print.c revision 9991
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 * 369991Sache * $Id: print.c,v 1.5 1995/08/07 19:17:35 wollman 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 <unistd.h> 561556Srgrimes#include <utmp.h> 571556Srgrimes 581556Srgrimes#include "ls.h" 591556Srgrimes#include "extern.h" 601556Srgrimes 611556Srgrimesstatic int printaname __P((FTSENT *, u_long, u_long)); 621556Srgrimesstatic void printlink __P((FTSENT *)); 631556Srgrimesstatic void printtime __P((time_t)); 641556Srgrimesstatic int printtype __P((u_int)); 651556Srgrimes 661556Srgrimes#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 671556Srgrimes 681556Srgrimesvoid 691556Srgrimesprintscol(dp) 701556Srgrimes DISPLAY *dp; 711556Srgrimes{ 721556Srgrimes FTSENT *p; 731556Srgrimes 741556Srgrimes for (p = dp->list; p; p = p->fts_link) { 751556Srgrimes if (IS_NOPRINT(p)) 761556Srgrimes continue; 771556Srgrimes (void)printaname(p, dp->s_inode, dp->s_block); 781556Srgrimes (void)putchar('\n'); 791556Srgrimes } 801556Srgrimes} 811556Srgrimes 821556Srgrimesvoid 831556Srgrimesprintlong(dp) 841556Srgrimes DISPLAY *dp; 851556Srgrimes{ 861556Srgrimes struct stat *sp; 871556Srgrimes FTSENT *p; 881556Srgrimes NAMES *np; 891556Srgrimes char buf[20]; 901556Srgrimes 911556Srgrimes if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 921556Srgrimes (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 931556Srgrimes 941556Srgrimes for (p = dp->list; p; p = p->fts_link) { 951556Srgrimes if (IS_NOPRINT(p)) 961556Srgrimes continue; 971556Srgrimes sp = p->fts_statp; 981556Srgrimes if (f_inode) 991556Srgrimes (void)printf("%*lu ", dp->s_inode, sp->st_ino); 1001556Srgrimes if (f_size) 1011556Srgrimes (void)printf("%*qd ", 1021556Srgrimes dp->s_block, howmany(sp->st_blocks, blocksize)); 1031556Srgrimes (void)strmode(sp->st_mode, buf); 1041556Srgrimes np = p->fts_pointer; 1051556Srgrimes (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink, 1061556Srgrimes sp->st_nlink, dp->s_user, np->user, dp->s_group, 1071556Srgrimes np->group); 1081556Srgrimes if (f_flags) 1091556Srgrimes (void)printf("%-*s ", dp->s_flags, np->flags); 1101556Srgrimes if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 1111556Srgrimes (void)printf("%3d, %3d ", 1121556Srgrimes major(sp->st_rdev), minor(sp->st_rdev)); 1131556Srgrimes else if (dp->bcfile) 1141556Srgrimes (void)printf("%*s%*qd ", 1151556Srgrimes 8 - dp->s_size, "", dp->s_size, sp->st_size); 1161556Srgrimes else 1171556Srgrimes (void)printf("%*qd ", dp->s_size, sp->st_size); 1181556Srgrimes if (f_accesstime) 1191556Srgrimes printtime(sp->st_atime); 1201556Srgrimes else if (f_statustime) 1211556Srgrimes printtime(sp->st_ctime); 1221556Srgrimes else 1231556Srgrimes printtime(sp->st_mtime); 1241556Srgrimes (void)printf("%s", p->fts_name); 1251556Srgrimes if (f_type) 1261556Srgrimes (void)printtype(sp->st_mode); 1271556Srgrimes if (S_ISLNK(sp->st_mode)) 1281556Srgrimes printlink(p); 1291556Srgrimes (void)putchar('\n'); 1301556Srgrimes } 1311556Srgrimes} 1321556Srgrimes 1331556Srgrimes#define TAB 8 1341556Srgrimes 1351556Srgrimesvoid 1361556Srgrimesprintcol(dp) 1371556Srgrimes DISPLAY *dp; 1381556Srgrimes{ 1391556Srgrimes extern int termwidth; 1401556Srgrimes static FTSENT **array; 1411556Srgrimes static int lastentries = -1; 1421556Srgrimes FTSENT *p; 1431556Srgrimes int base, chcnt, cnt, col, colwidth, num; 1441556Srgrimes int endcol, numcols, numrows, row; 1451556Srgrimes 1461556Srgrimes /* 1471556Srgrimes * Have to do random access in the linked list -- build a table 1481556Srgrimes * of pointers. 1491556Srgrimes */ 1501556Srgrimes if (dp->entries > lastentries) { 1511556Srgrimes lastentries = dp->entries; 1521556Srgrimes if ((array = 1531556Srgrimes realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 1541556Srgrimes warn(NULL); 1551556Srgrimes printscol(dp); 1561556Srgrimes } 1571556Srgrimes } 1581556Srgrimes for (p = dp->list, num = 0; p; p = p->fts_link) 1591556Srgrimes if (p->fts_number != NO_PRINT) 1601556Srgrimes array[num++] = p; 1611556Srgrimes 1621556Srgrimes colwidth = dp->maxlen; 1631556Srgrimes if (f_inode) 1641556Srgrimes colwidth += dp->s_inode + 1; 1651556Srgrimes if (f_size) 1661556Srgrimes colwidth += dp->s_block + 1; 1671556Srgrimes if (f_type) 1681556Srgrimes colwidth += 1; 1691556Srgrimes 1701556Srgrimes colwidth = (colwidth + TAB) & ~(TAB - 1); 1711556Srgrimes