seteuid(u) != 0) + efaterror("setuid"); +#endif + if (geteuid() != u) { + if (looping) + return; + looping = true; + faterror("root setuid not supported" + (u?5:0)); + } +} + +static int stick_with_euid; + + void +/* Ignore all calls to seteid() and setrid(). */ +nosetid() +{ + stick_with_euid = true; +} + + void +seteid() +/* Become effective user. */ +{ + if (!stick_with_euid) + set_uid_to(euid()); +} + + void +setrid() +/* Become real user. */ +{ + if (!stick_with_euid) + set_uid_to(ruid()); +} +#endif |