2 * tc.os.c: OS Dependent builtin functions
5 * Copyright (c) 1980, 1991 The Regents of the University of California.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include "ed.defns.h" /* for the function names */
39 #define TIOCGPGRP TIOCGETPGRP
40 #define TIOCSPGRP TIOCSETPGRP
48 /* dosetpath -- setpath built-in command
50 **********************************************************************
52 * 08-May-88 Richard Draves (rpd) at Carnegie-Mellon University
53 * Major changes to remove artificial limits on sizes and numbers
56 **********************************************************************
60 static Char STRCPATH[] = {'C', 'P', 'A', 'T', 'H', '\0'};
61 static Char STRLPATH[] = {'L', 'P', 'A', 'T', 'H', '\0'};
62 static Char STRMPATH[] = {'M', 'P', 'A', 'T', 'H', '\0'};
64 static Char STREPATH[] = {'E', 'P', 'A', 'T', 'H', '\0'};
67 static Char *syspaths[] = {STRKPATH, STRCPATH, STRLPATH, STRMPATH,
73 #define LOCALSYSPATH "/usr/local"
77 dosetpath(Char **arglist, struct command *c)
79 extern char *getenv();
80 Char **pathvars, **cmdargs;
81 char **spaths, **cpaths, **cmds;
83 unsigned int npaths, ncmds;
87 cleanup_push(&pintr_disabled, disabled_cleanup);
90 * setpath(3) uses stdio and we want 0, 1, 2 to work...
93 (void) dcopy(SHIN, 0);
94 (void) dcopy(SHOUT, 1);
95 (void) dcopy(SHDIAG, 2);
99 for (i = 1; arglist[i] && (arglist[i][0] != '-'); i++);
102 cmdargs = &arglist[i];
103 for (; arglist[i]; i++);
104 ncmds = i - npaths - 1;
108 pathvars = &arglist[1];
112 npaths = (sizeof syspaths / sizeof *syspaths) - 1;
116 /* note that npaths != 0 */
118 spaths = xmalloc(npaths * sizeof *spaths);
119 setzero(spaths, npaths * sizeof *spaths);
120 cpaths = xmalloc((npaths + 1) * sizeof *cpaths);
121 setzero(cpaths, (npaths + 1) * sizeof *cpaths);
122 cmds = xmalloc((ncmds + 1) * sizeof *cmds);
123 setzero(cmds, (ncmds + 1) * sizeof *cmds);
124 for (i = 0; i < npaths; i++) {
125 char *val = getenv(short2str(pathvars[i]));
130 spaths[i] = xmalloc((Strlen(pathvars[i]) + strlen(val) + 2) *
132 (void) strcpy(spaths[i], short2str(pathvars[i]));
133 (void) strcat(spaths[i], "=");
134 (void) strcat(spaths[i], val);
135 cpaths[i] = spaths[i];
138 for (i = 0; i < ncmds; i++) {
139 Char *val = globone(cmdargs[i], G_ERROR);/*FIXRESET*/
143 cmds[i] = strsave(short2str(val));
147 if (setpath(cpaths, cmds, LOCALSYSPATH, sysflag, 1) < 0) {
150 for (i = 0; i < npaths; i++)
156 for (i = 0; i < ncmds; i++)
161 cleanup_until(&pintr_disabled);
166 for (i = 0; i < npaths; i++) {
169 name = str2short(cpaths[i]);
170 for (val = str2short(cpaths[i]); val && *val && *val != '='; val++);
171 if (val && *val == '=') {
174 tsetenv(name, val);/*FIXRESET*/
175 if (Strcmp(name, STRKPATH) == 0) {
176 importpath(val);/*FIXRESET*/
178 dohash(NULL, NULL);/*FIXRESET*/
183 cleanup_until(&pintr_disabled);
194 dogetxvers(Char **v, struct command *c)
196 char xvers[MAXPATHLEN];
198 if (getxvers(xvers, MAXPATHLEN) == -1)
199 stderror(ERR_SYSTEM, "getxvers", strerror(errno));
200 xprintf("%s\n", xvers);
206 dosetxvers(Char **v, struct command *c)
211 if (!*v || *v[0] == '\0')
214 xvers = short2str(*v);
215 if (setxvers(xvers) == -1)
216 stderror(ERR_SYSTEM, "setxvers", strerror(errno));
