print.c revision 8855
11556Srgrimes/* 21556Srgrimes * Copyright (c) 1989, 1993, 1994 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * This code is derived from software contributed to Berkeley by 61556Srgrimes * Michael Fischbein. 71556Srgrimes * 81556Srgrimes * Redistribution and use in source and binary forms, with or without 91556Srgrimes * modification, are permitted provided that the following conditions 101556Srgrimes * are met: 111556Srgrimes * 1. Redistributions of source code must retain the above copyright 121556Srgrimes * notice, this list of conditions and the following disclaimer. 131556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141556Srgrimes * notice, this list of conditions and the following disclaimer in the 151556Srgrimes * documentation and/or other materials provided with the distribution. 161556Srgrimes * 3. All advertising materials mentioning features or use of this software 171556Srgrimes * must display the following acknowledgement: 181556Srgrimes * This product includes software developed by the University of 191556Srgrimes * California, Berkeley and its contributors. 201556Srgrimes * 4. Neither the name of the University nor the names of its contributors 211556Srgrimes * may be used to endorse or promote products derived from this software 221556Srgrimes * without specific prior written permission. 231556Srgrimes * 241556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341556Srgrimes * SUCH DAMAGE. 353044Sdg * 368855Srgrimes * $Id: print.c,v 1.3 1995/03/19 13:28:46 joerg Exp $ 371556Srgrimes */ 381556Srgrimes 391556Srgrimes#ifndef lint 401556Srgrimesstatic char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94"; 411556Srgrimes#endif /* not lint */ 421556Srgrimes 431556Srgrimes#include <sys/param.h> 441556Srgrimes#include <sys/stat.h> 451556Srgrimes 461556Srgrimes#include <err.h> 471556Srgrimes#include <errno.h> 481556Srgrimes#include <fts.h> 491556Srgrimes#include <grp.h> 501556Srgrimes#include <pwd.h> 511556Srgrimes#include <stdio.h> 521556Srgrimes#include <stdlib.h> 531556Srgrimes#include <string.h> 541556Srgrimes#include <time.h> 551556Srgrimes#include <tzfile.h> 561556Srgrimes#include <unistd.h> 571556Srgrimes#include <utmp.h> 581556Srgrimes 591556Srgrimes#include "ls.h" 601556Srgrimes#include "extern.h" 611556Srgrimes 621556Srgrimesstatic int printaname __P((FTSENT *, u_long, u_long)); 631556Srgrimesstatic void printlink __P((FTSENT *)); 641556Srgrimesstatic void printtime __P((time_t)); 651556Srgrimesstatic int printtype __P((u_int)); 661556Srgrimes 671556Srgrimes#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 681556Srgrimes 691556Srgrimesvoid 701556Srgrimesprintscol(dp) 711556Srgrimes DISPLAY *dp; 721556Srgrimes{ 731556Srgrimes FTSENT *p; 741556Srgrimes 751556Srgrimes for (p = dp->list; p; p = p->fts_link) { 761556Srgrimes if (IS_NOPRINT(p)) 771556Srgrimes continue; 781556Srgrimes (void)printaname(p, dp->s_inode, dp->s_block); 791556Srgrimes (void)putchar('\n'); 801556Srgrimes } 811556Srgrimes} 821556Srgrimes 831556Srgrimesvoid 841556Srgrimesprintlong(dp) 851556Srgrimes DISPLAY *dp; 861556Srgrimes{ 871556Srgrimes struct stat *sp; 881556Srgrimes FTSENT *p; 891556Srgrimes NAMES *np; 901556Srgrimes char buf[20]; 911556Srgrimes 921556Srgrimes if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 931556Srgrimes (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 941556Srgrimes 951556Srgrimes for (p = dp->list; p; p = p->fts_link) { 961556Srgrimes if (IS_NOPRINT(p)) 971556Srgrimes continue; 981556Srgrimes sp = p->fts_statp; 991556Srgrimes if (f_inode) 