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-rw-r--r--bin/ls/print.c827
1 files changed, 827 insertions, 0 deletions
diff --git a/bin/ls/print.c b/bin/ls/print.c
new file mode 100644
index 000000000000..9a537418f7b9
--- /dev/null
+++ b/bin/ls/print.c
@@ -0,0 +1,827 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Michael Fischbein.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if 0
+#ifndef lint
+static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94";
+#endif /* not lint */
+#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/acl.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fts.h>
+#include <langinfo.h>
+#include <libutil.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <wchar.h>
+#ifdef COLORLS
+#include <ctype.h>
+#include <termcap.h>
+#include <signal.h>
+#endif
+
+#include "ls.h"
+#include "extern.h"
+
+static int printaname(const FTSENT *, u_long, u_long);
+static void printdev(size_t, dev_t);
+static void printlink(const FTSENT *);
+static void printtime(time_t);
+static int printtype(u_int);
+static void printsize(size_t, off_t);
+#ifdef COLORLS
+static void endcolor_termcap(int);
+static void endcolor_ansi(void);
+static void endcolor(int);
+static int colortype(mode_t);
+#endif
+static void aclmode(char *, const FTSENT *);
+
+#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
+
+#ifdef COLORLS
+/* Most of these are taken from <sys/stat.h> */
+typedef enum Colors {
+ C_DIR, /* directory */
+ C_LNK, /* symbolic link */
+ C_SOCK, /* socket */
+ C_FIFO, /* pipe */
+ C_EXEC, /* executable */
+ C_BLK, /* block special */
+ C_CHR, /* character special */
+ C_SUID, /* setuid executable */
+ C_SGID, /* setgid executable */
+ C_WSDIR, /* directory writeble to others, with sticky
+ * bit */
+ C_WDIR, /* directory writeble to others, without
+ * sticky bit */
+ C_NUMCOLORS /* just a place-holder */
+} Colors;
+
+static const char *defcolors = "exfxcxdxbxegedabagacad";
+
+/* colors for file types */
+static struct {
+ int num[2];
+ int bold;
+} colors[C_NUMCOLORS];
+#endif
+
+static size_t padding_for_month[12];
+static size_t month_max_size = 0;
+
+void
+printscol(const DISPLAY *dp)
+{
+ FTSENT *p;
+
+ for (p = dp->list; p; p = p->fts_link) {
+ if (IS_NOPRINT(p))
+ continue;
+ (void)printaname(p, dp->s_inode, dp->s_block);
+ (void)putchar('\n');
+ }
+}
+
+/*
+ * print name in current style
+ */
+int
+printname(const char *name)
+{
+ if (f_octal || f_octal_escape)
+ return prn_octal(name);
+ else if (f_nonprint)
+ return prn_printable(name);
+ else
+ return prn_normal(name);
+}
+
+static const char *
+get_abmon(int mon)
+{
+
+ switch (mon) {
+ case 0: return (nl_langinfo(ABMON_1));
+ case 1: return (nl_langinfo(ABMON_2));
+ case 2: return (nl_langinfo(ABMON_3));
+ case 3: return (nl_langinfo(ABMON_4));
+ case 4: return (nl_langinfo(ABMON_5));
+ case 5: return (nl_langinfo(ABMON_6));
+ case 6: return (nl_langinfo(ABMON_7));
+ case 7: return (nl_langinfo(ABMON_8));
+ case 8: return (nl_langinfo(ABMON_9));
+ case 9: return (nl_langinfo(ABMON_10));
+ case 10: return (nl_langinfo(ABMON_11));
+ case 11: return (nl_langinfo(ABMON_12));
+ }
+
+ /* should never happen */
+ abort();
+}
+
+static size_t
+mbswidth(const char *month)