221 # define XC_PDP11 0x01
224 # define XC_8086 0x04
228 # define XC_16032 0x08
231 # define XC_S370 0x0b
233 # include <sys/x.out.h>
236 static struct xc_cpu_t {
241 { XC_PDP11, "pdp11" },
245 { XC_68K, "mc68000" },
248 { XC_16032, "ns16032" },
251 { XC_S370, "xa370" },
256 * our local hack table, stolen from x.out.h
263 for (i = 0; xcpu[i].xc_name != NULL; i++)
264 if (xcpu[i].xc_id == xcid)
265 return (xcpu[i].xc_name);
274 for (i = 0; xcpu[i].xc_name != NULL; i++)
275 if (strcmp(xcpu[i].xc_name, xcname) == 0)
276 return (xcpu[i].xc_id);
283 dogetspath(Char **v, struct command *c)
286 sitepath_t p[MAXSITE];
288 static char *local = "LOCAL ";
290 if ((j = getspath(p, MAXSITE)) == -1)
291 stderror(ERR_SYSTEM, "getspath", strerror(errno));
292 for (i = 0; i < j && (p[i] & SPATH_CPU) != NOSITE; i++) {
293 if (p[i] & SPATH_CPU) {
294 if ((p[i] & SPATH_MASK) == NULLSITE)
296 else if ((st = sfxcode((short) (p[i] & SPATH_MASK))) != NULL)
297 xprintf("%s ", st->sf_ctype);
299 char *xc = getxcode(p[i] & SPATH_MASK);
304 xprintf("*cpu %d* ", (int) (p[i] & SPATH_MASK));
306 * BUG in the aix code... needs that cause if
307 * sfxcode fails once it fails for ever
313 if (p[i] == NULLSITE)
315 else if ((st = sfnum(p[i])) != NULL)
316 xprintf("%s ", st->sf_sname);
318 xprintf("*site %d* ", (int) (p[i] & SPATH_MASK));
327 dosetspath(Char **v, struct command *c)
332 sitepath_t p[MAXSITE];
336 * sfname() on AIX G9.9 at least, mallocs too pointers p, q
337 * then does the equivalent of while (*p++ == *q++) continue;
338 * and then tries to free(p,q) them! Congrats to the wizard who
339 * wrote that one. I bet he tested it really well too.
340 * Sooo, we set dont_free :-)
343 for (i = 0, v++; *v && *v[0] != '\0'; v++, i++) {
347 else if (strcmp(s, "LOCAL") == 0)
349 else if ((st = sfctype(s)) != NULL)
350 p[i] = SPATH_CPU | st->sf_ccode;
351 else if ((j = getxid(s)) != -1)
352 p[i] = SPATH_CPU | j;
353 else if ((st = sfname(s)) != NULL)
357 stderror(ERR_NAME | ERR_STRING, CGETS(23, 1, "Bad cpu/site name"));
359 if (i == MAXSITE - 1)
360 stderror(ERR_NAME | ERR_STRING, CGETS(23, 2, "Site path too long"));
362 if (setspath(p, i) == -1)
363 stderror(ERR_SYSTEM, "setspath", strerror(errno));
368 * Return the site name where the process is running
376 if ((ss = site(pid)) == -1 || (st = sfnum(ss)) == NULL)
377 return CGETS(23, 3, "unknown");
383 migratepid(pit_t pid, siteno_t new_site)
388 need_local = (pid == 0) || (pid == getpid());
390 if (kill3(pid, SIGMIGRATE, new_site) < 0) {
391 xprintf("%d: %s\n", pid, strerror(errno));
396 if ((new_site = site(0)) == -1) {
397 xprintf(CGETS(23, 4, "site: %s\n"), strerror(errno));
400 if ((st = sfnum(new_site)) == NULL) {
401 xprintf(CGETS(23, 5, "%d: Site not found\n"), new_site);
404 if (setlocal(st->sf_local, strlen(st->sf_local)) == -1) {
405 xprintf(CGETS(23, 6, "setlocal: %s: %s\n"),
406 st->sf_local, strerror(errno));
415 domigrate(Char **v, struct command *c)
423 siteno_t new_site = 0;
426 cleanup_push(&pchild_disabled, disabled_cleanup);
429 cleanup_push(&pintr_disabled, disabled_cleanup);
437 s = short2str(&v[0][1]);
439 * see comment in setspath()
442 if ((st = sfname(s)) == NULL) {
