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author | 2021-05-09 14:20:58 -0400 | |
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committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /file_cmds/ls/ls.c | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'file_cmds/ls/ls.c')
-rw-r--r-- | file_cmds/ls/ls.c | 977 |
1 files changed, 977 insertions, 0 deletions
diff --git a/file_cmds/ls/ls.c b/file_cmds/ls/ls.c new file mode 100644 index 0000000..e079333 --- /dev/null +++ b/file_cmds/ls/ls.c @@ -0,0 +1,977 @@ +/* + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +__used static const char copyright[] = +"@(#) Copyright (c) 1989, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94"; +#endif /* not lint */ +#endif +#include <sys/cdefs.h> +__RCSID("$FreeBSD: src/bin/ls/ls.c,v 1.66 2002/09/21 01:28:36 wollman Exp $"); + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> + +#include <dirent.h> +#include <err.h> +#include <errno.h> +#include <fts.h> +#include <grp.h> +#include <limits.h> +#include <locale.h> +#include <pwd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#ifdef COLORLS +#include <termcap.h> +#include <signal.h> +#endif +#ifdef __APPLE__ +#include <sys/acl.h> +#include <sys/xattr.h> +#include <sys/param.h> +#include <get_compat.h> +#include <sys/sysctl.h> +#include <System/sys/fsctl.h> +#else +#define COMPAT_MODE(a,b) (1) +#endif /* __APPLE__ */ +#include "ls.h" +#include "extern.h" + +/* + * Upward approximation of the maximum number of characters needed to + * represent a value of integral type t as a string, excluding the + * NUL terminator, with provision for a sign. + */ +#define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) + +#define IS_DATALESS(sp) (f_dataless && (sp) && ((sp)->st_flags & SF_DATALESS)) + +static void display(FTSENT *, FTSENT *); +static u_quad_t makenines(u_quad_t); +static int mastercmp(const FTSENT **, const FTSENT **); +static void traverse(int, char **, int); + +static void (*printfcn)(DISPLAY *); +static int (*sortfcn)(const FTSENT *, const FTSENT *); + +long blocksize; /* block size units */ +int termwidth = 80; /* default terminal width */ + +/* flags */ + int f_accesstime; /* use time of last access */ + int f_birthtime; /* use time of file birth */ + int f_flags; /* show flags associated with a file */ + int f_humanval; /* show human-readable file sizes */ + int f_inode; /* print inode */ +static int f_kblocks; /* print size in kilobytes */ +static int f_listdir; /* list actual directory, not contents */ +static int f_listdot; /* list files beginning with . */ + int f_longform; /* long listing format */ + int f_nonprint; /* show unprintables as ? */ +static int f_nosort; /* don't sort output */ + int f_notabs; /* don't use tab-separated multi-col output */ + int f_numericonly; /* don't convert uid/gid to name */ + int f_octal; /* show unprintables as \xxx */ + int f_octal_escape; /* like f_octal but use C escapes if possible */ +static int f_recursive; /* ls subdirectories also */ +static int f_reversesort; /* reverse whatever sort is used */ + int f_sectime; /* print the real time for all files */ +static int f_singlecol; /* use single column output */ + int f_size; /* list size in short listing */ + int f_slash; /* similar to f_type, but only for dirs */ + int f_sortacross; /* sort across rows, not down columns */ + int f_statustime; /* use time of last mode change */ + int f_stream; /* stream the output, separate with commas */ +static int f_timesort; /* sort by time vice name */ +static int f_sizesort; /* sort by size */ + int f_type; /* add type character for non-regular files */ +static int f_whiteout; /* show whiteout entries */ + int f_acl; /* show ACLs in long listing */ + int f_xattr; /* show extended attributes in long listing */ + int f_group; /* show group */ + int f_owner; /* show