diff options
Diffstat (limited to 'bin/ls/ls.c')
-rw-r--r-- | bin/ls/ls.c | 933 |
1 files changed, 933 insertions, 0 deletions
diff --git a/bin/ls/ls.c b/bin/ls/ls.c new file mode 100644 index 000000000000..91ef9ea4e15a --- /dev/null +++ b/bin/ls/ls.c @@ -0,0 +1,933 @@ +/*- + * 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. + * 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. + */ + +#ifndef lint +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> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/mac.h> + +#include <dirent.h> +#include <err.h> +#include <errno.h> +#include <fts.h> +#include <grp.h> +#include <inttypes.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 +#include <libxo/xo.h> + +#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) + +/* + * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width + * into a number that wide in decimal. + * XXX: Overflows are not considered. + */ +#define MAKENINES(n) \ + do { \ + intmax_t i; \ + \ + /* Use a loop as all values of n are small. */ \ + for (i = 1; n > 0; i *= 10) \ + n--; \ + n = i - 1; \ + } while(0) + +static void display(const FTSENT *, FTSENT *, int); +static int mastercmp(const FTSENT * const *, const FTSENT * const *); +static void traverse(int, char **, int); + +static void (*printfcn)(const 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 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 */ + int f_label; /* show MAC label */ +static int f_listdir; /* list actual directory, not contents */ +static int f_listdot; /* list files beginning with . */ + int f_longform; /* long listing format */ +static int f_noautodot; /* do not automatically enable -A for root */ +static int f_nofollow; /* don't follow symbolic link arguments */ + 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_samesort; /* sort time and name in same direction */ + int f_sectime; /* print full time information */ +static int f_singlecol; /* use single column output */ + int f_size; /* list size in short listing */ +static int f_sizesort; + 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 */ +static int f_stream; /* stream the output, separate with commas */ + int f_thousands; /* show file sizes with thousands separators */ + char *f_timeformat; /* user-specified time format */ +static int f_timesort; /* sort by time vice name */ + int f_type; /* add type character for non-regular files */ +static int f_whiteout; /* show whiteout entries */ + +#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; + const char *errstr = NULL; +#ifdef COLORLS + char termcapbuf[1024]; /* termcap definition buffer */ + char tcapbuf[512]; /* capability buffer */ + char *bp = tcapbuf; +#endif + + (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 = strtonum(p, 0, INT_MAX, &errstr); + 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 = strtonum(p, 0, INT_MAX, &errstr); + } + + if (errstr) + termwidth = 80; + + fts_options = FTS_PHYSICAL; + if (getenv("LS_SAMESORT")) + f_samesort = 1; + + argc = xo_parse_args(argc, argv); + if (argc < 0) + return (1); + xo_set_flags(NULL, XOF_COLUMNS); + xo_set_version(LS_XO_VERSION); + + while ((ch = getopt(argc, argv, + "1ABCD:FGHILPRSTUWXZabcdfghiklmnopqrstuwxy,")) != -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 '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, -u, and -U options override each other. */ + case 'c': + f_statustime = 1; + f_accesstime = 0; + f_birthtime = 0; + break; + case 'u': + f_accesstime = 1; + f_statustime = 0; + f_birthtime = 0; + break; + case 'U': + f_birthtime = 1; + f_accesstime = 0; + f_statustime = 0; + break; + case 'f': + f_nosort = 1; + /* FALLTHROUGH */ + case 'a': + fts_options |= FTS_SEEDOT; + /* FALLTHROUGH */ + case 'A': + f_listdot = 1; + break; + /* The -t and -S options override each other. */ + case 'S': + f_sizesort = 1; + f_timesort = 0; + break; + case 't': + f_timesort = 1; + f_sizesort = 0; + break; + /* Other flags. Please keep alphabetic. */ + case ',': + f_thousands = 1; + break; + case 'B': + f_nonprint = 0; + f_octal = 1; + f_octal_escape = 0; + break; + case 'D': + f_timeformat = optarg; + break; + case 'F': + f_type = 1; + f_slash = 0; + break; + case 'G': + setenv("CLICOLOR", "", 1); + break; + case 'H': + fts_options |= FTS_COMFOLLOW; + f_nofollow = 0; + break; + case 'I': + f_noautodot = 1; + break; + case 'L': + fts_options &= ~FTS_PHYSICAL; + fts_options |= FTS_LOGICAL; + f_nofollow = 0; + break; + case 'P': + fts_options &= ~FTS_COMFOLLOW; + fts_options &= ~FTS_LOGICAL; + fts_options |= FTS_PHYSICAL; + f_nofollow = 1; + break; + case 'R': + f_recursive = 1; + break; + case 'T': + f_sectime = 1; + break; + case 