445 stderror(ERR_NAME | ERR_STRING, CGETS(23, 7, "Site not found"));
448 new_site = st->sf_id;
452 if (!*v || *v[0] == '\0') {
453 if (migratepid(0, new_site) == -1)
459 v = glob_all_or_error(v);
461 cleanup_push(globbed, blk_cleanup);
463 while (v && (cp = *v)) {
466 if (kill3(- pp->p_jobid, SIGMIGRATE, new_site) < 0) {
467 xprintf("%S: %s\n", cp, strerror(errno));
471 else if (!(Isdigit(*cp) || *cp == '-'))
472 stderror(ERR_NAME | ERR_JOBARGS);
474 pid = atoi(short2str(cp));
475 if (migratepid(pid, new_site) == -1)
480 cleanup_until(globbed);
484 cleanup_until(&pchild_disabled);
486 stderror(ERR_SILENT);
492 *** CRAY ddmode <velo@sesun3.epfl.ch> (Martin Ouwehand EPFL-SIC/SE)
494 #if defined(_CRAY) && !defined(_CRAYMPP)
496 dodmmode(Char **v, struct command *c)
507 xprintf("%d\n",mode);
511 stderror(ERR_NAME | ERR_STRING,
512 CGETS(23, 30, "Too many arguments"));
522 stderror(ERR_NAME | ERR_STRING,
523 CGETS(23, 31, "Invalid argument"));
527 #endif /* _CRAY && !_CRAYMPP */
536 * handle the funky warping of symlinks
539 #include <sys/warp.h>
541 static jmp_buf sigsys_buf;
547 sigemptyset(&set, SIGSYS);
548 (void)sigprocmask(SIG_UNBLOCK, &set, NULL);
549 longjmp(sigsys_buf, 1);
555 dowarp(Char **v, struct command *c)
559 volatile struct sigaction old_sigsys_handler;
562 if (setjmp(sigsys_buf)) {
563 sigaction(SIGSYS, &old_sigsys_handler, NULL);
564 stderror(ERR_NAME | ERR_STRING,
565 CGETS(23, 8, "You're trapped in a universe you never made"));
568 sigaction(SIGSYS, NULL, &old_sigsys_handler);
569 signal(SIGSYS, catch_sigsys);
574 if (*v == 0) { /* display warp value */
576 stderror(ERR_NAME | ERR_STRING, CGETS(23, 9, "Getwarp failed"));
577 we = getwarpbyvalue(warp);
579 printf("%s\n", we->w_name);
581 printf("%d\n", warp);
583 else { /* set warp value */
585 newwarp = short2str(*v);
587 warp = atoi(newwarp);
589 we = getwarpbyname(newwarp);
595 if ((warp < 0) || (warp >= WARP_MAXLINK))
596 stderror(ERR_NAME | ERR_STRING, CGETS(23, 10, "Invalid warp"));
597 if ((setwarp(warp) < 0) || (getwarp() != warp)) {
598 (void) setwarp(oldwarp);
599 stderror(ERR_NAME | ERR_STRING, CGETS(23, 11, "Setwarp failed"));
602 sigaction(SIGSYS, &old_sigsys_handler, NULL);
609 /* Added, DAS DEC-90. */
610 #if defined(masscomp) || defined(_CX_UX)
612 setuniverse_cleanup(void *xbuf)
622 douniverse(Char **v, struct command *c)
625 Char *cp2; /* dunno how many elements v comes in with */
629 (void) getuniverse(ubuf);
630 xprintf("%s\n", ubuf);
635 if (*cp == '\0' || setuniverse(short2str(cp)) != 0)
636 stderror(ERR_NAME | ERR_STRING, CGETS(23, 12, "Illegal universe"));
639 (void) getuniverse(ubuf);
640 if (*cp == '\0' || setuniverse(short2str(cp)) != 0)
641 stderror(ERR_NAME | ERR_STRING, CGETS(23, 12, "Illegal universe"));
642 cleanup_push(ubuf, setuniverse_cleanup);
645 cleanup_push(&pintr_disabled, disabled_cleanup);
649 cleanup_until(&pintr_disabled);
655 #endif /* masscomp || _CX_UX */
658 *** BS2000/OSD POSIX (Fujitsu Siemens Computers)
660 #if defined(_OSD_POSIX)
664 enum { outside = ' ', singlequote='\'', doublequote='"'} string = outside;
668 for (white = str + strlen(str) - 1; isspace(*white) && white > str; --white)
