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- /*
- * Copyright (c) 1989 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.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)print.c 5.37 (Berkeley) 7/20/92";
- #endif /* not lint */
-
- #include <sys/param.h>
- #include <sys/stat.h>
- #include <fts.h>
- #include <time.h>
- #include <errno.h>
- #include <grp.h>
- #include <pwd.h>
- #include <utmp.h>
- #include <unistd.h>
- #include <tzfile.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- #include "ls.h"
- #include "extern.h"
-
- static int printaname __P((FTSENT *, u_long, u_long));
- static void printlink __P((FTSENT *));
- static void printtime __P((time_t));
- static int printtype __P((u_int));
-
- #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
-
- void
- printscol(dp)
- DISPLAY *dp;
- {
- register 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');
- }
- }
-
- void
- printlong(dp)
- DISPLAY *dp;
- {
- register FTSENT *p;
- register struct stat *sp;
- NAMES *np;
- char buf[20];
-
- if (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("%*lu ", dp->s_inode, sp->st_ino);
- if (f_size)
- (void)printf("%*qd ",
- dp->s_block, howmany(sp->st_blocks, blocksize));
- (void)strmode(sp->st_mode, buf);
- np = p->fts_pointer;
- (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink,
- 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 (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
- (void)printf("%3d, %3d ",
- major(sp->st_rdev), minor(sp->st_rdev));
- else if (dp->bcfile)
- (void)printf("%*s%*qd ",
- 8 - dp->s_size, "", dp->s_size, sp->st_size);
- else
- (void)printf("%*qd ", dp->s_size, sp->st_size);
- if (f_accesstime)
- printtime(sp->st_atime);
- else if (f_statustime)
- printtime(sp->st_ctime);
- else
- printtime(sp->st_mtime);
- (void)printf("%s", p->fts_name);
- if (f_type)
- (void)printtype(sp->st_mode);
- if (S_ISLNK(sp->st_mode))
- printlink(p);
- (void)putchar('\n');
- }
- }
-
- #define TAB 8
-
- void
- printcol(dp)
- DISPLAY *dp;
- {
- extern int termwidth;
- static FTSENT **array;
- static int lastentries = -1;
- register FTSENT *p;
- register int base, chcnt, cnt, col, colwidth, num;
- int endcol, numcols, numrows, row;
-
- /*
- * Have to do random access in the linked list -- build a table
- * of pointers.
- */
- if (dp->entries > lastentries) {
- lastentries = dp->entries;
- if ((array =
- realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
- err(0, "%s", strerror(errno));
- printscol(dp);
- }
- }
- 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 + TAB) & ~(TAB - 1);
- if (termwidth < 2 * colwidth) {
- printscol(dp);
- return;
- }
-
- numcols = termwidth / colwidth;
- numrows = num / numcols;
- if (num % numcols)
- ++numrows;
-
- if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size))
- (void)printf("total %lu\n", howmany(dp->btotal, blocksize));
- for (row = 0; row < numrows; ++row) {
- endcol = colwidth;
- for (base = row, chcnt = col = 0; col < numcols; ++col) {
- chcnt += printaname(array[base], dp->s_inode,
- dp->s_block);
- if ((base += numrows) >= num)
- break;
- while ((cnt = (chcnt + TAB & ~(TAB - 1))) <= endcol) {
- (void)putchar('\t');
- chcnt = cnt;
- }
- endcol += colwidth;
- }
- (void)putchar('\n');
- }
- }
-
- /*
- * print [inode] [size] name
- * return # of characters printed, no trailing characters.
- */
- static int
- printaname(p, inodefield, sizefield)
- register FTSENT *p;
- u_long sizefield, inodefield;
- {
- struct stat *sp;
- int chcnt;
-
- sp = p->fts_statp;
- chcnt = 0;
- if (f_inode)
- chcnt += printf("%*lu ", inodefield, sp->st_ino);
- if (f_size)
- chcnt += printf("%*qd ",
- sizefield, howmany(sp->st_blocks, blocksize));
- chcnt += printf("%s", p->fts_name);
- if (f_type)
- chcnt += printtype(sp->st_mode);
- return (chcnt);
- }
-
- static void
- printtime(ftime)
- time_t ftime;
- {
- int i;
- char *longstring;
-
- longstring = ctime(&ftime);
- for (i = 4; i < 11; ++i)
- (void)putchar(longstring[i]);
-
- #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY)
- if (f_sectime)
- for (i = 11; i < 24; i++)
- (void)putchar(longstring[i]);
- else if (ftime + SIXMONTHS > time(NULL))
- for (i = 11; i < 16; ++i)
- (void)putchar(longstring[i]);
- else {
- (void)putchar(' ');
- for (i = 20; i < 24; ++i)
- (void)putchar(longstring[i]);
- }
- (void)putchar(' ');
- }
-
- static int
- printtype(mode)
- u_int mode;
- {
- switch(mode & S_IFMT) {
- case S_IFDIR:
- (void)putchar('/');
- return (1);
- case S_IFLNK:
- (void)putchar('@');
- return (1);
- case S_IFSOCK:
- (void)putchar('=');
- return (1);
- }
- if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
- (void)putchar('*');
- return (1);
- }
- return (0);
- }
-
- static void
- printlink(p)
- FTSENT *p;
- {
- int lnklen;
- char name[MAXPATHLEN + 1], 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_path, p->fts_name);
- if ((lnklen = readlink(name, path, sizeof(name) - 1)) == -1) {
- (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
- return;
- }
- path[lnklen] = '\0';
- (void)printf(" -> %s", path);
- }
-