'W': + f_whiteout = 1; + break; + case 'Z': + f_label = 1; + break; + case 'b': + f_nonprint = 0; + f_octal = 0; + f_octal_escape = 1; + break; + /* The -d option turns off the -R option. */ + case 'd': + f_listdir = 1; + f_recursive = 0; + break; + case 'g': /* Compatibility with 4.3BSD. */ + break; + case 'h': + f_humanval = 1; + break; + case 'i': + f_inode = 1; + break; + case 'k': + f_humanval = 0; + f_kblocks = 1; + break; + case 'm': + f_stream = 1; + f_singlecol = 0; + f_longform = 0; + break; + case 'n': + f_numericonly = 1; + break; + case 'o': + 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': + f_size = 1; + break; + case 'w': + f_nonprint = 0; + f_octal = 0; + f_octal_escape = 0; + break; + case 'y': + f_samesort = 1; + break; + default: + case '?': + usage(); + } + } + argc -= optind; + argv += optind; + + /* Root is -A automatically unless -I. */ + if (!f_listdot && getuid() == (uid_t)0 && !f_noautodot) + f_listdot = 1; + + /* 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 + xo_warnx("color support not compiled in"); +#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, -S or -t 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_sizesort && !f_type +#ifdef COLORLS + && !f_color +#endif + ) + fts_options |= FTS_NOSTAT; + + /* + * If not -F, -P, -d or -l options, follow any symbolic links listed on + * the command line, unless in color mode in which case we need to + * distinguish file type for a symbolic link itself and its target. + */ + if (!f_nofollow && !f_longform && !f_listdir && (!f_type || f_slash) +#ifdef COLORLS + && !f_color +#endif + ) + fts_options |= FTS_COMFOLLOW; + + /* + * If -W, show whiteout entries + */ +#ifdef FTS_WHITEOUT + if (f_whiteout) + fts_options |= FTS_WHITEOUT; +#endif + + /* If -i, -l or -s, figure out block size. */ + if (f_inode || 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_timesort && !f_sizesort) + sortfcn = revnamecmp; + else if (f_sizesort) + sortfcn = revsizecmp; + else if (f_accesstime) + sortfcn = revacccmp; + else if (f_birthtime) + sortfcn = revbirthcmp; + else if (f_statustime) + sortfcn = revstatcmp; + else /* Use modification time. */ + sortfcn = revmodcmp; + } else { + if (!f_timesort && !f_sizesort) + sortfcn = namecmp; + else if (f_sizesort) + sortfcn = sizecmp; + else if (f_accesstime) + sortfcn = acccmp; + else if (f_birthtime) + sortfcn = birthcmp; + else if (f_statustime) + sortfcn = statcmp; + 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; + + xo_open_container("file-information"); + if (argc) + traverse(argc, argv, fts_options); + else + traverse(1, dotav, fts_options); + xo_close_container("file-information"); + xo_finish(); + 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; + int first = 1; + + if ((ftsp = + fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) + xo_err(1, "fts_open"); + + /* + * We ignore errors from fts_children here since they will be + * replicated and signalled on the next call to fts_read() below. + */ + chp = fts_children(ftsp, 0); + if (chp != NULL) + display(NULL, chp, options); + if (f_listdir) + return; + + /* + * If not recursing down this tree and don't need stat info, just get + * the names. + */ + ch_options = !f_recursive && !f_label && + options & FTS_NOSTAT ? FTS_NAMEONLY : 0; + + while ((p = fts_read(ftsp)) != NULL) + switch (p->fts_info) { + case FTS_DC: + xo_warnx("%s: directory causes a cycle", p->fts_name); + break; + case FTS_DNR: + case FTS_ERR: + xo_warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); + rval = 1; + break; + case FTS_D: + if (p->fts_level != FTS_ROOTLEVEL && + p->fts_name[0] == '.' && !f_listdot) + break; + + if (first) { + first = 0; + xo_open_list("directory"); + } + xo_open_instance("directory"); + + /* + * If already output something, put out a newline as + * a separator. If multiple arguments, precede each + * directory with its name. + */ + if (output) { + xo_emit("\n"); + (void)printname("path", p->fts_path); + xo_emit(":\n"); + } else if (argc > 1) { + (void)printname("path", p->fts_path); + xo_emit(":\n"); + output = 1; + } + chp = fts_children(ftsp, ch_options); + display(p, chp, options); + + xo_close_instance("directory"); + if (!f_recursive && chp != NULL) + (void)fts_set(ftsp, p, FTS_SKIP); + break; + default: + break; + } + if (!first) + xo_close_list("directory"); + if (errno) + xo_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(const FTSENT *p, FTSENT *list, int options) +{ + struct stat *sp; + DISPLAY d; + FTSENT *cur; + NAMES *np; + off_t maxsize; + long maxblock; + uintmax_t maxinode; + u_long btotal, labelstrlen, maxlen, maxnlink; + u_long maxlabelstr; + u_int sizelen; + int maxflags; + gid_t