671 for (; *str != '\0'; ++str)
673 if (string == outside)
675 *str = toupper (*str);
679 if (string == outside)
680 string = singlequote;
681 else if (string != doublequote)
684 else if (*str == '"')
686 if (string == outside)
687 string = doublequote;
688 else if (string != singlequote)
692 if (string != outside)
694 stderror(ERR_NAME | ERR_UNMATCHED, (Char) string);
700 bs2cmdlist(char *str)
702 char *str_beg = NULL;
705 enum { outside = ' ', singlequote='\'', doublequote='"'} string = outside;
709 while (isspace(*str))
717 for (; *str != '\0'; ++str)
719 if (string == outside && *str == ';') /* End of command */
722 break; /* continue with next command */
726 if (string == outside)
727 string = singlequote;
728 else if (string != doublequote)
731 else if (*str == '"')
733 if (string == outside)
734 string = doublequote;
735 else if (string != singlequote)
739 if (strlen(str_beg) != 0)
741 ret = bs2system(str_beg);
743 if (ret != 0 /*&& !option.err_ignore*/)
744 break; /* do not continue after errors */
748 if (string != outside)
750 stderror(ERR_NAME | ERR_UNMATCHED, (Char) string);
758 dobs2cmd(Char **v, struct command *c)
764 struct command faket;
767 int icnt, old_pintr_disabled;
768 static const Char STRbs2cmd[] = { 'b','s','2','c','m','d','\0' };
772 pintr_push_enable(&old_pintr_disabled);
773 v = glob_all_or_error(v);
775 cleanup_until(&old_pintr_disabled);
777 cleanup_push(globbed, blk_cleanup);
779 /* First round: count the string lengths */
780 for (i=0; v[i]; ++i) {
781 len += Strlen(v[i]) + (v[i+1] != NULL);
784 cmd = xmalloc(len+1); /* 1 for the final '\0' *//* FIXME: memory leak? */
786 /* 2nd round: fill cmd buffer */
788 while ((cp = *v++) != 0) {
797 /* Make upper case */
800 faket.t_dtyp = NODE_COMMAND;
801 faket.t_dflg = F_BACKQ|F_STDERR;
805 faket.t_dcom = fakecom;
806 fakecom[0] = (Char *)STRbs2cmd;
810 cleanup_push(&pvec[0], open_cleanup);
811 cleanup_push(&pvec[1], open_cleanup);
812 if (pfork(&faket, -1) == 0) {
816 (void) dmove(pvec[1], 1);
817 (void) dmove(SHDIAG, 2);
820 sigaddset(&set, SIGINT);
821 (void)sigprocmask(SIG_UNBLOCK, &set, NULL);
823 signal(SIGTSTP, SIG_IGN);
826 signal(SIGTTIN, SIG_IGN);
829 signal(SIGTTOU, SIG_IGN);
831 xexit(bs2cmdlist(cmd));
833 cleanup_until(&pvec[1]);
835 int old_pintr_disabled;
838 pintr_push_enable(&old_pintr_disabled);
839 icnt = xread(pvec[0], tibuf, sizeof(tibuf));
841 cleanup_until(&old_pintr_disabled);
844 for (i = 0; i < icnt; i++)
845 xputchar((unsigned char) tibuf[i]);
847 cleanup_until(&pvec[0]);
852 cleanup_until(globbed);
854 #endif /* _OSD_POSIX */
858 setuniverse_cleanup(void *xbuf)
868 doatt(Char **v, struct command *c)
874 (void) setuniverse("att");
876 (void) getuniverse(ubuf);
877 (void) setuniverse("att");
878 cleanup_push(ubuf, setuniverse_cleanup);
881 cleanup_push(&pintr_disabled, disabled_cleanup);
885 cleanup_until(&pintr_disabled);
893 doucb(Char **v, struct command *c)
899 (void) setuniverse("ucb");
901 (void) getuniverse(ubuf);
902 (void) setuniverse("ucb");
903 cleanup_push(ubuf, setuniverse_cleanup);
906 cleanup_push(&pintr_disabled, disabled_cleanup);
910 cleanup_until(&pintr_disabled);
919 * Compute the difference in process stats.