owner */ + int f_dataless; /* distinguish dataless files in long listing, + and don't materialize dataless directories. */ +#ifdef COLORLS + int f_color; /* add type in color for non-regular files */ + +char *ansi_bgcol; /* ANSI sequence to set background colour */ +char *ansi_fgcol; /* ANSI sequence to set foreground colour */ +char *ansi_coloff; /* ANSI sequence to reset colours */ +char *attrs_off; /* ANSI sequence to turn off attributes */ +char *enter_bold; /* ANSI sequence to set color to bold mode */ +#endif + +static int rval; + +int +main(int argc, char *argv[]) +{ + static char dot[] = ".", *dotav[] = {dot, NULL}; + struct winsize win; + int ch, fts_options, notused; + char *p; +#ifdef COLORLS + char termcapbuf[1024]; /* termcap definition buffer */ + char tcapbuf[512]; /* capability buffer */ + char *bp = tcapbuf; +#endif + + if (argc < 1) + usage(); + (void)setlocale(LC_ALL, ""); + + /* Terminal defaults to -Cq, non-terminal defaults to -1. */ + if (isatty(STDOUT_FILENO)) { + termwidth = 80; + if ((p = getenv("COLUMNS")) != NULL && *p != '\0') + termwidth = atoi(p); + else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && + win.ws_col > 0) + termwidth = win.ws_col; + f_nonprint = 1; + } else { + f_singlecol = 1; + /* retrieve environment variable, in case of explicit -C */ + p = getenv("COLUMNS"); + if (p) + termwidth = atoi(p); + } + + /* Root is -A automatically. */ + if (!getuid()) + f_listdot = 1; + + fts_options = FTS_PHYSICAL; + while ((ch = getopt(argc, argv, "1@ABCFGHLOPRSTUWabcdefghiklmnopqrstuvwx%")) + != -1) { + switch (ch) { + /* + * The -1, -C, -x and -l options all override each other so + * shell aliasing works right. + */ + case '1': + f_singlecol = 1; + f_longform = 0; + f_stream = 0; + break; + case 'B': + f_nonprint = 0; + f_octal = 1; + f_octal_escape = 0; + break; + case 'C': + f_sortacross = f_longform = f_singlecol = 0; + break; + case 'l': + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + break; + case 'x': + f_sortacross = 1; + f_longform = 0; + f_singlecol = 0; + break; + /* The -c and -u options override each other. */ + case 'c': + f_statustime = 1; + f_accesstime = f_birthtime = 0; + break; + case 'u': + f_accesstime = 1; + f_statustime = f_birthtime = 0; + break; + case 'U': + f_birthtime = 1; + f_statustime = f_accesstime = 0; + break; + case 'F': + f_type = 1; + f_slash = 0; + break; + case 'H': + if (COMPAT_MODE("bin/ls", "Unix2003")) { + fts_options &= ~FTS_LOGICAL; + fts_options |= FTS_PHYSICAL; + fts_options |= FTS_COMFOLLOWDIR; + } else + fts_options |= FTS_COMFOLLOW; + break; + case 'G': + setenv("CLICOLOR", "", 1); + break; + case 'L': + fts_options &= ~FTS_PHYSICAL; + fts_options |= FTS_LOGICAL; + if (COMPAT_MODE("bin/ls", "Unix2003")) { + fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR); + } + break; + case 'P': + fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR); + fts_options &= ~FTS_LOGICAL; + fts_options |= FTS_PHYSICAL; + break; + case 'R': + f_recursive = 1; + break; + case 'a': + fts_options |= FTS_SEEDOT; + /* FALLTHROUGH */ + case 'A': + f_listdot = 1; + break; + /* The -d option turns off the -R option. */ + case 'd': + f_listdir = 1; + f_recursive = 0; + break; + case 'f': + f_nosort = 1; + if (COMPAT_MODE("bin/ls", "Unix2003")) { + fts_options |= FTS_SEEDOT; + f_listdot = 1; + } + break; + case 'g': /* Compatibility with Unix03 */ + if (COMPAT_MODE("bin/ls", "Unix2003")) { + f_group = 1; + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + } + break; + case 'h': + f_humanval = 1; + break; + case 'i': + f_inode = 1; + break; + case 'k': + f_kblocks = 1; + break; + case 'm': + f_stream = 1; + f_singlecol = 0; + f_longform = 0; + break; + case 'n': + f_numericonly = 1; + if (COMPAT_MODE("bin/ls", "Unix2003")) { + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + } + break; + case 