17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
22*a77d64afScf46844
23*a77d64afScf46844 /*
24*a77d64afScf46844 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
25*a77d64afScf46844 * Use is subject to license terms.
26*a77d64afScf46844 */
27*a77d64afScf46844
287c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
297c478bd9Sstevel@tonic-gate /* All Rights Reserved */
307c478bd9Sstevel@tonic-gate /* */
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate * make directory.
347c478bd9Sstevel@tonic-gate * If -m is used with a valid mode, directories will be
357c478bd9Sstevel@tonic-gate * created in that mode. Otherwise, the default mode will
367c478bd9Sstevel@tonic-gate * be 777 possibly altered by the process's file mode creation
377c478bd9Sstevel@tonic-gate * mask.
387c478bd9Sstevel@tonic-gate * If -p is used, make the directory as well as
397c478bd9Sstevel@tonic-gate * its non-existing parent directories.
407c478bd9Sstevel@tonic-gate */
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate #include <signal.h>
437c478bd9Sstevel@tonic-gate #include <stdio.h>
447c478bd9Sstevel@tonic-gate #include <sys/types.h>
457c478bd9Sstevel@tonic-gate #include <sys/stat.h>
467c478bd9Sstevel@tonic-gate #include <errno.h>
477c478bd9Sstevel@tonic-gate #include <string.h>
487c478bd9Sstevel@tonic-gate #include <locale.h>
497c478bd9Sstevel@tonic-gate #include <stdlib.h>
507c478bd9Sstevel@tonic-gate #include <unistd.h>
517c478bd9Sstevel@tonic-gate #include <libgen.h>
527c478bd9Sstevel@tonic-gate #include <stdarg.h>
537c478bd9Sstevel@tonic-gate #include <wchar.h>
547c478bd9Sstevel@tonic-gate
557c478bd9Sstevel@tonic-gate #define MSGEXISTS "\"%s\": Exists but is not a directory\n"
567c478bd9Sstevel@tonic-gate #define MSGUSAGE "usage: mkdir [-m mode] [-p] dirname ...\n"
577c478bd9Sstevel@tonic-gate #define MSGFMT1 "\"%s\": %s\n"
587c478bd9Sstevel@tonic-gate #define MSGFAILED "Failed to make directory \"%s\"; %s\n"
597c478bd9Sstevel@tonic-gate
607c478bd9Sstevel@tonic-gate extern int optind, errno;
617c478bd9Sstevel@tonic-gate extern char *optarg;
627c478bd9Sstevel@tonic-gate
637c478bd9Sstevel@tonic-gate static char
647c478bd9Sstevel@tonic-gate *simplify(char *path);
657c478bd9Sstevel@tonic-gate
667c478bd9Sstevel@tonic-gate void
677c478bd9Sstevel@tonic-gate errmsg(int severity, int code, char *format, ...);
687c478bd9Sstevel@tonic-gate
697c478bd9Sstevel@tonic-gate extern mode_t
707c478bd9Sstevel@tonic-gate newmode(char *ms, mode_t new_mode, mode_t umsk, char *file, char *path);
717c478bd9Sstevel@tonic-gate
727c478bd9Sstevel@tonic-gate #define ALLRWX (S_IRWXU | S_IRWXG | S_IRWXO)
737c478bd9Sstevel@tonic-gate
747c478bd9Sstevel@tonic-gate
75*a77d64afScf46844 int
main(int argc,char * argv[])767c478bd9Sstevel@tonic-gate main(int argc, char *argv[])
777c478bd9Sstevel@tonic-gate {
787c478bd9Sstevel@tonic-gate int pflag, errflg, mflag;
797c478bd9Sstevel@tonic-gate int c, local_errno, tmp_errno;
807c478bd9Sstevel@tonic-gate mode_t cur_umask;
817c478bd9Sstevel@tonic-gate mode_t mode;
827c478bd9Sstevel@tonic-gate mode_t modediff;
837c478bd9Sstevel@tonic-gate char *d;
847c478bd9Sstevel@tonic-gate struct stat buf;
857c478bd9Sstevel@tonic-gate
867c478bd9Sstevel@tonic-gate pflag = mflag = errflg = 0;
877c478bd9Sstevel@tonic-gate local_errno = 0;
887c478bd9Sstevel@tonic-gate
897c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, "");
907c478bd9Sstevel@tonic-gate
917c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
