print.c revision 35373
1230557Sjimharris/* 2230557Sjimharris * Copyright (c) 1989, 1993, 1994 3230557Sjimharris * The Regents of the University of California. All rights reserved. 4230557Sjimharris * 5230557Sjimharris * This code is derived from software contributed to Berkeley by 6230557Sjimharris * Michael Fischbein. 7230557Sjimharris * 8230557Sjimharris * Redistribution and use in source and binary forms, with or without 9230557Sjimharris * modification, are permitted provided that the following conditions 10230557Sjimharris * are met: 11230557Sjimharris * 1. Redistributions of source code must retain the above copyright 12230557Sjimharris * notice, this list of conditions and the following disclaimer. 13230557Sjimharris * 2. Redistributions in binary form must reproduce the above copyright 14230557Sjimharris * notice, this list of conditions and the following disclaimer in the 15230557Sjimharris * documentation and/or other materials provided with the distribution. 16230557Sjimharris * 3. All advertising materials mentioning features or use of this software 17230557Sjimharris * must display the following acknowledgement: 18230557Sjimharris * This product includes software developed by the University of 19230557Sjimharris * California, Berkeley and its contributors. 20230557Sjimharris * 4. Neither the name of the University nor the names of its contributors 21230557Sjimharris * may be used to endorse or promote products derived from this software 22230557Sjimharris * without specific prior written permission. 23230557Sjimharris * 24230557Sjimharris * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25230557Sjimharris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26230557Sjimharris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27230557Sjimharris * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28230557Sjimharris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29230557Sjimharris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30230557Sjimharris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31230557Sjimharris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32230557Sjimharris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33230557Sjimharris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34230557Sjimharris * SUCH DAMAGE. 35230557Sjimharris */ 36230557Sjimharris 37230557Sjimharris#ifndef lint 38230557Sjimharris#if 0 39230557Sjimharrisstatic char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94"; 40230557Sjimharris#else 41230557Sjimharrisstatic const char rcsid[] = 42230557Sjimharris "$Id: print.c,v 1.14 1997/08/07 22:28:24 steve Exp $"; 43230557Sjimharris#endif 44230557Sjimharris#endif /* not lint */ 45230557Sjimharris 46230557Sjimharris#include <sys/param.h> 47230557Sjimharris#include <sys/stat.h> 48230557Sjimharris 49230557Sjimharris#include <err.h> 50230557Sjimharris#include <errno.h> 51230557Sjimharris#include <fts.h> 52230557Sjimharris#include <grp.h> 53230557Sjimharris#include <pwd.h> 54230557Sjimharris#include <stdio.h> 55230557Sjimharris#include <stdlib.h> 56230557Sjimharris#include <string.h> 57230557Sjimharris#include <time.h> 58230557Sjimharris#include <unistd.h> 59230557Sjimharris 60230557Sjimharris#include "ls.h" 61230557Sjimharris#include "extern.h" 62230557Sjimharris 63230557Sjimharrisstatic int printaname __P((FTSENT *, u_long, u_long)); 64230557Sjimharrisstatic void printlink __P((FTSENT *)); 65230557Sjimharrisstatic void printtime __P((time_t)); 66230557Sjimharrisstatic int printtype __P((u_int)); 67230557Sjimharris 68230557Sjimharris#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 69230557Sjimharris 70230557Sjimharrisvoid 71230557Sjimharrisprintscol(dp) 72230557Sjimharris DISPLAY *dp; 73230557Sjimharris{ 74230557Sjimharris FTSENT *p; 75230557Sjimharris 76230557Sjimharris for (p = dp->list; p; p = p->fts_link) { 77230557Sjimharris if (IS_NOPRINT(p)) 78230557Sjimharris continue; 79230557Sjimharris (void)printaname(p, dp->s_inode, dp->s_block); 80230557Sjimharris (void)putchar('\n'); 81230557Sjimharris } 82230557Sjimharris} 83230557Sjimharris 84230557Sjimharrisvoid 85230557Sjimharrisprintlong(dp) 86230557Sjimharris DISPLAY *dp; 87230557Sjimharris{ 88230557Sjimharris struct stat *sp; 89230557Sjimharris FTSENT *p; 90230557Sjimharris NAMES *np; 91230557Sjimharris char buf[20]; 92230557Sjimharris 93230557Sjimharris if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 94230557Sjimharris (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 95230557Sjimharris 96230557Sjimharris for (p = dp->list; p; p = p->fts_link) { 97230557Sjimharris if (IS_NOPRINT(p)) 98230557Sjimharris continue; 99230557Sjimharris sp = p->fts_statp; 100230557Sjimharris if (f_inode) 101230557Sjimharris (void)printf("%*lu ", dp->s_inode, (u_long)sp->st_ino); 102230557Sjimharris if (f_size) 103230557Sjimharris (void)printf("%*qd ", 104230557Sjimharris dp->s_block, howmany(sp->st_blocks, blocksize)); 105230557Sjimharris (void)strmode(sp->st_mode, buf); 106230557Sjimharris np = p->fts_pointer; 107230557Sjimharris (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink, 108230557Sjimharris sp->st_nlink, dp->s_user, np->user, dp->s_group, 109230557Sjimharris np->group); 110230557Sjimharris if (f_flags) 111230557Sjimharris (void)printf("%-*s ", dp->s_flags, np->flags); 112230557Sjimharris if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 113230557Sjimharris if (minor(sp->st_rdev) > 255) 114230557Sjimharris (void)printf("%3d, 0x%08x ", 115230557Sjimharris major(sp->st_rdev), minor(sp->st_rdev)); 116230557Sjimharris else 117230557Sjimharris (void)printf("%3d, %3d ", 118230557Sjimharris major(sp->st_rdev), minor(sp->st_rdev)); 119230557Sjimharris else if (dp->bcfile) 120230557Sjimharris (void)printf("%*s%*qd ", 121230557Sjimharris 8 - dp->s_size, "", dp->s_size, sp->st_size); 122230557Sjimharris else 123230557Sjimharris (void)printf("%*qd ", dp->s_size, sp->st_size); 124230557Sjimharris if (f_accesstime) 125230557Sjimharris printtime(sp->st_atime); 126230557Sjimharris else if (f_statustime) 127230557Sjimharris printtime(sp->st_ctime); 128230557Sjimharris else 129230557Sjimharris printtime(sp->st_mtime); 130230557Sjimharris if (f_octal) (void)prn_octal(p->fts_name); 131230557Sjimharris else (void)printf("%s", p->fts_name); 132230557Sjimharris if (f_type) 133230557Sjimharris (void)printtype(sp->st_mode); 134230557Sjimharris if (S_ISLNK(sp->st_mode)) 135230557Sjimharris printlink(p); 136230557Sjimharris (void)putchar('\n'); 137230557Sjimharris } 138230557Sjimharris} 139230557Sjimharris 140230557Sjimharris#define TAB 8 141230557Sjimharris 142230557Sjimharrisvoid 143230557Sjimharrisprintcol(dp) 144230557Sjimharris DISPLAY *dp; 145230557Sjimharris{ 146230557Sjimharris extern int termwidth; 147230557Sjimharris static FTSENT **array; 148230557Sjimharris static int lastentries = -1; 149230557Sjimharris FTSENT *p; 150230557Sjimharris int base, chcnt, cnt, col, colwidth, num; 151230557Sjimharris int endcol, numcols, numrows, row; 152230557Sjimharris 153230557Sjimharris /* 154230557Sjimharris * Have to do random access in the linked list -- build a table 155230557Sjimharris * of pointers. 156230557Sjimharris */ 157230557Sjimharris if (dp->entries > lastentries) { 158230557Sjimharris lastentries = dp->entries; 159230557Sjimharris if ((array = 160230557Sjimharris realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 161230557Sjimharris warn(NULL); 162230557Sjimharris printscol(dp); 163230557Sjimharris } 164230557Sjimharris } 165230557Sjimharris for (p = dp->list, num = 0; p; p = p->fts_link) 166230557Sjimharris if (p->fts_number != NO_PRINT) 167230557Sjimharris array[num++] = p; 168230557Sjimharris 169230557Sjimharris colwidth = dp->maxlen; 170230557Sjimharris if (f_inode) 171230557Sjimharris colwidth += dp->s_inode + 1; 172230557Sjimharris if (f_size) 173230557Sjimharris colwidth += dp->s_block + 1; 174230557Sjimharris if (f_type) 175230557Sjimharris colwidth += 1; 176230557Sjimharris 177230557Sjimharris colwidth = (colwidth + TAB) & ~(TAB - 1); 178230557Sjimharris if (termwidth < 2 * colwidth) { 179230557Sjimharris printscol(dp); 180230557Sjimharris return; 181230557Sjimharris } 182230557Sjimharris 183230557Sjimharris numcols = termwidth / colwidth; 184230557Sjimharris numrows = num / numcols; 185230557Sjimharris if (num % numcols) 186230557Sjimharris ++numrows; 187230557Sjimharris 188230557Sjimharris if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 189230557Sjimharris (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 190230557Sjimharris for (row = 0; row < numrows; ++row) { 191230557Sjimharris endcol = colwidth; 192230557Sjimharris for (base = row, chcnt = col = 0; col < numcols; ++col) { 193230557Sjimharris chcnt += printaname(array[base], dp->s_inode, 194230557Sjimharris dp->s_block); 195230557Sjimharris if ((base += numrows) >= num) 196230557Sjimharris break; 197230557Sjimharris while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol){ 198230557Sjimharris (void)putchar('\t'); 199230557Sjimharris chcnt = cnt; 200230557Sjimharris } 201230557Sjimharris endcol += colwidth; 202230557Sjimharris } 203230557Sjimharris (void)putchar('\n'); 204230557Sjimharris } 205230557Sjimharris} 206230557Sjimharris 207230557Sjimharris/* 208230557Sjimharris * print [inode] [size] name 209230557Sjimharris * return # of characters printed, no trailing characters. 