'o': + if (COMPAT_MODE("bin/ls", "Unix2003")) { + f_owner = 1; + f_longform = 1; + f_singlecol = 0; + f_stream = 0; + } else { + f_flags = 1; + } + break; + case 'p': + f_slash = 1; + f_type = 1; + break; + case 'q': + f_nonprint = 1; + f_octal = 0; + f_octal_escape = 0; + break; + case 'r': + f_reversesort = 1; + break; + case 'S': + /* Darwin 1.4.1 compatibility */ + f_sizesort = 1; + break; + case 's': + f_size = 1; + break; + case 'T': + f_sectime = 1; + break; + case 't': + f_timesort = 1; + break; + case 'W': + f_whiteout = 1; + break; + case 'v': + /* Darwin 1.4.1 compatibility */ + f_nonprint = 0; + break; + case 'b': + f_nonprint = 0; + f_octal = 0; + f_octal_escape = 1; + break; + case 'w': + f_nonprint = 0; + f_octal = 0; + f_octal_escape = 0; + break; + case 'e': + f_acl = 1; + break; + case '@': + f_xattr = 1; + break; + case 'O': + f_flags = 1; + break; + case '%': + f_dataless = 1; + break; + default: + case '?': + usage(); + } + } + argc -= optind; + argv += optind; + + /* Enabling of colours is conditional on the environment. */ + if (getenv("CLICOLOR") && + (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) +#ifdef COLORLS + if (tgetent(termcapbuf, getenv("TERM")) == 1) { + ansi_fgcol = tgetstr("AF", &bp); + ansi_bgcol = tgetstr("AB", &bp); + attrs_off = tgetstr("me", &bp); + enter_bold = tgetstr("md", &bp); + + /* To switch colours off use 'op' if + * available, otherwise use 'oc', or + * don't do colours at all. */ + ansi_coloff = tgetstr("op", &bp); + if (!ansi_coloff) + ansi_coloff = tgetstr("oc", &bp); + if (ansi_fgcol && ansi_bgcol && ansi_coloff) + f_color = 1; + } +#else + (void)fprintf(stderr, "Color support not compiled in.\n"); +#endif /*COLORLS*/ + +#ifdef COLORLS + if (f_color) { + /* + * We can't put tabs and color sequences together: + * column number will be incremented incorrectly + * for "stty oxtabs" mode. + */ + f_notabs = 1; + (void)signal(SIGINT, colorquit); + (void)signal(SIGQUIT, colorquit); + parsecolors(getenv("LSCOLORS")); + } +#endif + + /* + * If not -F, -i, -l, -s, -t or -% options, don't require stat + * information, unless in color mode in which case we do + * need this to determine which colors to display. + */ + if (!f_inode && !f_longform && !f_size && !f_timesort && !f_type && !f_sizesort && !f_dataless +#ifdef COLORLS + && !f_color +#endif + ) + fts_options |= FTS_NOSTAT; + + /* + * If not -F, -d or -l options, follow any symbolic links listed on + * the command line. + */ + if (!f_longform && !f_listdir && !f_type && !f_inode) + fts_options |= FTS_COMFOLLOW; + + /* + * If -W, show whiteout entries + */ +#ifdef FTS_WHITEOUT + if (f_whiteout) + fts_options |= FTS_WHITEOUT; +#endif + + /* If -l or -s, figure out block size. */ + if (f_longform || f_size) { + if (f_kblocks) + blocksize = 2; + else { + (void)getbsize(¬used, &blocksize); + blocksize /= 512; + } + } + /* Select a sort function. */ + if (f_reversesort) { + if (f_sizesort) + sortfcn = revsizecmp; + else if (!f_timesort) + sortfcn = revnamecmp; + else if (f_accesstime) + sortfcn = revacccmp; + else if (f_statustime) + sortfcn = revstatcmp; + else if (f_birthtime) + sortfcn = revbirthcmp; + else /* Use modification time. */ + sortfcn = revmodcmp; + } else { + if (f_sizesort) + sortfcn = sizecmp; + else if (!f_timesort) + sortfcn = namecmp; + else if (f_accesstime) + sortfcn = acccmp; + else if (f_statustime) + sortfcn = statcmp; + else if (f_birthtime) + sortfcn = birthcmp; + else /* Use modification time. */ + sortfcn = modcmp; + } + + /* Select a print function. */ + if (f_singlecol) + printfcn = printscol; + else if (f_longform) + printfcn = printlong; + else if (f_stream) + printfcn = printstream; + else + printfcn = printcol; + +#ifdef __APPLE__ + if (f_dataless) { + // don't materialize dataless directories from the cloud + // (particularly usefull when