+{
+ wchar_t wc;
+ size_t width, donelen, clen, w;
+
+ width = donelen = 0;
+ while ((clen = mbrtowc(&wc, month + donelen, MB_LEN_MAX, NULL)) != 0) {
+ if (clen == (size_t)-1 || clen == (size_t)-2)
+ return (-1);
+ donelen += clen;
+ if ((w = wcwidth(wc)) == (size_t)-1)
+ return (-1);
+ width += w;
+ }
+
+ return (width);
+}
+
+static void
+compute_abbreviated_month_size(void)
+{
+ int i;
+ size_t width;
+ size_t months_width[12];
+
+ for (i = 0; i < 12; i++) {
+ width = mbswidth(get_abmon(i));
+ if (width == (size_t)-1) {
+ month_max_size = -1;
+ return;
+ }
+ months_width[i] = width;
+ if (width > month_max_size)
+ month_max_size = width;
+ }
+
+ for (i = 0; i < 12; i++)
+ padding_for_month[i] = month_max_size - months_width[i];
+}
+
+void
+printlong(const DISPLAY *dp)
+{
+ struct stat *sp;
+ FTSENT *p;
+ NAMES *np;
+ char buf[20];
+#ifdef COLORLS
+ int color_printed = 0;
+#endif
+
+ if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
+ (f_longform || f_size)) {
+ (void)printf("total %lu\n", howmany(dp->btotal, blocksize));
+ }
+
+ for (p = dp->list; p; p = p->fts_link) {
+ if (IS_NOPRINT(p))
+ continue;
+ sp = p->fts_statp;
+ if (f_inode)
+ (void)printf("%*ju ",
+ dp->s_inode, (uintmax_t)sp->st_ino);
+ if (f_size)
+ (void)printf("%*jd ",
+ dp->s_block, howmany(sp->st_blocks, blocksize));
+ strmode(sp->st_mode, buf);
+ aclmode(buf, p);
+ np = p->fts_pointer;
+ (void)printf("%s %*ju %-*s %-*s ", buf, dp->s_nlink,
+ (uintmax_t)sp->st_nlink, dp->s_user, np->user, dp->s_group,
+ np->group);
+ if (f_flags)
+ (void)printf("%-*s ", dp->s_flags, np->flags);
+ if (f_label)
+ (void)printf("%-*s ", dp->s_label, np->label);
+ if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
+ printdev(dp->s_size, sp->st_rdev);
+ else
+ printsize(dp->s_size, sp->st_size);
+ if (f_accesstime)
+ printtime(sp->st_atime);
+ else if (f_birthtime)
+ printtime(sp->st_birthtime);
+ else if (f_statustime)
+ printtime(sp->st_ctime);
+ else
+ printtime(sp->st_mtime);
+#ifdef COLORLS
+ if (f_color)
+ color_printed = colortype(sp->st_mode);
+#endif
+ (void)printname(p->fts_name);
+#ifdef COLORLS
+ if (f_color && color_printed)
+ endcolor(0);
+#endif
+ if (f_type)
+ (void)printtype(sp->st_mode);
+ if (S_ISLNK(sp->st_mode))
+ printlink(p);
+ (void)putchar('\n');
+ }
+}
+
+void
+printstream(const DISPLAY *dp)
+{
+ FTSENT *p;
+ int chcnt;
+
+ for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
+ if (p->fts_number == NO_PRINT)
+ continue;
+ /* XXX strlen does not take octal escapes into account. */
+ if (strlen(p->fts_name) + chcnt +
+ (p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
+ putchar('\n');
+ chcnt = 0;
+ }
+ chcnt += printaname(p, dp->s_inode, dp->s_block);
+ if (p->fts_link) {
+ printf(", ");
+ chcnt += 2;
+ }
+ }
+ if (chcnt)
+ putchar('\n');
+}
+
+void
+printcol(const DISPLAY *dp)
+{
+ static FTSENT **array;
+ static int lastentries = -1;
+ FTSENT *p;
+ FTSENT **narray;
+ int base;
+ int chcnt;
+ int cnt;
+ int col;
+ int colwidth;
+ int endcol;
+ int num;
+ int numcols;
+ int numrows;
+ int row;
+ int tabwidth;
+
+ if (f_notabs)
+ tabwidth = 1;
+ else
+ tabwidth = 8;
+
+ /*
+ * Have to do random access in the linked list -- build a table
+ * of pointers.