maxgroup; + uid_t maxuser; + size_t flen, ulen, glen; + char *initmax; + int entries, needstats; + const char *user, *group; + char *flags, *labelstr = NULL; + char ngroup[STRBUF_SIZEOF(uid_t) + 1]; + char nuser[STRBUF_SIZEOF(gid_t) + 1]; + + needstats = f_inode || f_longform || f_size; + flen = 0; + btotal = 0; + initmax = getenv("LS_COLWIDTHS"); + /* Fields match -lios order. New ones should be added at the end. */ + maxlabelstr = maxblock = maxlen = maxnlink = 0; + maxuser = maxgroup = maxflags = maxsize = 0; + maxinode = 0; + if (initmax != NULL && *initmax != '\0') { + char *initmax2, *jinitmax; + int ninitmax; + + /* Fill-in "::" as "0:0:0" for the sake of scanf. */ + jinitmax = malloc(strlen(initmax) * 2 + 2); + if (jinitmax == NULL) + xo_err(1, "malloc"); + initmax2 = jinitmax; + 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, + " %ju : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ", + &maxinode, &maxblock, &maxnlink, &maxuser, + &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr); + 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: + maxlabelstr = 0; + /* FALLTHROUGH */ +#ifdef COLORLS + if (!f_color) +#endif + f_notabs = 0; + /* FALLTHROUGH */ + default: + break; + } + MAKENINES(maxinode); + MAKENINES(maxblock); + MAKENINES(maxnlink); + MAKENINES(maxsize); + free(jinitmax); + } + d.s_size = 0; + sizelen = 0; + flags = NULL; + for (cur = list, entries = 0; cur; cur = cur->fts_link) { + if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { + xo_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) + xo_err(1, "fflagstostr"); + flen = strlen(flags); + if (flen > (size_t)maxflags) + maxflags = flen; + } else + flen = 0; + labelstr = NULL; + if (f_label) { + char name[PATH_MAX + 1]; + mac_t label; + int error; + + error = mac_prepare_file_label(&label); + if (error == -1) { + xo_warn("MAC label for %s/%s", + cur->fts_parent->fts_path, + cur->fts_name); + goto label_out; + } + + if (cur->fts_level == FTS_ROOTLEVEL) + snprintf(name, sizeof(name), + "%s", cur->fts_name); + else + snprintf(name, sizeof(name), + "%s/%s", cur->fts_parent-> + fts_accpath, cur->fts_name); + + if (options & FTS_LOGICAL) + error = mac_get_file(name, + label); + else + error = mac_get_link(name, + label); + if (error == -1) { + xo_warn("MAC label for %s/%s", + cur->fts_parent->fts_path, + cur->fts_name); + mac_free(label); + goto label_out; + } + + error = mac_to_text(label, + &labelstr); + if (error == -1) { + xo_warn("MAC label for %s/%s", + cur->fts_parent->fts_path, + cur->fts_name); + mac_free(label); + goto label_out; + } + mac_free(label); +label_out: + if (labelstr == NULL) + labelstr = strdup("-"); + labelstrlen = strlen(labelstr); + if (labelstrlen > maxlabelstr) + maxlabelstr = labelstrlen; + } else + labelstrlen = 0; + + if ((np = malloc(sizeof(NAMES) + labelstrlen + + ulen + glen + flen + 4)) == NULL) + xo_err(1, "malloc"); + + np->user = &np->data[0]; + (void)strcpy(np->user, user); + np->group = &np->data[ulen + 1]; + (void)strcpy(np->group, group); + + if (S_ISCHR(sp->st_mode) || + S_ISBLK(sp->st_mode)) { + sizelen = snprintf(NULL, 0, + "%#jx", (uintmax_t)sp->st_rdev); + if (d.s_size < sizelen) + d.s_size = sizelen; + } + + if (f_flags) { + np->flags = &np->data[ulen + glen + 2]; + (void)strcpy(np->flags, flags); + free(flags); + } + if (f_label) { + np->label = &np->data[ulen + glen + 2 + + (f_flags ? flen + 1 : 0)]; + (void)strcpy(np->label, labelstr); + free(labelstr); + } + cur->fts_pointer = np; + } + } + ++entries; + } + + /* + * If there are no entries to display, we normally stop right + * here. However, we must continue if we have to display the + * total block count. In this case, we display the total only + * on the second (p != NULL) pass. + */ + if (!entries && (!(f_longform || f_size) || p == NULL)) + return; + + d.list = list; + d.entries = entries; + d.maxlen = maxlen; + if (needstats) { + d.btotal = btotal; + d.s_block = snprintf(NULL, 0, "%lu", howmany(maxblock, blocksize)); + d.s_flags = maxflags; + d.s_label = maxlabelstr; + d.s_group = maxgroup; + d.s_inode = snprintf(NULL, 0, "%ju", maxinode); + d.s_nlink = snprintf(NULL, 0, "%lu", maxnlink); + sizelen = f_humanval ? HUMANVALSTR_LEN : + snprintf(NULL, 0, "%ju", maxsize); + if (d.s_size < sizelen) + d.s_size = sizelen; + d.s_user = maxuser; + } + if (f_thousands) /* make space for commas */ + d.s_size += (d.s_size - 1) / 3; + printfcn(&d); + output = 1; + + if (f_longform) + for (cur = list; cur; cur = cur->fts_link) + free(cur->fts_pointer); +} + +/* + * 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 * const *a, const FTSENT * const *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)); +} |