927c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
937c478bd9Sstevel@tonic-gate #endif
947c478bd9Sstevel@tonic-gate
957c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN);
967c478bd9Sstevel@tonic-gate
977c478bd9Sstevel@tonic-gate cur_umask = umask(0);
987c478bd9Sstevel@tonic-gate
997c478bd9Sstevel@tonic-gate mode = ALLRWX;
1007c478bd9Sstevel@tonic-gate
1017c478bd9Sstevel@tonic-gate while ((c = getopt(argc, argv, "m:p")) != EOF) {
1027c478bd9Sstevel@tonic-gate switch (c) {
1037c478bd9Sstevel@tonic-gate case 'm':
1047c478bd9Sstevel@tonic-gate mflag++;
1057c478bd9Sstevel@tonic-gate mode = newmode(optarg, ALLRWX, cur_umask, "", "");
1067c478bd9Sstevel@tonic-gate break;
1077c478bd9Sstevel@tonic-gate case 'p':
1087c478bd9Sstevel@tonic-gate pflag++;
1097c478bd9Sstevel@tonic-gate break;
1107c478bd9Sstevel@tonic-gate case '?':
1117c478bd9Sstevel@tonic-gate errflg++;
1127c478bd9Sstevel@tonic-gate break;
1137c478bd9Sstevel@tonic-gate }
1147c478bd9Sstevel@tonic-gate }
1157c478bd9Sstevel@tonic-gate
1167c478bd9Sstevel@tonic-gate
1177c478bd9Sstevel@tonic-gate /*
1187c478bd9Sstevel@tonic-gate * When using default ACLs, mkdir() should be called with
1197c478bd9Sstevel@tonic-gate * 0777 always; and umask or default ACL should do the work.
1207c478bd9Sstevel@tonic-gate * Because of the POSIX.2 requirement that the
1217c478bd9Sstevel@tonic-gate * intermediate mode be at least -wx------,
1227c478bd9Sstevel@tonic-gate * we do some trickery here.
1237c478bd9Sstevel@tonic-gate *
1247c478bd9Sstevel@tonic-gate * If pflag is not set, we can just leave the umask as
1257c478bd9Sstevel@tonic-gate * it the user specified it, unless it masks any of bits 0300.
1267c478bd9Sstevel@tonic-gate */
1277c478bd9Sstevel@tonic-gate if (pflag) {
1287c478bd9Sstevel@tonic-gate modediff = cur_umask & (S_IXUSR | S_IWUSR);
1297c478bd9Sstevel@tonic-gate if (modediff)
1307c478bd9Sstevel@tonic-gate cur_umask &= ~modediff;
1317c478bd9Sstevel@tonic-gate }
1327c478bd9Sstevel@tonic-gate (void) umask(cur_umask);
1337c478bd9Sstevel@tonic-gate
1347c478bd9Sstevel@tonic-gate argc -= optind;
1357c478bd9Sstevel@tonic-gate if (argc < 1 || errflg) {
1367c478bd9Sstevel@tonic-gate errmsg(0, 2, gettext(MSGUSAGE));
1377c478bd9Sstevel@tonic-gate }
1387c478bd9Sstevel@tonic-gate argv = &argv[optind];
1397c478bd9Sstevel@tonic-gate
1407c478bd9Sstevel@tonic-gate errno = 0;
1417c478bd9Sstevel@tonic-gate while (argc--) {
1427c478bd9Sstevel@tonic-gate if ((d = simplify(*argv++)) == NULL) {
1437c478bd9Sstevel@tonic-gate exit(2);
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate
1467c478bd9Sstevel@tonic-gate /*
1477c478bd9Sstevel@tonic-gate * When -p is set, invokes mkdirp library routine.
1487c478bd9Sstevel@tonic-gate * Although successfully invoked, mkdirp sets errno to ENOENT
1497c478bd9Sstevel@tonic-gate * if one of the directory in the pathname does not exist,
1507c478bd9Sstevel@tonic-gate * thus creates a confusion on success/failure status
1517c478bd9Sstevel@tonic-gate * possibly checked by the calling routine or shell.
1527c478bd9Sstevel@tonic-gate * Therefore, errno is reset only when
1537c478bd9Sstevel@tonic-gate * mkdirp has executed successfully, otherwise save
1547c478bd9Sstevel@tonic-gate * in local_errno.
1557c478bd9Sstevel@tonic-gate */
1567c478bd9Sstevel@tonic-gate if (pflag) {
1577c478bd9Sstevel@tonic-gate /*
1587c478bd9Sstevel@tonic-gate * POSIX.2 says that it is not an error if
1597c478bd9Sstevel@tonic-gate * the argument names an existing directory.