+ */
+ if (dp->entries > lastentries) {
+ if ((narray =
+ realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
+ warn(NULL);
+ printscol(dp);
+ return;
+ }
+ lastentries = dp->entries;
+ array = narray;
+ }
+ for (p = dp->list, num = 0; p; p = p->fts_link)
+ if (p->fts_number != NO_PRINT)
+ array[num++] = p;
+
+ colwidth = dp->maxlen;
+ if (f_inode)
+ colwidth += dp->s_inode + 1;
+ if (f_size)
+ colwidth += dp->s_block + 1;
+ if (f_type)
+ colwidth += 1;
+
+ colwidth = (colwidth + tabwidth) & ~(tabwidth - 1);
+ if (termwidth < 2 * colwidth) {
+ printscol(dp);
+ return;
+ }
+ numcols = termwidth / colwidth;
+ numrows = num / numcols;
+ if (num % numcols)
+ ++numrows;
+
+ if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
+ (f_longform || f_size)) {
+ (void)printf("total %lu\n", howmany(dp->btotal, blocksize));
+ }
+
+ base = 0;
+ for (row = 0; row < numrows; ++row) {
+ endcol = colwidth;
+ if (!f_sortacross)
+ base = row;
+ for (col = 0, chcnt = 0; col < numcols; ++col) {
+ chcnt += printaname(array[base], dp->s_inode,
+ dp->s_block);
+ if (f_sortacross)
+ base++;
+ else
+ base += numrows;
+ if (base >= num)
+ break;
+ while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
+ <= endcol) {
+ if (f_sortacross && col + 1 >= numcols)
+ break;
+ (void)putchar(f_notabs ? ' ' : '\t');
+ chcnt = cnt;
+ }
+ endcol += colwidth;
+ }
+ (void)putchar('\n');
+ }
+}
+
+/*
+ * print [inode] [size] name
+ * return # of characters printed, no trailing characters.
+ */
+static int
+printaname(const FTSENT *p, u_long inodefield, u_long sizefield)
+{
+ struct stat *sp;
+ int chcnt;
+#ifdef COLORLS
+ int color_printed = 0;
+#endif
+
+ sp = p->fts_statp;
+ chcnt = 0;
+ if (f_inode)
+ chcnt += printf("%*ju ",
+ (int)inodefield, (uintmax_t)sp->st_ino);
+ if (f_size)
+ chcnt += printf("%*jd ",
+ (int)sizefield, howmany(sp->st_blocks, blocksize));
+#ifdef COLORLS
+ if (f_color)
+ color_printed = colortype(sp->st_mode);
+#endif
+ chcnt += printname(p->fts_name);
+#ifdef COLORLS
+ if (f_color && color_printed)
+ endcolor(0);
+#endif
+ if (f_type)
+ chcnt += printtype(sp->st_mode);
+ return (chcnt);
+}
+
+/*
+ * Print device special file major and minor numbers.
+ */
+static void
+printdev(size_t width, dev_t dev)
+{
+
+ (void)printf("%#*jx ", (u_int)width, (uintmax_t)dev);
+}
+
+static size_t
+ls_strftime(char *str, size_t len, const char *fmt, const struct tm *tm)
+{
+ char *posb, nfmt[BUFSIZ];
+ const char *format = fmt;
+ size_t ret;
+
+ if ((posb = strstr(fmt, "%b")) != NULL) {
+ if (month_max_size == 0) {
+ compute_abbreviated_month_size();
+ }
+ if (month_max_size > 0) {
+ snprintf(nfmt, sizeof(nfmt), "%.*s%s%*s%s",
+ (int)(posb - fmt), fmt,
+ get_abmon(tm->tm_mon),
+ (int)padding_for_month[tm->tm_mon],
+ "",
+ posb + 2);
+ format = nfmt;
+ }
+ }
+ ret = strftime(str, len, format, tm);
+ return (ret);
+}
+
+static void
+printtime(time_t ftime)
+{
+ char longstring[80];
+ static time_t now = 0;
+ const char *format;
+ static int d_first = -1;
+
+ if (d_first < 0)
+ d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
+ if (now == 0)
+ now = time(NULL);
+
+#define SIXMONTHS ((365 / 2) * 86400)
+ if (f_timeformat) /* user specified format */
+ format = f_timeformat;
+ else if (f_sectime)
+ /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */
+ format = d_first ? "%e %b %T %Y" : "%b %e %T %Y";
+ else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS)