1001556Srgrimes (void)printf("%*lu ", dp->s_inode, sp->st_ino); 1011556Srgrimes if (f_size) 1021556Srgrimes (void)printf("%*qd ", 1031556Srgrimes dp->s_block, howmany(sp->st_blocks, blocksize)); 1041556Srgrimes (void)strmode(sp->st_mode, buf); 1051556Srgrimes np = p->fts_pointer; 1061556Srgrimes (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink, 1071556Srgrimes sp->st_nlink, dp->s_user, np->user, dp->s_group, 1081556Srgrimes np->group); 1091556Srgrimes if (f_flags) 1101556Srgrimes (void)printf("%-*s ", dp->s_flags, np->flags); 1111556Srgrimes if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 1121556Srgrimes (void)printf("%3d, %3d ", 1131556Srgrimes major(sp->st_rdev), minor(sp->st_rdev)); 1141556Srgrimes else if (dp->bcfile) 1151556Srgrimes (void)printf("%*s%*qd ", 1161556Srgrimes 8 - dp->s_size, "", dp->s_size, sp->st_size); 1171556Srgrimes else 1181556Srgrimes (void)printf("%*qd ", dp->s_size, sp->st_size); 1191556Srgrimes if (f_accesstime) 1201556Srgrimes printtime(sp->st_atime); 1211556Srgrimes else if (f_statustime) 1221556Srgrimes printtime(sp->st_ctime); 1231556Srgrimes else 1241556Srgrimes printtime(sp->st_mtime); 1251556Srgrimes (void)printf("%s", p->fts_name); 1261556Srgrimes if (f_type) 1271556Srgrimes (void)printtype(sp->st_mode); 1281556Srgrimes if (S_ISLNK(sp->st_mode)) 1291556Srgrimes printlink(p); 1301556Srgrimes (void)putchar('\n'); 1311556Srgrimes } 1321556Srgrimes} 1331556Srgrimes 1341556Srgrimes#define TAB 8 1351556Srgrimes 1361556Srgrimesvoid 1371556Srgrimesprintcol(dp) 1381556Srgrimes DISPLAY *dp; 1391556Srgrimes{ 1401556Srgrimes extern int termwidth; 1411556Srgrimes static FTSENT **array; 1421556Srgrimes static int lastentries = -1; 1431556Srgrimes FTSENT *p; 1441556Srgrimes int base, chcnt, cnt, col, colwidth, num; 1451556Srgrimes int endcol, numcols, numrows, row; 1461556Srgrimes 1471556Srgrimes /* 1481556Srgrimes * Have to do random access in the linked list -- build a table 1491556Srgrimes * of pointers. 1501556Srgrimes */ 1511556Srgrimes if (dp->entries > lastentries) { 1521556Srgrimes lastentries = dp->entries; 1531556Srgrimes if ((array = 1541556Srgrimes realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 1551556Srgrimes warn(NULL); 1561556Srgrimes printscol(dp); 1571556Srgrimes } 1581556Srgrimes } 1591556Srgrimes for (p = dp->list, num = 0; p; p = p->fts_link) 1601556Srgrimes if (p->fts_number != NO_PRINT) 1611556Srgrimes array[num++] = p; 1621556Srgrimes 1631556Srgrimes colwidth = dp->maxlen; 1641556Srgrimes if (f_inode) 1651556Srgrimes colwidth += dp->s_inode + 1; 1661556Srgrimes if (f_size) 1671556Srgrimes colwidth += dp->s_block + 1; 1681556Srgrimes if (f_type) 1691556Srgrimes colwidth += 1; 1701556Srgrimes 1711556Srgrimes colwidth = (colwidth + TAB) & ~(TAB - 1); 1721556Srgrimes if (termwidth < 2 * colwidth) { 1731556Srgrimes printscol(dp); 1741556Srgrimes return; 1751556Srgrimes } 1761556Srgrimes 1771556Srgrimes numcols = termwidth / colwidth; 1781556Srgrimes numrows = num / numcols; 1791556Srgrimes if (num % numcols) 1801556Srgrimes ++numrows; 1811556Srgrimes 1821556Srgrimes if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 1831556Srgrimes (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 1841556Srgrimes for (row = 0; row < numrows; ++row) { 1851556Srgrimes endcol = colwidth; 1861556Srgrimes for (base = row, chcnt = col = 0; col < numcols; ++col) { 1871556Srgrimes chcnt += printaname(array[base], dp->s_inode, 1881556Srgrimes dp->s_block); 1891556Srgrimes if ((base += numrows) >= num) 1901556Srgrimes break; 1917165Sjoerg while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol){ 1921556Srgrimes (void)putchar('\t'); 1931556Srgrimes chcnt = cnt; 1941556Srgrimes } 1951556Srgrimes endcol += colwidth; 1961556Srgrimes } 1971556Srgrimes (void)putchar('\n'); 1981556Srgrimes } 1991556Srgrimes} 2001556Srgrimes 2011556Srgrimes/* 2021556Srgrimes * print [inode] [size] name 2031556Srgrimes * return # of characters printed, no trailing characters. 