listing recursively) + int state = 1; + if (sysctlbyname("vfs.nspace.prevent_materialization", NULL, NULL, &state, sizeof(state)) < 0) { + err(1, "prevent_materialization"); + } + } +#endif /* __APPLE__ */ + + if (argc) + traverse(argc, argv, fts_options); + else + traverse(1, dotav, fts_options); + exit(rval); +} + +static int output; /* If anything output. */ + +/* + * Traverse() walks the logical directory structure specified by the argv list + * in the order specified by the mastercmp() comparison function. During the + * traversal it passes linked lists of structures to display() which represent + * a superset (may be exact set) of the files to be displayed. + */ +static void +traverse(int argc, char *argv[], int options) +{ + FTS *ftsp; + FTSENT *p, *chp; + int ch_options, error; + + if ((ftsp = + fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) + err(1, "fts_open"); + + display(NULL, fts_children(ftsp, 0)); + if (f_listdir) { + fts_close(ftsp); + return; + } + + /* + * If not recursing down this tree and don't need stat info, just get + * the names. + */ + ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; + + while ((p = fts_read(ftsp)) != NULL) + switch (p->fts_info) { + case FTS_DC: + warnx("%s: directory causes a cycle", p->fts_name); + if (COMPAT_MODE("bin/ls", "Unix2003")) { + rval = 1; + } + break; + case FTS_DNR: + case FTS_ERR: + warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); + rval = 1; + break; + case FTS_D: + if (p->fts_level != FTS_ROOTLEVEL && + p->fts_name[0] == '.' && !f_listdot) { + fts_set(ftsp, p, FTS_SKIP); + break; + } + + if (IS_DATALESS(p->fts_statp)) { + fts_set(ftsp, p, FTS_SKIP); + break; + } + + /* + * If already output something, put out a newline as + * a separator. If multiple arguments, precede each + * directory with its name. + */ + if (output) + (void)printf("\n%s:\n", p->fts_path); + else if (argc > 1) { + (void)printf("%s:\n", p->fts_path); + output = 1; + } + chp = fts_children(ftsp, ch_options); + if (COMPAT_MODE("bin/ls", "Unix2003") && ((options & FTS_LOGICAL)!=0)) { + FTSENT *curr; + for (curr = chp; curr; curr = curr->fts_link) { + if (curr->fts_info == FTS_SLNONE) + curr->fts_number = NO_PRINT; + } + } + display(p, chp); + + if (!f_recursive && chp != NULL) + (void)fts_set(ftsp, p, FTS_SKIP); + break; + case FTS_SLNONE: /* Same as default unless Unix conformance */ + if (COMPAT_MODE("bin/ls", "Unix2003")) { + if ((options & FTS_LOGICAL)!=0) { /* -L was specified */ + warnx("%s: %s", p->fts_name, strerror(p->fts_errno ?: ENOENT)); + rval = 1; + } + } + break; + default: + break; + } + error = errno; + fts_close(ftsp); + errno = error; + + if (errno) + err(1, "fts_read"); +} + +/* + * Display() takes a linked list of FTSENT structures and passes the list + * along with any other necessary information to the print function. P + * points to the parent directory of the display list. + */ +static void +display(FTSENT *p, FTSENT *list) +{ + struct stat *sp; + DISPLAY d; + FTSENT *cur; + NAMES *np; + off_t maxsize; + u_int64_t btotal, maxblock; + u_long lattrlen, maxlen, maxnlink, maxlattr; + ino_t maxinode; + int bcfile, maxflags; + gid_t maxgroup; + uid_t maxuser; + size_t flen, ulen, glen; + char *initmax; + int entries, needstats; + const char *user, *group; + char *flags, *lattr = NULL; + char buf[STRBUF_SIZEOF(u_quad_t) + 1]; + char ngroup[STRBUF_SIZEOF(uid_t) + 1]; + char nuser[STRBUF_SIZEOF(gid_t) + 1]; +#ifdef __APPLE__ + acl_entry_t dummy; + ssize_t xattr_size; + char *filename; + char path[MAXPATHLEN+1]; +#endif // __APPLE__ + /* + * If list is NULL there are two possibilities: that the parent + * directory p has no children, or that fts_children() returned an + * error. We ignore the error case since it will be replicated + * on the next call to fts_read() on the post-order visit to the + * directory