922 pr_stat_sub(struct process_stats *p2, struct process_stats *p1,
923 struct process_stats *pr)
925 pr->ps_utime.tv_sec = p2->ps_utime.tv_sec - p1->ps_utime.tv_sec;
926 pr->ps_utime.tv_usec = p2->ps_utime.tv_usec - p1->ps_utime.tv_usec;
927 if (pr->ps_utime.tv_usec < 0) {
928 pr->ps_utime.tv_sec -= 1;
929 pr->ps_utime.tv_usec += 1000000;
931 pr->ps_stime.tv_sec = p2->ps_stime.tv_sec - p1->ps_stime.tv_sec;
932 pr->ps_stime.tv_usec = p2->ps_stime.tv_usec - p1->ps_stime.tv_usec;
933 if (pr->ps_stime.tv_usec < 0) {
934 pr->ps_stime.tv_sec -= 1;
935 pr->ps_stime.tv_usec += 1000000;
938 pr->ps_maxrss = p2->ps_maxrss - p1->ps_maxrss;
939 pr->ps_pagein = p2->ps_pagein - p1->ps_pagein;
940 pr->ps_reclaim = p2->ps_reclaim - p1->ps_reclaim;
941 pr->ps_zerofill = p2->ps_zerofill - p1->ps_zerofill;
942 pr->ps_pffincr = p2->ps_pffincr - p1->ps_pffincr;
943 pr->ps_pffdecr = p2->ps_pffdecr - p1->ps_pffdecr;
944 pr->ps_swap = p2->ps_swap - p1->ps_swap;
945 pr->ps_syscall = p2->ps_syscall - p1->ps_syscall;
946 pr->ps_volcsw = p2->ps_volcsw - p1->ps_volcsw;
947 pr->ps_involcsw = p2->ps_involcsw - p1->ps_involcsw;
948 pr->ps_signal = p2->ps_signal - p1->ps_signal;
949 pr->ps_lread = p2->ps_lread - p1->ps_lread;
950 pr->ps_lwrite = p2->ps_lwrite - p1->ps_lwrite;
951 pr->ps_bread = p2->ps_bread - p1->ps_bread;
952 pr->ps_bwrite = p2->ps_bwrite - p1->ps_bwrite;
953 pr->ps_phread = p2->ps_phread - p1->ps_phread;
954 pr->ps_phwrite = p2->ps_phwrite - p1->ps_phwrite;
957 #endif /* _SEQUENT_ */
961 /* This is a replacement for a missing memset function */
962 void *xmemset(void *loc, int value, size_t len)
970 #endif /* !HAVE_MEMSET */
975 * This is the ANSI form of bcopy() with the arguments backwards...
976 * Unlike memcpy(), it handles overlaps between source and
980 xmemmove(void *vdst, const void *vsrc, size_t len)
982 const char *src = vsrc;
1000 #endif /* HAVE_MEMMOVE */
1003 #ifndef WINNT_NATIVE
1004 #ifdef NEEDtcgetpgrp
1010 /* ioctl will handle setting errno correctly. */
1011 if (ioctl(fd, TIOCGPGRP, (ioctl_t) & pgrp) < 0)
1017 * XXX: tcsetpgrp is not a macro any more cause on some systems,
1018 * pid_t is a short, but the ioctl() takes a pointer to int (pyr)
1019 * Thanks to Simon Day (simon@pharaoh.cyborg.bt.co.uk) for pointing
1023 xtcsetpgrp(int fd, int pgrp)
1025 return ioctl(fd, TIOCSPGRP, (ioctl_t) &pgrp);
1028 #endif /* NEEDtcgetpgrp */
1029 #endif /* WINNT_NATIVE */
1038 extern int yp_get_default_domain (char **);
1040 * PWP: The previous version assumed that yp domain was the same as the
1041 * internet name domain. This isn't allways true. (Thanks to Mat Landau
1042 * <mlandau@bbn.com> for the original version of this.)
1044 if (yp_get_default_domain(&mydomain) == 0) { /* if we got a name */
1045 extern void yp_unbind (const char *);
1047 yp_unbind(mydomain);
1055 fix_strcoll_bug(void)
1057 #if defined(NLS) && defined(HAVE_STRCOLL)
1059 * SunOS4 checks the file descriptor from openlocale() for <= 0
1060 * instead of == -1. Someone should tell sun that file descriptor 0
1061 * is valid! Our portable hack: open one so we call it with 0 used...
1062 * We have to call this routine every time the locale changes...
1064 * Of course it also tries to free the constant locale "C" it initially
1065 * had allocated, with the sequence
1066 * > setenv LANG "fr"
1069 * But we are smarter than that and just print a warning message.