2041556Srgrimes */ 2051556Srgrimesstatic int 2061556Srgrimesprintaname(p, inodefield, sizefield) 2071556Srgrimes FTSENT *p; 2081556Srgrimes u_long sizefield, inodefield; 2091556Srgrimes{ 2101556Srgrimes struct stat *sp; 2111556Srgrimes int chcnt; 2121556Srgrimes 2131556Srgrimes sp = p->fts_statp; 2141556Srgrimes chcnt = 0; 2151556Srgrimes if (f_inode) 2161556Srgrimes chcnt += printf("%*lu ", (int)inodefield, sp->st_ino); 2171556Srgrimes if (f_size) 2181556Srgrimes chcnt += printf("%*qd ", 2191556Srgrimes (int)sizefield, howmany(sp->st_blocks, blocksize)); 2201556Srgrimes chcnt += printf("%s", p->fts_name); 2211556Srgrimes if (f_type) 2221556Srgrimes chcnt += printtype(sp->st_mode); 2231556Srgrimes return (chcnt); 2241556Srgrimes} 2251556Srgrimes 2261556Srgrimesstatic void 2271556Srgrimesprinttime(ftime) 2281556Srgrimes time_t ftime; 2291556Srgrimes{ 2301556Srgrimes int i; 2311556Srgrimes char *longstring; 2321556Srgrimes 2331556Srgrimes longstring = ctime(&ftime); 2341556Srgrimes for (i = 4; i < 11; ++i) 2351556Srgrimes (void)putchar(longstring[i]); 2361556Srgrimes 2371556Srgrimes#define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) 2381556Srgrimes if (f_sectime) 2391556Srgrimes for (i = 11; i < 24; i++) 2401556Srgrimes (void)putchar(longstring[i]); 2411556Srgrimes else if (ftime + SIXMONTHS > time(NULL)) 2421556Srgrimes for (i = 11; i < 16; ++i) 2431556Srgrimes (void)putchar(longstring[i]); 2441556Srgrimes else { 2451556Srgrimes (void)putchar(' '); 2461556Srgrimes for (i = 20; i < 24; ++i) 2471556Srgrimes (void)putchar(longstring[i]); 2481556Srgrimes } 2491556Srgrimes (void)putchar(' '); 2501556Srgrimes} 2511556Srgrimes 2521556Srgrimesstatic int 2531556Srgrimesprinttype(mode) 2541556Srgrimes u_int mode; 2551556Srgrimes{ 2561556Srgrimes switch (mode & S_IFMT) { 2571556Srgrimes case S_IFDIR: 2581556Srgrimes (void)putchar('/'); 2591556Srgrimes return (1); 2601556Srgrimes case S_IFIFO: 2611556Srgrimes (void)putchar('|'); 2621556Srgrimes return (1); 2631556Srgrimes case S_IFLNK: 2641556Srgrimes (void)putchar('@'); 2651556Srgrimes return (1); 2661556Srgrimes case S_IFSOCK: 2671556Srgrimes (void)putchar('='); 2681556Srgrimes return (1); 2691556Srgrimes } 2701556Srgrimes if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 2711556Srgrimes (void)putchar('*'); 2721556Srgrimes return (1); 2731556Srgrimes } 2741556Srgrimes return (0); 2751556Srgrimes} 2761556Srgrimes 2771556Srgrimesstatic void 2781556Srgrimesprintlink(p) 2791556Srgrimes FTSENT *p; 2801556Srgrimes{ 2811556Srgrimes int lnklen; 2821556Srgrimes char name[MAXPATHLEN + 1], path[MAXPATHLEN + 1]; 2831556Srgrimes 2841556Srgrimes if (p->fts_level == FTS_ROOTLEVEL) 2851556Srgrimes (void)snprintf(name, sizeof(name), "%s", p->fts_name); 2868855Srgrimes else 2871556Srgrimes (void)snprintf(name, sizeof(name), 2881556Srgrimes "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 2891556Srgrimes if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 2901556Srgrimes (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 2911556Srgrimes return; 2921556Srgrimes } 2931556Srgrimes path[lnklen] = '\0'; 2941556Srgrimes (void)printf(" -> %s", path); 2951556Srgrimes} 296