1607c478bd9Sstevel@tonic-gate * We will, however, complain if the argument
1617c478bd9Sstevel@tonic-gate * exists but is not a directory.
1627c478bd9Sstevel@tonic-gate */
1637c478bd9Sstevel@tonic-gate if (lstat(d, &buf) != -1) {
1647c478bd9Sstevel@tonic-gate if (S_ISDIR(buf.st_mode)) {
1657c478bd9Sstevel@tonic-gate continue;
1667c478bd9Sstevel@tonic-gate } else {
1677c478bd9Sstevel@tonic-gate local_errno = EEXIST;
1687c478bd9Sstevel@tonic-gate errmsg(0, 0, gettext(MSGEXISTS), d);
1697c478bd9Sstevel@tonic-gate continue;
1707c478bd9Sstevel@tonic-gate }
1717c478bd9Sstevel@tonic-gate }
1727c478bd9Sstevel@tonic-gate errno = 0;
1737c478bd9Sstevel@tonic-gate
1747c478bd9Sstevel@tonic-gate if (mkdirp(d, ALLRWX) < 0) {
1757c478bd9Sstevel@tonic-gate tmp_errno = errno;
1767c478bd9Sstevel@tonic-gate
1777c478bd9Sstevel@tonic-gate if (tmp_errno == EEXIST) {
1787c478bd9Sstevel@tonic-gate if (lstat(d, &buf) != -1) {
1797c478bd9Sstevel@tonic-gate if (! S_ISDIR(buf.st_mode)) {
1807c478bd9Sstevel@tonic-gate local_errno =
1817c478bd9Sstevel@tonic-gate tmp_errno;
1827c478bd9Sstevel@tonic-gate errmsg(0, 0, gettext(
1837c478bd9Sstevel@tonic-gate MSGEXISTS), d);
1847c478bd9Sstevel@tonic-gate continue;
1857c478bd9Sstevel@tonic-gate }
1867c478bd9Sstevel@tonic-gate /* S_ISDIR: do nothing */
1877c478bd9Sstevel@tonic-gate } else {
1887c478bd9Sstevel@tonic-gate local_errno = tmp_errno;
1897c478bd9Sstevel@tonic-gate perror("mkdir");
1907c478bd9Sstevel@tonic-gate errmsg(0, 0,
1917c478bd9Sstevel@tonic-gate gettext(MSGFAILED), d,
1927c478bd9Sstevel@tonic-gate strerror(local_errno));
1937c478bd9Sstevel@tonic-gate continue;
1947c478bd9Sstevel@tonic-gate }
1957c478bd9Sstevel@tonic-gate } else {
1967c478bd9Sstevel@tonic-gate local_errno = tmp_errno;
1977c478bd9Sstevel@tonic-gate errmsg(0, 0, gettext(MSGFMT1), d,
1987c478bd9Sstevel@tonic-gate strerror(tmp_errno));
1997c478bd9Sstevel@tonic-gate continue;
2007c478bd9Sstevel@tonic-gate }
2017c478bd9Sstevel@tonic-gate }
2027c478bd9Sstevel@tonic-gate
2037c478bd9Sstevel@tonic-gate errno = 0;
2047c478bd9Sstevel@tonic-gate
2057c478bd9Sstevel@tonic-gate /*
2067c478bd9Sstevel@tonic-gate * get the file mode for the newly
2077c478bd9Sstevel@tonic-gate * created directory and test for
2087c478bd9Sstevel@tonic-gate * set gid bit being inherited from the parent
2097c478bd9Sstevel@tonic-gate * directory to include it with the file
2107c478bd9Sstevel@tonic-gate * mode creation for the last directory
2117c478bd9Sstevel@tonic-gate * on the dir path.
2127c478bd9Sstevel@tonic-gate *
2137c478bd9Sstevel@tonic-gate * This is only needed if mflag was specified
2147c478bd9Sstevel@tonic-gate * or if the umask was adjusted with -wx-----
2157c478bd9Sstevel@tonic-gate *
2167c478bd9Sstevel@tonic-gate * If mflag is specified, we chmod to the specified
2177c478bd9Sstevel@tonic-gate * mode, oring in the 02000 bit.
2187c478bd9Sstevel@tonic-gate *
2197c478bd9Sstevel@tonic-gate * If modediff is set, those bits need to be
2207c478bd9Sstevel@tonic-gate * removed from the last directory component,
2217c478bd9Sstevel@tonic-gate * all other bits are kept regardless of umask
2227c478bd9Sstevel@tonic-gate * in case a default ACL is present.