1072 static char *root = "/";
1075 fd = xopen(root, O_RDONLY|O_LARGEFILE);
1077 (void) strcoll(root, root);
1083 #endif /* STRCOLLBUG */
1095 setcompat(getcompat() & ~COMPAT_EXEC);
1096 signal(SIGIO, SIG_IGN); /* ignore SIGIO */
1101 struct sigstack inst;
1102 inst.ss_sp = xmalloc(4192) + 4192;
1103 inst.ss_onstack = 0;
1104 sigstack(&inst, NULL);
1114 * kill(SIGCONT) problems, don't know what this syscall does
1115 * [schott@rzg.mpg.de]
1117 syscall(151, getpid(), getpid());
1121 #ifndef HAVE_STRERROR
1122 extern int sys_nerr;
1123 extern char *sys_errlist[];
1127 if (i >= 0 && i < sys_nerr) {
1128 return sys_errlist[i];
1130 static char *errbuf; /* = NULL; */
1133 errbuf = xasprintf(CGETS(23, 13, "Unknown Error: %d"), i);
1137 #endif /* !HAVE_STRERROR */
1139 #ifndef HAVE_GETHOSTNAME
1140 # if !defined(_MINIX) && !defined(__EMX__) && !defined(WINNT_NATIVE)
1141 # include <sys/utsname.h>
1142 # endif /* !_MINIX && !__EMX__ && !WINNT_NATIVE */
1145 xgethostname(char *name, int namlen)
1147 # if !defined(_MINIX) && !defined(__EMX__) && !defined(WINNT_NATIVE)
1151 retval = uname(&uts);
1154 xprintf(CGETS(23, 14, "sysname: %s\n"), uts.sysname);
1155 xprintf(CGETS(23, 15, "nodename: %s\n"), uts.nodename);
1156 xprintf(CGETS(23, 16, "release: %s\n"), uts.release);
1157 xprintf(CGETS(23, 17, "version: %s\n"), uts.version);
1158 xprintf(CGETS(23, 18, "machine: %s\n"), uts.machine);
1160 i = strlen(uts.nodename) + 1;
1161 (void) strncpy(name, uts.nodename, i < namlen ? i : namlen);
1164 # else /* !_MINIX && !__EMX__ */
1167 (void) strncpy(name, "OS/2", namlen);
1169 (void) strncpy(name, "minix", namlen);
1170 # endif /* __EMX__ */
1171 name[namlen-1] = '\0';
1174 #endif /* _MINIX && !__EMX__ */
1175 } /* end xgethostname */
1176 #endif /* !HAVE_GETHOSTNAME */
1179 # if defined(_MINIX) && defined(NICE)
1180 # undef _POSIX_SOURCE /* redefined in <lib.h> */
1181 # undef _MINIX /* redefined in <lib.h> */
1182 # undef HZ /* redefined in <minix/const.h> */
1184 # endif /* _MINIX && NICE */
1188 #if defined(_MINIX) && defined(NICE)
1189 return callm1(MM, NICE, incr, 0, 0, NIL_PTR, NIL_PTR, NIL_PTR);
1191 return /* incr ? 0 : */ 0;
1192 #endif /* _MINIX && NICE */
1194 #endif /* !HAVE_NICE */
1197 static char *strnrcpy (char *, char *, size_t);
1200 * Return the pathname of the current directory, or return
1201 * an error message in pathname.
1206 * From: Bernd Mohr <mohr@faui77.informatik.uni-erlangen.de>
1207 * I also ported the tcsh to the HP9000 Series 500. This computer
1208 * is a little bit different than the other HP 9000 computer. It has
1209 * a HP Chip instead of a Motorola CPU and it is no "real" UNIX. It runs
1210 * HP-UX which is emulated in top of a HP operating system. So, the last
1211 * supported version of HP-UX is 5.2 on the HP9000s500. This has two
1212 * consequences: it supports no job control and it has a filesystem
1213 * without "." and ".." !!!
1216 xgetcwd(char *pathname, size_t pathlen)
1218 char pathbuf[MAXPATHLEN]; /* temporary pathname buffer */
1219 char *pnptr = &pathbuf[(sizeof pathbuf)-1]; /* pathname pointer */
1220 dev_t rdev; /* root device number */
1221 DIR *dirp = NULL; /* directory stream */
1222 ino_t rino; /* root inode number */
1223 off_t rsize; /* root size */
1224 struct direct *dir; /* directory entry struct */
1225 struct stat d, dd; /* file status struct */
1229 (void) stat("/.", &d);
1234 if (stat(".", &d) == -1) {
1235 (void) xsnprintf(pathname, pathlen, CGETS(23, 24,
1236 "getcwd: Cannot stat \".\" (%s)"), strerror(errno));
1239 if (d.st_ino == rino && d.st_dev == rdev && d.st_size == rsize)
1240 break; /* reached root directory */
1241 if ((dirp = opendir("..")) == NULL) {