p, and will be signaled in traverse(). + */ + if (list == NULL) + return; + + needstats = f_inode || f_longform || f_size; + btotal = 0; + initmax = getenv("LS_COLWIDTHS"); + /* Fields match -lios order. New ones should be added at the end. */ + maxlattr = maxblock = maxinode = maxlen = maxnlink = + maxuser = maxgroup = maxflags = maxsize = 0; + if (initmax != NULL && *initmax != '\0') { + char *initmax2, *jinitmax; + int ninitmax; + + /* Fill-in "::" as "0:0:0" for the sake of scanf. */ + jinitmax = initmax2 = malloc(strlen(initmax) * 2 + 2); + if (jinitmax == NULL) + err(1, "malloc"); + if (*initmax == ':') + strcpy(initmax2, "0:"), initmax2 += 2; + else + *initmax2++ = *initmax, *initmax2 = '\0'; + for (initmax++; *initmax != '\0'; initmax++) { + if (initmax[-1] == ':' && initmax[0] == ':') { + *initmax2++ = '0'; + *initmax2++ = initmax[0]; + initmax2[1] = '\0'; + } else { + *initmax2++ = initmax[0]; + initmax2[1] = '\0'; + } + } + if (initmax2[-1] == ':') + strcpy(initmax2, "0"); + + ninitmax = sscanf(jinitmax, +#if _DARWIN_FEATURE_64_BIT_INODE + " %llu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ", +#else + " %lu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ", +#endif + &maxinode, &maxblock, &maxnlink, &maxuser, + &maxgroup, &maxflags, &maxsize, &maxlen, &maxlattr); + f_notabs = 1; + switch (ninitmax) { + case 0: + maxinode = 0; + /* FALLTHROUGH */ + case 1: + maxblock = 0; + /* FALLTHROUGH */ + case 2: + maxnlink = 0; + /* FALLTHROUGH */ + case 3: + maxuser = 0; + /* FALLTHROUGH */ + case 4: + maxgroup = 0; + /* FALLTHROUGH */ + case 5: + maxflags = 0; + /* FALLTHROUGH */ + case 6: + maxsize = 0; + /* FALLTHROUGH */ + case 7: + maxlen = 0; + /* FALLTHROUGH */ + case 8: + maxlattr = 0; + /* FALLTHROUGH */ +#ifdef COLORLS + if (!f_color) +#endif + f_notabs = 0; + /* FALLTHROUGH */ + default: + break; + } + maxinode = makenines(maxinode); + maxblock = makenines(maxblock); + maxnlink = makenines(maxnlink); + maxsize = makenines(maxsize); + } + bcfile = 0; + flags = NULL; + for (cur = list, entries = 0; cur; cur = cur->fts_link) { + if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { + warnx("%s: %s", + cur->fts_name, strerror(cur->fts_errno)); + cur->fts_number = NO_PRINT; + rval = 1; + continue; + } + /* + * P is NULL if list is the argv list, to which different rules + * apply. + */ + if (p == NULL) { + /* Directories will be displayed later. */ + if (cur->fts_info == FTS_D && !f_listdir) { + cur->fts_number = NO_PRINT; + continue; + } + } else { + /* Only display dot file if -a/-A set. */ + if (cur->fts_name[0] == '.' && !f_listdot) { + cur->fts_number = NO_PRINT; + continue; + } + } + if (cur->fts_namelen > maxlen) + maxlen = cur->fts_namelen; + if (f_octal || f_octal_escape) { + u_long t = len_octal(cur->fts_name, cur->fts_namelen); + + if (t > maxlen) + maxlen = t; + } + if (needstats) { + sp = cur->fts_statp; + if (sp->st_blocks > maxblock) + maxblock = sp->st_blocks; + if (sp->st_ino > maxinode) + maxinode = sp->st_ino; + if (sp->st_nlink > maxnlink) + maxnlink = sp->st_nlink; + if (sp->st_size > maxsize) + maxsize = sp->st_size; + + btotal += sp->st_blocks; + if (f_longform) { + if (f_numericonly) { + (void)snprintf(nuser, sizeof(nuser), + "%u", sp->st_uid); + (void)snprintf(ngroup, sizeof(ngroup), + "%u", sp->st_gid); + user = nuser; + group = ngroup; + } else { + user = user_from_uid(sp->st_uid, 0); + group = group_from_gid(sp->st_gid, 0); + } + if ((ulen = strlen(user)) > maxuser) + maxuser = ulen; + if ((glen = strlen(group)) > maxgroup) + maxgroup = glen; + if (f_flags) { + flags = fflagstostr(sp->st_flags); + if (flags != NULL && *flags == '\0') { + free(flags); + flags = strdup("-"); + } + if (flags == NULL) + err(1, "fflagstostr"); + flen = strlen(flags); + if (flen > (size_t)maxflags) + maxflags = flen; + } else + flen = 0; + lattr = NULL; + lattrlen = 0; + + if ((np = calloc(1, sizeof(NAMES) + lattrlen + + ulen + glen + flen + 4)) == NULL) + err(1, "malloc"); + + np->user = &np->data[0]; + (void)strcpy(np->user, user); + np->group = &np->data[ulen + 1]; + (void)strcpy(np->group, group); +#ifdef __APPLE__ + if (cur->fts_level == FTS_ROOTLEVEL) { + filename = cur->fts_name; + } else { + snprintf(path, sizeof(path), "%s/%s", cur->fts_parent->fts_accpath, cur->fts_name); + filename = path; + } + xattr_size = listxattr(filename, NULL, 0, XATTR_NOFOLLOW); + if (xattr_size < 0) { + xattr_size = 0; + } + if ((xattr_size > 0) && f_xattr) { + /* collect sizes */ + np->xattr_names = malloc(xattr_size); + listxattr(filename, np->xattr_names, xattr_size, XATTR_NOFOLLOW); + for (char *name = np->xattr_names; name < np->xattr_names + xattr_size; + name += strlen(name)+1) { + np->xattr_sizes = reallocf(np->xattr_sizes, (np->xattr_count+1) * sizeof(np->xattr_sizes[0])); + np->xattr_sizes[np->xattr_count] = getxattr(filename, name, 0, 0, 0, XATTR_NOFOLLOW); + np->xattr_count++; + } + } + /* symlinks can not have ACLs */ + np->acl = acl_get_link_np(filename, ACL_TYPE_EXTENDED); + if (np->acl) { + if (acl_get_entry(np->acl, ACL_FIRST_ENTRY, &dummy) == -1) { + acl_free(np->acl); + np->acl = NULL; + } + } + if (xattr_size > 0) { + np->mode_suffix = '@'; + } else if (np->acl) { + np->mode_suffix = '+'; + } else { + np->mode_suffix = ' '; + } + if (IS_DATALESS(sp)) { + np->mode_suffix = '%'; + } + if (!f_acl) { + acl_free(np->acl); + np->acl = NULL; + } +#endif // __APPLE__ + if (S_ISCHR(sp->st_mode) || + S_ISBLK(sp->st_mode)) + bcfile = 1; + + if (f_flags) { + np->flags = &np->data[ulen + glen + 2]; + (void)strcpy(np->flags, flags); + free(flags); + } + cur->fts_pointer = np; + } + } + ++entries; + } + + if (!entries) + return; + + d.list = list; + d.entries = entries; + d.maxlen = maxlen; + if (needstats) { + d.bcfile = bcfile; + d.btotal = btotal; + (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxblock); + d.s_block = strlen(buf); + d.s_flags = maxflags; + d.s_lattr = maxlattr; + d.s_group = maxgroup; +#if _DARWIN_FEATURE_64_BIT_INODE + (void)snprintf(buf, sizeof(buf), "%llu", maxinode); +#else + (void)snprintf(buf, sizeof(buf), "%lu", maxinode); +#endif + d.s_inode = strlen(buf); + (void)snprintf(buf, sizeof(buf), "%lu", maxnlink); + d.s_nlink = strlen(buf); + (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxsize); + d.s_size = strlen(buf); + d.s_user = maxuser; + } + printfcn(&d); + output = 1; + + if (f_longform) { + for (cur = list; cur; cur = cur->fts_link) { + np = cur->fts_pointer; + if (np) { + if (np->acl) { + acl_free(np->acl); + } + free(np->xattr_names); + free(np->xattr_sizes); + free(np); + cur->fts_pointer = NULL; + } + } + } +} + +/* + * Ordering for mastercmp: + * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories + * as larger than directories. Within either group, use the sort function. + * All other levels use the sort function. Error entries remain unsorted. + */ +static int +mastercmp(const FTSENT **a, const FTSENT **b) +{ + int a_info, b_info; + + a_info = (*a)->fts_info; + if (a_info == FTS_ERR) + return (0); + b_info = (*b)->fts_info; + if (b_info == FTS_ERR) + return (0); + + if (a_info == FTS_NS || b_info == FTS_NS) + return (namecmp(*a, *b)); + + if (a_info != b_info && + (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { + if (a_info == FTS_D) + return (1); + if (b_info == FTS_D) + return (-1); + } + return (sortfcn(*a, *b)); +} + +/* + * Makenines() returns (10**n)-1. This is useful for converting a width + * into a number that wide in decimal. + */ +static u_quad_t +makenines(u_quad_t n) +{ + u_long i; + u_quad_t reg; + + reg = 1; + /* Use a loop instead of pow(), since all values of n are small. */ + for (i = 0; i < n; i++) + reg *= 10; + reg--; + + return reg; +} |