2237c478bd9Sstevel@tonic-gate */
2247c478bd9Sstevel@tonic-gate if (mflag || modediff) {
2257c478bd9Sstevel@tonic-gate mode_t tmpmode;
2267c478bd9Sstevel@tonic-gate
2277c478bd9Sstevel@tonic-gate (void) lstat(d, &buf);
2287c478bd9Sstevel@tonic-gate if (modediff && !mflag)
2297c478bd9Sstevel@tonic-gate tmpmode = (buf.st_mode & 07777)
2307c478bd9Sstevel@tonic-gate & ~modediff;
2317c478bd9Sstevel@tonic-gate else
2327c478bd9Sstevel@tonic-gate tmpmode = mode | (buf.st_mode & 02000);
2337c478bd9Sstevel@tonic-gate
2347c478bd9Sstevel@tonic-gate if (chmod(d, tmpmode) < 0) {
2357c478bd9Sstevel@tonic-gate tmp_errno = errno;
2367c478bd9Sstevel@tonic-gate local_errno = errno;
2377c478bd9Sstevel@tonic-gate errmsg(0, 0, gettext(MSGFMT1), d,
2387c478bd9Sstevel@tonic-gate strerror(tmp_errno));
2397c478bd9Sstevel@tonic-gate continue;
2407c478bd9Sstevel@tonic-gate }
2417c478bd9Sstevel@tonic-gate errno = 0;
2427c478bd9Sstevel@tonic-gate }
2437c478bd9Sstevel@tonic-gate
2447c478bd9Sstevel@tonic-gate continue;
2457c478bd9Sstevel@tonic-gate } else {
2467c478bd9Sstevel@tonic-gate /*
2477c478bd9Sstevel@tonic-gate * No -p. Make only one directory
2487c478bd9Sstevel@tonic-gate */
2497c478bd9Sstevel@tonic-gate
2507c478bd9Sstevel@tonic-gate errno = 0;
2517c478bd9Sstevel@tonic-gate
2527c478bd9Sstevel@tonic-gate if (mkdir(d, mode) < 0) {
2537c478bd9Sstevel@tonic-gate local_errno = tmp_errno = errno;
2547c478bd9Sstevel@tonic-gate errmsg(0, 0, gettext(MSGFAILED), d,
2557c478bd9Sstevel@tonic-gate strerror(tmp_errno));
2567c478bd9Sstevel@tonic-gate continue;
2577c478bd9Sstevel@tonic-gate }
2587c478bd9Sstevel@tonic-gate if (mflag) {
2597c478bd9Sstevel@tonic-gate mode_t tmpmode;
2607c478bd9Sstevel@tonic-gate (void) lstat(d, &buf);
2617c478bd9Sstevel@tonic-gate tmpmode = mode | (buf.st_mode & 02000);
2627c478bd9Sstevel@tonic-gate
2637c478bd9Sstevel@tonic-gate if (chmod(d, tmpmode) < 0) {
2647c478bd9Sstevel@tonic-gate tmp_errno = errno;
2657c478bd9Sstevel@tonic-gate local_errno = errno;
2667c478bd9Sstevel@tonic-gate errmsg(0, 0, gettext(MSGFMT1), d,
2677c478bd9Sstevel@tonic-gate strerror(tmp_errno));
2687c478bd9Sstevel@tonic-gate continue;
2697c478bd9Sstevel@tonic-gate }
2707c478bd9Sstevel@tonic-gate errno = 0;
2717c478bd9Sstevel@tonic-gate }
2727c478bd9Sstevel@tonic-gate }
2737c478bd9Sstevel@tonic-gate } /* end while */
2747c478bd9Sstevel@tonic-gate
2757c478bd9Sstevel@tonic-gate /* When pflag is set, the errno is saved in local_errno */
2767c478bd9Sstevel@tonic-gate
2777c478bd9Sstevel@tonic-gate if (local_errno)
2787c478bd9Sstevel@tonic-gate errno = local_errno;
279*a77d64afScf46844 return (errno ? 2: 0);
2807c478bd9Sstevel@tonic-gate }
2817c478bd9Sstevel@tonic-gate
2827c478bd9Sstevel@tonic-gate /*
2837c478bd9Sstevel@tonic-gate * errmsg - This is an interface required by the code common to mkdir and
2847c478bd9Sstevel@tonic-gate * chmod. The severity parameter is ignored here, but is meaningful
2857c478bd9Sstevel@tonic-gate * to chmod.