+ /* mmm dd hh:mm || dd mmm hh:mm */
+ format = d_first ? "%e %b %R" : "%b %e %R";
+ else
+ /* mmm dd yyyy || dd mmm yyyy */
+ format = d_first ? "%e %b %Y" : "%b %e %Y";
+ ls_strftime(longstring, sizeof(longstring), format, localtime(&ftime));
+ fputs(longstring, stdout);
+ fputc(' ', stdout);
+}
+
+static int
+printtype(u_int mode)
+{
+
+ if (f_slash) {
+ if ((mode & S_IFMT) == S_IFDIR) {
+ (void)putchar('/');
+ return (1);
+ }
+ return (0);
+ }
+
+ switch (mode & S_IFMT) {
+ case S_IFDIR:
+ (void)putchar('/');
+ return (1);
+ case S_IFIFO:
+ (void)putchar('|');
+ return (1);
+ case S_IFLNK:
+ (void)putchar('@');
+ return (1);
+ case S_IFSOCK:
+ (void)putchar('=');
+ return (1);
+ case S_IFWHT:
+ (void)putchar('%');
+ return (1);
+ default:
+ break;
+ }
+ if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
+ (void)putchar('*');
+ return (1);
+ }
+ return (0);
+}
+
+#ifdef COLORLS
+static int
+putch(int c)
+{
+ (void)putchar(c);
+ return 0;
+}
+
+static int
+writech(int c)
+{
+ char tmp = (char)c;
+
+ (void)write(STDOUT_FILENO, &tmp, 1);
+ return 0;
+}
+
+static void
+printcolor_termcap(Colors c)
+{
+ char *ansiseq;
+
+ if (colors[c].bold)
+ tputs(enter_bold, 1, putch);
+
+ if (colors[c].num[0] != -1) {
+ ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
+ if (ansiseq)
+ tputs(ansiseq, 1, putch);
+ }
+ if (colors[c].num[1] != -1) {
+ ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]);
+ if (ansiseq)
+ tputs(ansiseq, 1, putch);
+ }
+}
+
+static void
+printcolor_ansi(Colors c)
+{
+
+ printf("\033[");
+
+ if (colors[c].bold)
+ printf("1");
+ if (colors[c].num[0] != -1)
+ printf(";3%d", colors[c].num[0]);
+ if (colors[c].num[1] != -1)
+ printf(";4%d", colors[c].num[1]);
+ printf("m");
+}
+
+static void
+printcolor(Colors c)
+{
+
+ if (explicitansi)
+ printcolor_ansi(c);
+ else
+ printcolor_termcap(c);
+}
+
+static void
+endcolor_termcap(int sig)
+{
+
+ tputs(ansi_coloff, 1, sig ? writech : putch);
+ tputs(attrs_off, 1, sig ? writech : putch);
+}
+
+static void
+endcolor_ansi(void)
+{
+
+ printf("\33[m");
+}
+
+static void
+endcolor(int sig)
+{
+
+ if (explicitansi)
+ endcolor_ansi();
+ else
+ endcolor_termcap(sig);
+}
+
+static int
+colortype(mode_t mode)
+{
+ switch (mode & S_IFMT) {
+ case S_IFDIR:
+ if (mode & S_IWOTH)
+ if (mode & S_ISTXT)
+ printcolor(C_WSDIR);
+ else
+ printcolor(C_WDIR);
+ else
+ printcolor(C_DIR);
+ return (1);
+ case S_IFLNK:
+ printcolor(C_LNK);
+ return (1);
+ case S_IFSOCK:
+ printcolor(C_SOCK);
+ return (1);
+ case S_IFIFO:
+ printcolor(C_FIFO);
+ return (1);
+ case S_IFBLK:
+ printcolor(C_BLK);
+ return (1);
+ case S_IFCHR:
+ printcolor(C_CHR);
+ return (1);
+ default:;
+ }
+ if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
+ if (mode & S_ISUID)
+ printcolor(C_SUID);
+ else if (mode & S_ISGID)
+ printcolor(C_SGID);
+ else
+ printcolor(C_EXEC);
+ return (1);
+ }
+ return (0);
+}
+
+void
+parsecolors(const char *cs)
+{
+ int i;
+ int j;
+ size_t len;
+ char c[2];
+ short legacy_warn = 0;
+
+ if (cs == NULL)
+ cs = ""; /* LSCOLORS not set */
+ len = strlen(cs);
+ for (i = 0; i < (int)C_NUMCOLORS; i++) {
+ colors[i].bold = 0;
+
+ if (len <= 2 * (size_t)i) {
+ c[0] = defcolors[2 * i];
+ c[1] = defcolors[2 * i + 1];
+ } else {
+ c[0] = cs[2 * i];
+ c[1] = cs[2 * i + 1];
+ }
+ for (j = 0; j < 2; j++) {
+ /* Legacy colours used 0-7 */
+ if (c[j] >= '0' && c[j] <= '7') {