if (termwidth < 2 * colwidth) { 1721556Srgrimes printscol(dp); 1731556Srgrimes return; 1741556Srgrimes } 1751556Srgrimes 1761556Srgrimes numcols = termwidth / colwidth; 1771556Srgrimes numrows = num / numcols; 1781556Srgrimes if (num % numcols) 1791556Srgrimes ++numrows; 1801556Srgrimes 1811556Srgrimes if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 1821556Srgrimes (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 1831556Srgrimes for (row = 0; row < numrows; ++row) { 1841556Srgrimes endcol = colwidth; 1851556Srgrimes for (base = row, chcnt = col = 0; col < numcols; ++col) { 1861556Srgrimes chcnt += printaname(array[base], dp->s_inode, 1871556Srgrimes dp->s_block); 1881556Srgrimes if ((base += numrows) >= num) 1891556Srgrimes break; 1907165Sjoerg while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol){ 1911556Srgrimes (void)putchar('\t'); 1921556Srgrimes chcnt = cnt; 1931556Srgrimes } 1941556Srgrimes endcol += colwidth; 1951556Srgrimes } 1961556Srgrimes (void)putchar('\n'); 1971556Srgrimes } 1981556Srgrimes} 1991556Srgrimes 2001556Srgrimes/* 2011556Srgrimes * print [inode] [size] name 2021556Srgrimes * return # of characters printed, no trailing characters. 2031556Srgrimes */ 2041556Srgrimesstatic int 2051556Srgrimesprintaname(p, inodefield, sizefield) 2061556Srgrimes FTSENT *p; 2071556Srgrimes u_long sizefield, inodefield; 2081556Srgrimes{ 2091556Srgrimes struct stat *sp; 2101556Srgrimes int chcnt; 2111556Srgrimes 2121556Srgrimes sp = p->fts_statp; 2131556Srgrimes chcnt = 0; 2141556Srgrimes if (f_inode) 2151556Srgrimes chcnt += printf("%*lu ", (int)inodefield, sp->st_ino); 2161556Srgrimes if (f_size) 2171556Srgrimes chcnt += printf("%*qd ", 2181556Srgrimes (int)sizefield, howmany(sp->st_blocks, blocksize)); 2191556Srgrimes chcnt += printf("%s", p->fts_name); 2201556Srgrimes if (f_type) 2211556Srgrimes chcnt += printtype(sp->st_mode); 2221556Srgrimes return (chcnt); 2231556Srgrimes} 2241556Srgrimes 2251556Srgrimesstatic void 2261556Srgrimesprinttime(ftime) 2271556Srgrimes time_t ftime; 2281556Srgrimes{ 2291556Srgrimes int i; 2309991Sache char longstring[80]; 2311556Srgrimes 2329991Sache strftime(longstring, sizeof(longstring), "%c", localtime(&ftime)); 2331556Srgrimes for (i = 4; i < 11; ++i) 2341556Srgrimes (void)putchar(longstring[i]); 2351556Srgrimes 2369987Swollman#define SIXMONTHS ((365 / 2) * 86400) 2371556Srgrimes if (f_sectime) 2381556Srgrimes for (i = 11; i < 24; i++) 2391556Srgrimes (void)putchar(longstring[i]); 2401556Srgrimes else if (ftime + SIXMONTHS > time(NULL)) 2411556Srgrimes for (i = 11; i < 16; ++i) 2421556Srgrimes (void)putchar(longstring[i]); 2431556Srgrimes else { 2441556Srgrimes (void)putchar(' '); 2451556Srgrimes for (i = 20; i < 24; ++i) 2461556Srgrimes (void)putchar(longstring[i]); 2471556Srgrimes } 2481556Srgrimes (void)putchar(' '); 2491556Srgrimes} 2501556Srgrimes 2511556Srgrimesstatic int 2521556Srgrimesprinttype(mode) 2531556Srgrimes u_int mode; 2541556Srgrimes{ 2551556Srgrimes switch (mode & S_IFMT) { 2561556Srgrimes case S_IFDIR: 2571556Srgrimes (void)putchar('/'); 2581556Srgrimes return (1); 2591556Srgrimes case S_IFIFO: 2601556Srgrimes (void)putchar('|'); 2611556Srgrimes return (1); 2621556Srgrimes case S_IFLNK: 2631556Srgrimes (void)putchar('@'); 2641556Srgrimes return (1); 2651556Srgrimes case S_IFSOCK: 2661556Srgrimes (void)putchar('='); 2671556Srgrimes return (1); 2681556Srgrimes } 2691556Srgrimes if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 2701556Srgrimes (void)putchar('*'); 2711556Srgrimes return (1); 2721556Srgrimes } 2731556Srgrimes return (0); 2741556Srgrimes} 2751556Srgrimes 2761556Srgrimesstatic void 2771556Srgrimesprintlink(p) 2781556Srgrimes FTSENT *p; 2791556Srgrimes{ 2801556Srgrimes int lnklen; 2811556Srgrimes char name[MAXPATHLEN + 1], path[MAXPATHLEN + 1]; 2821556Srgrimes 2831556Srgrimes if (p->fts_level == FTS_ROOTLEVEL) 2841556Srgrimes (void)snprintf(name, sizeof(name), "%s", p->fts_name); 2858855Srgrimes else 2861556Srgrimes (void)snprintf(name, sizeof(name), 2871556Srgrimes "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 2881556Srgrimes if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 2891556Srgrimes (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 2901556Srgrimes return; 2911556Srgrimes } 2921556Srgrimes path[lnklen] = '\0'; 2931556Srgrimes (void)printf(" -> %s", path); 2941556Srgrimes} 295