2867c478bd9Sstevel@tonic-gate */
2877c478bd9Sstevel@tonic-gate
2887c478bd9Sstevel@tonic-gate /* ARGSUSED */
2897c478bd9Sstevel@tonic-gate /* PRINTFLIKE3 */
2907c478bd9Sstevel@tonic-gate void
errmsg(int severity,int code,char * format,...)2917c478bd9Sstevel@tonic-gate errmsg(int severity, int code, char *format, ...)
2927c478bd9Sstevel@tonic-gate {
2937c478bd9Sstevel@tonic-gate va_list ap;
2947c478bd9Sstevel@tonic-gate va_start(ap, format);
2957c478bd9Sstevel@tonic-gate
2967c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "mkdir: ");
2977c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, format, ap);
2987c478bd9Sstevel@tonic-gate
2997c478bd9Sstevel@tonic-gate va_end(ap);
3007c478bd9Sstevel@tonic-gate
3017c478bd9Sstevel@tonic-gate if (code > 0) {
3027c478bd9Sstevel@tonic-gate exit(code);
3037c478bd9Sstevel@tonic-gate }
3047c478bd9Sstevel@tonic-gate }
3057c478bd9Sstevel@tonic-gate
3067c478bd9Sstevel@tonic-gate /*
3077c478bd9Sstevel@tonic-gate * simplify - given a pathname in a writable buffer, simplify that
3087c478bd9Sstevel@tonic-gate * path by removing meaningless occurances of path
3097c478bd9Sstevel@tonic-gate * syntax.
3107c478bd9Sstevel@tonic-gate *
3117c478bd9Sstevel@tonic-gate * The change happens in place in the argument. The
3127c478bd9Sstevel@tonic-gate * result is neceassarily no longer than the original.
3137c478bd9Sstevel@tonic-gate *
3147c478bd9Sstevel@tonic-gate * Return the pointer supplied by the caller on success, or
3157c478bd9Sstevel@tonic-gate * NULL on error.
3167c478bd9Sstevel@tonic-gate *
3177c478bd9Sstevel@tonic-gate * The caller should handle error reporting based upon the
3187c478bd9Sstevel@tonic-gate * returned vlaue.
3197c478bd9Sstevel@tonic-gate */
3207c478bd9Sstevel@tonic-gate
3217c478bd9Sstevel@tonic-gate static char *
simplify(char * mbPath)3227c478bd9Sstevel@tonic-gate simplify(char *mbPath)
3237c478bd9Sstevel@tonic-gate {
3247c478bd9Sstevel@tonic-gate int i;
3257c478bd9Sstevel@tonic-gate size_t mbPathlen; /* length of multi-byte path */
3267c478bd9Sstevel@tonic-gate size_t wcPathlen; /* length of wide-character path */
3277c478bd9Sstevel@tonic-gate wchar_t *wptr; /* scratch pointer */
3287c478bd9Sstevel@tonic-gate wchar_t *wcPath; /* wide-character version of the path */
3297c478bd9Sstevel@tonic-gate
3307c478bd9Sstevel@tonic-gate /*
3317c478bd9Sstevel@tonic-gate * bail out if there is nothing there.
3327c478bd9Sstevel@tonic-gate */
3337c478bd9Sstevel@tonic-gate
3347c478bd9Sstevel@tonic-gate if (!mbPath)
3357c478bd9Sstevel@tonic-gate return (mbPath);
3367c478bd9Sstevel@tonic-gate
3377c478bd9Sstevel@tonic-gate /*
3387c478bd9Sstevel@tonic-gate * convert the multi-byte version of the path to a
3397c478bd9Sstevel@tonic-gate * wide-character rendering, for doing our figuring.