210230557Sjimharris */ 211230557Sjimharrisstatic int 212230557Sjimharrisprintaname(p, inodefield, sizefield) 213230557Sjimharris FTSENT *p; 214230557Sjimharris u_long sizefield, inodefield; 215230557Sjimharris{ 216230557Sjimharris struct stat *sp; 217230557Sjimharris int chcnt; 218230557Sjimharris 219230557Sjimharris sp = p->fts_statp; 220230557Sjimharris chcnt = 0; 221230557Sjimharris if (f_inode) 222230557Sjimharris chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino); 223230557Sjimharris if (f_size) 224230557Sjimharris chcnt += printf("%*qd ", 225230557Sjimharris (int)sizefield, howmany(sp->st_blocks, blocksize)); 226230557Sjimharris chcnt += f_octal ? prn_octal(p->fts_name) : printf("%s", p->fts_name); 227230557Sjimharris if (f_type) 228230557Sjimharris chcnt += printtype(sp->st_mode); 229230557Sjimharris return (chcnt); 230230557Sjimharris} 231230557Sjimharris 232230557Sjimharrisstatic void 233230557Sjimharrisprinttime(ftime) 234230557Sjimharris time_t ftime; 235230557Sjimharris{ 236230557Sjimharris int i; 237230557Sjimharris char longstring[80]; 238230557Sjimharris static time_t now; 239230557Sjimharris 240230557Sjimharris if (now == 0) 241230557Sjimharris now = time(NULL); 242230557Sjimharris 243230557Sjimharris strftime(longstring, sizeof(longstring), "%c", localtime(&ftime)); 244230557Sjimharris for (i = 4; i < 11; ++i) 245230557Sjimharris (void)putchar(longstring[i]); 246230557Sjimharris 247230557Sjimharris#define SIXMONTHS ((365 / 2) * 86400) 248230557Sjimharris if (f_sectime) 249230557Sjimharris for (i = 11; i < 24; i++) 250230557Sjimharris (void)putchar(longstring[i]); 251230557Sjimharris else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 252230557Sjimharris for (i = 11; i < 16; ++i) 253230557Sjimharris (void)putchar(longstring[i]); 254230557Sjimharris else { 255230557Sjimharris (void)putchar(' '); 256230557Sjimharris for (i = 20; i < 24; ++i) 257230557Sjimharris (void)putchar(longstring[i]); 258230557Sjimharris } 259230557Sjimharris (void)putchar(' '); 260230557Sjimharris} 261230557Sjimharris 262230557Sjimharrisstatic int 263230557Sjimharrisprinttype(mode) 264230557Sjimharris u_int mode; 265230557Sjimharris{ 266230557Sjimharris switch (mode & S_IFMT) { 267230557Sjimharris case S_IFDIR: 268230557Sjimharris (void)putchar('/'); 269230557Sjimharris return (1); 270230557Sjimharris case S_IFIFO: 271230557Sjimharris (void)putchar('|'); 272230557Sjimharris return (1); 273230557Sjimharris case S_IFLNK: 274230557Sjimharris (void)putchar('@'); 275230557Sjimharris return (1); 276230557Sjimharris case S_IFSOCK: 277230557Sjimharris (void)putchar('='); 278230557Sjimharris return (1); 279230557Sjimharris case S_IFWHT: 280230557Sjimharris (void)putchar('%'); 281230557Sjimharris return (1); 282230557Sjimharris } 283230557Sjimharris if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 284230557Sjimharris (void)putchar('*'); 285230557Sjimharris return (1); 286230557Sjimharris } 287230557Sjimharris return (0); 288230557Sjimharris} 289230557Sjimharris 290230557Sjimharrisstatic void 291230557Sjimharrisprintlink(p) 292230557Sjimharris FTSENT *p; 293230557Sjimharris{ 294230557Sjimharris int lnklen; 295230557Sjimharris char name[MAXPATHLEN + 1], path[MAXPATHLEN + 1]; 296230557Sjimharris 297230557Sjimharris if (p->fts_level == FTS_ROOTLEVEL) 298230557Sjimharris (void)snprintf(name, sizeof(name), "%s", p->fts_name); 299230557Sjimharris else 300230557Sjimharris (void)snprintf(name, sizeof(name), 301230557Sjimharris "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 302230557Sjimharris if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 303230557Sjimharris (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 304230557Sjimharris return; 305230557Sjimharris } 306230557Sjimharris path[lnklen] = '\0'; 307230557Sjimharris if (f_octal) { 308230557Sjimharris (void)printf(" -> "); 309230557Sjimharris (void)prn_octal(path); 310230557Sjimharris } 311230557Sjimharris else (void)printf(" -> %s", path); 312230557Sjimharris} 313230557Sjimharris