540 lines
12 KiB
C
540 lines
12 KiB
C
/*
|
|
* 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.
|
|
* 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
|
|
#if 0
|
|
static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94";
|
|
#else
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fts.h>
|
|
#include <grp.h>
|
|
#include <langinfo.h>
|
|
#include <pwd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#ifdef COLORLS
|
|
#include <ctype.h>
|
|
#include <termcap.h>
|
|
#include <signal.h>
|
|
#endif
|
|
|
|
#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));
|
|
#ifdef COLORLS
|
|
static void endcolor __P((int));
|
|
static int colortype __P((mode_t));
|
|
#endif
|
|
|
|
#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
|
|
|
|
#ifdef COLORLS
|
|
/* Most of these are taken from <sys/stat.h> */
|
|
typedef enum Colors {
|
|
C_DIR, /* directory */
|
|
C_LNK, /* symbolic link */
|
|
C_SOCK, /* socket */
|
|
C_FIFO, /* pipe */
|
|
C_EXEC, /* executable */
|
|
C_BLK, /* block special */
|
|
C_CHR, /* character special */
|
|
C_SUID, /* setuid executable */
|
|
C_SGID, /* setgid executable */
|
|
C_WSDIR, /* directory writeble to others, with sticky bit */
|
|
C_WDIR, /* directory writeble to others, without sticky bit */
|
|
C_NUMCOLORS /* just a place-holder */
|
|
} Colors ;
|
|
|
|
char *defcolors = "exfxcxdxbxegedabagacad";
|
|
|
|
/* colors for file types */
|
|
static struct {
|
|
int num[2];
|
|
int bold;
|
|
} colors[C_NUMCOLORS];
|
|
|
|
#endif
|
|
|
|
void
|
|
printscol(dp)
|
|
DISPLAY *dp;
|
|
{
|
|
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');
|
|
}
|
|
}
|
|
|
|
/*
|
|
* print name in current style
|
|
*/
|
|
static int
|
|
printname(name)
|
|
const char *name;
|
|
{
|
|
if (f_octal || f_octal_escape)
|
|
return prn_octal(name);
|
|
else if (f_nonprint)
|
|
return prn_printable(name);
|
|
else
|
|
return printf("%s", name);
|
|
}
|
|
|
|
void
|
|
printlong(dp)
|
|
DISPLAY *dp;
|
|
{
|
|
struct stat *sp;
|
|
FTSENT *p;
|
|
NAMES *np;
|
|
char buf[20];
|
|
#ifdef COLORLS
|
|
int color_printed = 0;
|
|
#endif
|
|
|
|
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, (u_long)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 (f_lomac)
|
|
(void)printf("%-*s ", dp->s_lattr, np->lattr);
|
|
if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
|
|
if (minor(sp->st_rdev) > 255 || minor(sp->st_rdev) < 0)
|
|
(void)printf("%3d, 0x%08x ",
|
|
major(sp->st_rdev),
|
|
(u_int)minor(sp->st_rdev));
|
|
else
|
|
(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);
|
|
#ifdef COLORLS
|
|
if (f_color)
|
|
color_printed = colortype(sp->st_mode);
|
|
#endif
|
|
(void)printname(p->fts_name);
|
|
#ifdef COLORLS
|
|
if (f_color && color_printed)
|
|
endcolor(0);
|
|
#endif
|
|
if (f_type)
|
|
(void)printtype(sp->st_mode);
|
|
if (S_ISLNK(sp->st_mode))
|
|
printlink(p);
|
|
(void)putchar('\n');
|
|
}
|
|
}
|
|
|
|
void
|
|
printcol(dp)
|
|
DISPLAY *dp;
|
|
{
|
|
extern int termwidth;
|
|
static FTSENT **array;
|
|
static int lastentries = -1;
|
|
FTSENT *p;
|
|
int base, chcnt, cnt, col, colwidth, num;
|
|
int endcol, numcols, numrows, row;
|
|
int tabwidth;
|
|
|
|
if (f_notabs)
|
|
tabwidth = 1;
|
|
else
|
|
tabwidth = 8;
|
|
|
|
/*
|
|
* 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) {
|
|
warn(NULL);
|
|
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 + tabwidth) & ~(tabwidth - 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 + tabwidth) & ~(tabwidth - 1)))
|
|
<= endcol){
|
|
(void)putchar(f_notabs ? ' ' : '\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)
|
|
FTSENT *p;
|
|
u_long sizefield, inodefield;
|
|
{
|
|
struct stat *sp;
|
|
int chcnt;
|
|
#ifdef COLORLS
|
|
int color_printed = 0;
|
|
#endif
|
|
|
|
sp = p->fts_statp;
|
|
chcnt = 0;
|
|
if (f_inode)
|
|
chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino);
|
|
if (f_size)
|
|
chcnt += printf("%*qd ",
|
|
(int)sizefield, howmany(sp->st_blocks, blocksize));
|
|
#ifdef COLORLS
|
|
if (f_color)
|
|
color_printed = colortype(sp->st_mode);
|
|
#endif
|
|
chcnt += printname(p->fts_name);
|
|
#ifdef COLORLS
|
|
if (f_color && color_printed)
|
|
endcolor(0);
|
|
#endif
|
|
if (f_type)
|
|
chcnt += printtype(sp->st_mode);
|
|