1242 (void) xsnprintf(pathname, pathlen, CGETS(23, 19,
1243 "getcwd: Cannot open \"..\" (%s)"), strerror(errno));
1246 if (chdir("..") == -1) {
1247 (void) xsnprintf(pathname, pathlen, CGETS(23, 20,
1248 "getcwd: Cannot chdir to \"..\" (%s)"), strerror(errno));
1252 if ((dir = readdir(dirp)) == NULL) {
1253 (void) xsnprintf(pathname, pathlen,
1254 CGETS(23, 21, "getcwd: Read error in \"..\" (%s)"),
1258 if (stat(dir->d_name, &dd) == -1) {
1259 (void) xsnprintf(pathname, pathlen,
1260 CGETS(23, 25, "getcwd: Cannot stat directory \"%s\" (%s)"),
1261 dir->d_name, strerror(errno));
1264 } while (dd.st_ino != d.st_ino ||
1265 dd.st_dev != d.st_dev ||
1266 dd.st_size != d.st_size);
1269 pnptr = strnrcpy(dirp->d_name, pnptr, pnptr - pathbuf);
1270 pnptr = strnrcpy("/", pnptr, pnptr - pathbuf);
1273 if (*pnptr == '\0') /* current dir == root dir */
1274 (void) strncpy(pathname, "/", pathlen);
1276 (void) strncpy(pathname, pnptr, pathlen);
1277 pathname[pathlen - 1] = '\0';
1278 if (chdir(pnptr) == -1) {
1279 (void) xsnprintf(pathname, MAXPATHLEN, CGETS(23, 22,
1280 "getcwd: Cannot change back to \".\" (%s)"),
1289 (void) chdir(strnrcpy(".", pnptr, pnptr - pathbuf));
1294 # else /* ! hp9000s500 */
1298 xgetcwd(char *pathname, size_t pathlen)
1303 struct stat st_root, st_cur, st_next, st_dotdot;
1304 char pathbuf[MAXPATHLEN], nextpathbuf[MAXPATHLEN * 2];
1305 char *pathptr, *nextpathptr, *cur_name_add;
1308 /* find the inode of root */
1309 if (stat("/", &st_root) == -1) {
1310 (void) xsnprintf(pathname, pathlen, CGETS(23, 23,
1311 "getcwd: Cannot stat \"/\" (%s)"),
1315 pathbuf[MAXPATHLEN - 1] = '\0';
1316 pathptr = &pathbuf[MAXPATHLEN - 1];
1317 nextpathbuf[MAXPATHLEN - 1] = '\0';
1318 cur_name_add = nextpathptr = &nextpathbuf[MAXPATHLEN - 1];
1320 /* find the inode of the current directory */
1321 if (lstat(".", &st_cur) == -1) {
1322 (void) xsnprintf(pathname, pathlen, CGETS(23, 24,
1323 "getcwd: Cannot stat \".\" (%s)"),
1327 nextpathptr = strnrcpy(nextpathptr, "../", nextpathptr - nextpathbuf);
1329 /* Descend to root */
1332 /* look if we found root yet */
1333 if (st_cur.st_ino == st_root.st_ino &&
1334 DEV_DEV_COMPARE(st_cur.st_dev, st_root.st_dev)) {
1335 (void) strncpy(pathname, *pathptr != '/' ? "/" : pathptr, pathlen);
1336 pathname[pathlen - 1] = '\0';
1340 /* open the parent directory */
1341 if (stat(nextpathptr, &st_dotdot) == -1) {
1342 (void) xsnprintf(pathname, pathlen, CGETS(23, 25,
1343 "getcwd: Cannot stat directory \"%s\" (%s)"),
1344 nextpathptr, strerror(errno));
1347 if ((dp = opendir(nextpathptr)) == NULL) {
1348 (void) xsnprintf(pathname, pathlen, CGETS(23, 26,
1349 "getcwd: Cannot open directory \"%s\" (%s)"),
1350 nextpathptr, strerror(errno));
1354 /* look in the parent for the entry with the same inode */
1355 if (DEV_DEV_COMPARE(st_dotdot.st_dev, st_cur.st_dev)) {
1356 /* Parent has same device. No need to stat every member */
1357 for (d = readdir(dp); d != NULL; d = readdir(dp)) {
1359 if (((unsigned long)d->d_ino & 0xffff) == st_cur.st_ino)
1362 if (d->d_ino == st_cur.st_ino)
1369 * Parent has a different device. This is a mount point so we
1370 * need to stat every member
1372 for (d = readdir(dp); d != NULL; d = readdir(dp)) {
1373 if (ISDOT(d->d_name) || ISDOTDOT(d->d_name))
1375 (void)strncpy(cur_name_add, d->d_name,
1376 (size_t) (&nextpathbuf[sizeof(nextpathbuf) - 1] - cur_name_add));
1377 if (lstat(nextpathptr, &st_next) == -1) {
1379 * We might not be able to stat() some path components
1380 * if we are using afs, but this is not an error as
1381 * long as we find the one we need; we also save the
1382 * first error to report it if we don't finally succeed.