3407c478bd9Sstevel@tonic-gate */
3417c478bd9Sstevel@tonic-gate
3427c478bd9Sstevel@tonic-gate mbPathlen = strlen(mbPath);
3437c478bd9Sstevel@tonic-gate
3447c478bd9Sstevel@tonic-gate if ((wcPath = calloc(sizeof (wchar_t), mbPathlen+1)) == NULL) {
3457c478bd9Sstevel@tonic-gate perror("mkdir");
3467c478bd9Sstevel@tonic-gate exit(2);
3477c478bd9Sstevel@tonic-gate }
3487c478bd9Sstevel@tonic-gate
3497c478bd9Sstevel@tonic-gate if ((wcPathlen = mbstowcs(wcPath, mbPath, mbPathlen)) == (size_t)-1) {
3507c478bd9Sstevel@tonic-gate free(wcPath);
3517c478bd9Sstevel@tonic-gate return (NULL);
3527c478bd9Sstevel@tonic-gate }
3537c478bd9Sstevel@tonic-gate
3547c478bd9Sstevel@tonic-gate /*
3557c478bd9Sstevel@tonic-gate * remove duplicate slashes first ("//../" -> "/")
3567c478bd9Sstevel@tonic-gate */
3577c478bd9Sstevel@tonic-gate
3587c478bd9Sstevel@tonic-gate for (wptr = wcPath, i = 0; i < wcPathlen; i++) {
3597c478bd9Sstevel@tonic-gate *wptr++ = wcPath[i];
3607c478bd9Sstevel@tonic-gate
3617c478bd9Sstevel@tonic-gate if (wcPath[i] == '/') {
3627c478bd9Sstevel@tonic-gate i++;
3637c478bd9Sstevel@tonic-gate
3647c478bd9Sstevel@tonic-gate while (wcPath[i] == '/') {
3657c478bd9Sstevel@tonic-gate i++;
3667c478bd9Sstevel@tonic-gate }
3677c478bd9Sstevel@tonic-gate
3687c478bd9Sstevel@tonic-gate i--;
3697c478bd9Sstevel@tonic-gate }
3707c478bd9Sstevel@tonic-gate }
3717c478bd9Sstevel@tonic-gate
3727c478bd9Sstevel@tonic-gate *wptr = '\0';
3737c478bd9Sstevel@tonic-gate
3747c478bd9Sstevel@tonic-gate /*
3757c478bd9Sstevel@tonic-gate * next skip initial occurances of "./"
3767c478bd9Sstevel@tonic-gate */
3777c478bd9Sstevel@tonic-gate
3787c478bd9Sstevel@tonic-gate for (wcPathlen = wcslen(wcPath), wptr = wcPath, i = 0;
3797c478bd9Sstevel@tonic-gate i < wcPathlen-2 && wcPath[i] == '.' && wcPath[i+1] == '/';
3807c478bd9Sstevel@tonic-gate i += 2) {
3817c478bd9Sstevel@tonic-gate /* empty body */
3827c478bd9Sstevel@tonic-gate }
3837c478bd9Sstevel@tonic-gate
3847c478bd9Sstevel@tonic-gate /*
3857c478bd9Sstevel@tonic-gate * now make reductions of various forms.
3867c478bd9Sstevel@tonic-gate */
3877c478bd9Sstevel@tonic-gate
3887c478bd9Sstevel@tonic-gate while (i < wcPathlen) {
3897c478bd9Sstevel@tonic-gate if (i < wcPathlen-2 && wcPath[i] == '/' &&
3907c478bd9Sstevel@tonic-gate wcPath[i+1] == '.' && wcPath[i+2] == '/') {
3917c478bd9Sstevel@tonic-gate /* "/./" -> "/" */
3927c478bd9Sstevel@tonic-gate i += 2;
3937c478bd9Sstevel@tonic-gate } else {
3947c478bd9Sstevel@tonic-gate /* Normal case: copy the character */
3957c478bd9Sstevel@tonic-gate *wptr++ = wcPath[i++];
3967c478bd9Sstevel@tonic-gate }
3977c478bd9Sstevel@tonic-gate }
3987c478bd9Sstevel@tonic-gate
3997c478bd9Sstevel@tonic-gate *wptr = '\0';
4007c478bd9Sstevel@tonic-gate
4017c478bd9Sstevel@tonic-gate /*
4027c478bd9Sstevel@tonic-gate * now convert back to the multi-byte format.
4037c478bd9Sstevel@tonic-gate */
4047c478bd9Sstevel@tonic-gate
4057c478bd9Sstevel@tonic-gate if (wcstombs(mbPath, wcPath, mbPathlen) == (size_t)-1) {
4067c478bd9Sstevel@tonic-gate free(wcPath);
4077c478bd9Sstevel@tonic-gate return (NULL);
4087c478bd9Sstevel@tonic-gate }
4097c478bd9Sstevel@tonic-gate
4107c478bd9Sstevel@tonic-gate free(wcPath);
4117c478bd9Sstevel@tonic-gate return (mbPath);
4127c478bd9Sstevel@tonic-gate }
413