+ colors[i].num[j] = c[j] - '0';
+ if (!legacy_warn) {
+ warnx("LSCOLORS should use "
+ "characters a-h instead of 0-9 ("
+ "see the manual page)");
+ }
+ legacy_warn = 1;
+ } else if (c[j] >= 'a' && c[j] <= 'h')
+ colors[i].num[j] = c[j] - 'a';
+ else if (c[j] >= 'A' && c[j] <= 'H') {
+ colors[i].num[j] = c[j] - 'A';
+ colors[i].bold = 1;
+ } else if (tolower((unsigned char)c[j]) == 'x')
+ colors[i].num[j] = -1;
+ else {
+ warnx("invalid character '%c' in LSCOLORS"
+ " env var", c[j]);
+ colors[i].num[j] = -1;
+ }
+ }
+ }
+}
+
+void
+colorquit(int sig)
+{
+ endcolor(sig);
+
+ (void)signal(sig, SIG_DFL);
+ (void)kill(getpid(), sig);
+}
+
+#endif /* COLORLS */
+
+static void
+printlink(const FTSENT *p)
+{
+ int lnklen;
+ char name[MAXPATHLEN + 1];
+ char path[MAXPATHLEN + 1];
+
+ if (p->fts_level == FTS_ROOTLEVEL)
+ (void)snprintf(name, sizeof(name), "%s", p->fts_name);
+ else
+ (void)snprintf(name, sizeof(name),
+ "%s/%s", p->fts_parent->fts_accpath, p->fts_name);
+ if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
+ (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
+ return;
+ }
+ path[lnklen] = '\0';
+ (void)printf(" -> ");
+ (void)printname(path);
+}
+
+static void
+printsize(size_t width, off_t bytes)
+{
+
+ if (f_humanval) {
+ /*
+ * Reserve one space before the size and allocate room for
+ * the trailing '\0'.
+ */
+ char buf[HUMANVALSTR_LEN - 1 + 1];
+
+ humanize_number(buf, sizeof(buf), (int64_t)bytes, "",
+ HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
+ (void)printf("%*s ", (u_int)width, buf);
+ } else if (f_thousands) { /* with commas */
+ /* This format assignment needed to work round gcc bug. */
+ const char *format = "%*j'd ";
+ (void)printf(format, (u_int)width, bytes);
+ } else
+ (void)printf("%*jd ", (u_int)width, bytes);
+}
+
+/*
+ * Add a + after the standard rwxrwxrwx mode if the file has an
+ * ACL. strmode() reserves space at the end of the string.
+ */
+static void
+aclmode(char *buf, const FTSENT *p)
+{
+ char name[MAXPATHLEN + 1];
+ int ret, trivial;
+ static dev_t previous_dev = NODEV;
+ static int supports_acls = -1;
+ static int type = ACL_TYPE_ACCESS;
+ acl_t facl;
+
+ /*
+ * XXX: ACLs are not supported on whiteouts and device files
+ * residing on UFS.
+ */
+ if (S_ISCHR(p->fts_statp->st_mode) || S_ISBLK(p->fts_statp->st_mode) ||
+ S_ISWHT(p->fts_statp->st_mode))
+ return;
+
+ if (previous_dev == p->fts_statp->st_dev && supports_acls == 0)
+ return;
+
+ if (p->fts_level == FTS_ROOTLEVEL)
+ snprintf(name, sizeof(name), "%s", p->fts_name);
+ else
+ snprintf(name, sizeof(name), "%s/%s",
+ p->fts_parent->fts_accpath, p->fts_name);
+
+ if (previous_dev != p->fts_statp->st_dev) {
+ previous_dev = p->fts_statp->st_dev;
+ supports_acls = 0;
+
+ ret = lpathconf(name, _PC_ACL_NFS4);
+ if (ret > 0) {
+ type = ACL_TYPE_NFS4;
+ supports_acls = 1;
+ } else if (ret < 0 && errno != EINVAL) {
+ warn("%s", name);
+ return;
+ }
+ if (supports_acls == 0) {
+ ret = lpathconf(name, _PC_ACL_EXTENDED);
+ if (ret > 0) {
+ type = ACL_TYPE_ACCESS;
+ supports_acls = 1;
+ } else if (ret < 0 && errno != EINVAL) {
+ warn("%s", name);
+ return;
+ }
+ }
+ }
+ if (supports_acls == 0)
+ return;
+ facl = acl_get_link_np(name, type);
+ if (facl == NULL) {
+ warn("%s", name);
+ return;
+ }
+ if (acl_is_trivial_np(facl, &trivial)) {
+ acl_free(facl);
+ warn("%s", name);
+ return;
+ }
+ if (!trivial)
+ buf[10] = '+';
+ acl_free(facl);
+}