1384 if (save_errno == 0)
1388 /* check if we found it yet */
1389 if (st_next.st_ino == st_cur.st_ino &&
1390 DEV_DEV_COMPARE(st_next.st_dev, st_cur.st_dev))
1395 (void) xsnprintf(pathname, pathlen, CGETS(23, 27,
1396 "getcwd: Cannot find \".\" in \"..\" (%s)"),
1397 strerror(save_errno ? save_errno : ENOENT));
1404 pathptr = strnrcpy(pathptr, d->d_name, pathptr - pathbuf);
1405 pathptr = strnrcpy(pathptr, "/", pathptr - pathbuf);
1406 nextpathptr = strnrcpy(nextpathptr, "../", nextpathptr - nextpathbuf);
1407 *cur_name_add = '\0';
1411 # endif /* hp9000s500 */
1414 * Like strncpy, going backwards and returning the new pointer
1417 strnrcpy(char *ptr, char *str, size_t siz)
1419 int len = strlen(str);
1423 while (len && siz--)
1424 *--ptr = str[--len];
1427 } /* end strnrcpy */
1428 #endif /* !HAVE_GETCWD */
1434 #include <apollo/base.h>
1435 #include <apollo/loader.h>
1436 #include <apollo/error.h>
1440 apperr(status_$t *st)
1442 static char *buf; /* = NULL */
1443 short e_subl, e_modl, e_codel;
1444 error_$string_t e_sub, e_mod, e_code;
1446 error_$get_text(*st, e_sub, &e_subl, e_mod, &e_modl, e_code, &e_codel);
1447 e_sub[e_subl] = '\0';
1448 e_code[e_codel] = '\0';
1449 e_mod[e_modl] = '\0';
1451 buf = xasprintf("%s (%s/%s)", e_code, e_sub, e_mod);
1459 short len = Strlen(s);
1463 loader_$inlib(t = short2str(s), len, &st);
1464 if (st.all != status_$ok)
1465 stderror(ERR_SYSTEM, t, apperr(&st));
1470 doinlib(Char **v, struct command *c)
1474 setname(short2str(*v++));
1475 v = glob_all_or_error(v);
1477 cleanup_push(globbed, blk_cleanup);
1481 cleanup_until(globbed);
1487 if (eq(v, STRbsd43))
1489 else if (eq(v, STRsys53))
1492 stderror(ERR_NAME | ERR_SYSTEM, short2str(v),
1493 CGETS(23, 28, "Invalid system type"));
1500 dover(Char **v, struct command *c)
1504 setname(short2str(*v++));
1506 if (!(p = tgetenv(STRSYSTYPE)))
1507 stderror(ERR_NAME | ERR_STRING,
1508 CGETS(23, 29, "System type is not set"));
1512 tsetenv(STRSYSTYPE, getv(*v) ? STRbsd43 : STRsys53);
1518 * Many thanks to rees@citi.umich.edu (Jim Rees) and
1519 * mathys@ssdt-tempe.sps.mot.com (Yves Mathys)
1520 * For figuring out how to do this... I could have never done
1521 * it without their help.
1523 typedef short enum {
1526 name_$node_dir_type,
1531 dorootnode(Char **v, struct command *c)
1533 name_$dir_type_t dirtype = name_$node_dir_type;
1539 setname(short2str(*v++));
1541 name = short2str(*v);
1542 namelen = strlen(name);
1544 name_$resolve(name, &namelen, &uid, &st);
1545 if (st.all != status_$ok)
1546 stderror(ERR_SYSTEM, name, apperr(&st));
1548 name_$set_diru(&uid, "", &namelen, &dirtype, &st);
1549 if (st.all != status_$ok)
1550 stderror(ERR_SYSTEM, name, apperr(&st));
1557 static int res = -1;
1558 static status_$t st;
1570 st.all = status_$ok;
1573 res = stream_$isavt(&strm, &st);
1577 if (st.all != status_$ok)
1578 stderror(ERR_SYSTEM, "stream_$isavt", apperr(&st));
1584 #if defined(__CYGWIN__) && !defined(NO_CRYPT)
1585 #undef CHAR /* Collides with Win32 API */
1586 #define WIN32_LEAN_AND_MEAN
1587 #include <windows.h>
1588 #include <sys/cygwin.h>
1590 cygwin_xcrypt(struct passwd *pw, const char *password, const char *expected_pwd)
1592 static char invalid_password[] = "\377";
1593 HANDLE token = cygwin_logon_user(pw, password);
1594 if (token == INVALID_HANDLE_VALUE)
1595 return invalid_password;
1597 return (char *) expected_pwd;
1599 #endif /* __CYGWIN__ && !NO_CRYPT */