return (chcnt);
|
|
}
|
|
|
|
static void
|
|
printtime(ftime)
|
|
time_t ftime;
|
|
{
|
|
char longstring[80];
|
|
static time_t now;
|
|
const char *format;
|
|
static int d_first = -1;
|
|
|
|
if (d_first < 0)
|
|
d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
|
|
if (now == 0)
|
|
now = time(NULL);
|
|
|
|
#define SIXMONTHS ((365 / 2) * 86400)
|
|
if (f_sectime)
|
|
/* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */
|
|
format = d_first ? "%e %b %T %Y " : "%b %e %T %Y ";
|
|
else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS)
|
|
/* mmm dd hh:mm || dd mmm hh:mm */
|
|
format = d_first ? "%e %b %R " : "%b %e %R ";
|
|
else
|
|
/* mmm dd yyyy || dd mmm yyyy */
|
|
format = d_first ? "%e %b %Y " : "%b %e %Y ";
|
|
strftime(longstring, sizeof(longstring), format, localtime(&ftime));
|
|
fputs(longstring, stdout);
|
|
}
|
|
|
|
static int
|
|
printtype(mode)
|
|
u_int mode;
|
|
{
|
|
switch (mode & S_IFMT) {
|
|
case S_IFDIR:
|
|
(void)putchar('/');
|
|
return (1);
|
|
case S_IFIFO:
|
|
(void)putchar('|');
|
|
return (1);
|
|
case S_IFLNK:
|
|
(void)putchar('@');
|
|
return (1);
|
|
case S_IFSOCK:
|
|
(void)putchar('=');
|
|
return (1);
|
|
case S_IFWHT:
|
|
(void)putchar('%');
|
|
return (1);
|
|
}
|
|
if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
|
|
(void)putchar('*');
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
#ifdef COLORLS
|
|
static int
|
|
putch(c)
|
|
int c;
|
|
{
|
|
(void) putchar(c);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
writech(c)
|
|
int c;
|
|
{
|
|
char tmp = c;
|
|
|
|
(void) write(STDOUT_FILENO, &tmp, 1);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
printcolor(c)
|
|
Colors c;
|
|
{
|
|
char *ansiseq;
|
|
|
|
if (colors[c].bold)
|
|
tputs(enter_bold, 1, putch);
|
|
|
|
if (colors[c].num[0] != -1) {
|
|
ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
|
|
if (ansiseq)
|
|
tputs(ansiseq, 1, putch);
|
|
}
|
|
|
|
if (colors[c].num[1] != -1) {
|
|
ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]);
|
|
if (ansiseq)
|
|
tputs(ansiseq, 1, putch);
|
|
}
|
|
}
|
|
|
|
static void
|
|
endcolor(sig)
|
|
int sig;
|
|
{
|
|
tputs(ansi_coloff, 1, sig ? writech : putch);
|
|
tputs(attrs_off, 1, sig ? writech : putch);
|
|
}
|
|
|
|
static int
|
|
colortype(mode)
|
|
mode_t mode;
|
|
{
|
|
switch(mode & S_IFMT) {
|
|
case S_IFDIR:
|
|
if (mode & S_IWOTH)
|
|
if (mode & S_ISTXT)
|
|
printcolor(C_WSDIR);
|
|
else
|
|
printcolor(C_WDIR);
|
|
else
|
|
printcolor(C_DIR);
|
|
return(1);
|
|
case S_IFLNK:
|
|
printcolor(C_LNK);
|
|
return(1);
|
|
case S_IFSOCK:
|
|
printcolor(C_SOCK);
|
|
return(1);
|
|
case S_IFIFO:
|
|
printcolor(C_FIFO);
|
|
return(1);
|
|
case S_IFBLK:
|
|
printcolor(C_BLK);
|
|
return(1);
|
|
case S_IFCHR:
|
|
printcolor(C_CHR);
|
|
return(1);
|
|
}
|
|
if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
|
|
if (mode & S_ISUID)
|
|
printcolor(C_SUID);
|
|
else if (mode & S_ISGID)
|
|
printcolor(C_SGID);
|
|
else
|
|
printcolor(C_EXEC);
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
void
|
|
parsecolors(cs)
|
|
char *cs;
|
|
{
|
|
int i, j, len;
|
|
char c[2];
|
|
short legacy_warn = 0;
|
|
|
|
if (cs == NULL) cs = ""; /* LSCOLORS not set */
|
|
len = strlen(cs);
|
|
for (i = 0 ; i < C_NUMCOLORS ; i++) {
|
|
colors[i].bold = 0;
|
|
|
|
if (len <= 2*i) {
|
|
c[0] = defcolors[2*i];
|
|
c[1] = defcolors[2*i+1];
|
|
}
|
|
else {
|
|
c[0] = cs[2*i];
|
|
c[1] = cs[2*i+1];
|
|
}
|
|
for (j = 0 ; j < 2 ; j++) {
|
|
/* Legacy colours used 0-7 */
|
|
if (c[j] >= '0' && c[j] <= '7') {
|
|
colors[i].num[j] = c[j] - '0';
|
|
if (!legacy_warn) {
|
|
fprintf(stderr,
|
|
"warn: colors are now defined "
|
|
"using a-h instead of 0-9. "
|
|
"see manual page.\n");
|
|
}
|
|
legacy_warn = 1;
|
|
} else if (c[j] >= 'a' && c[j] <= 'h')
|
|
colors[i].num[j] = c[j] - 'a';
|
|
else if (c[j] >= 'A' && c[j] <= 'H') {
|
|
colors[i].num[j] = c[j] - 'A';
|
|
colors[i].bold = 1;
|
|
} else if (tolower((unsigned char)c[j] == 'x'))
|
|
colors[i].num[j] = -1;
|
|
else {
|
|
fprintf(stderr,
|
|
"error: invalid character '%c' in LSCOLORS"
|
|
" env var\n", c[j]);
|
|
colors[i].num[j] = -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
colorquit(sig)
|
|
int sig;
|
|
{
|
|
endcolor(sig);
|
|
|
|
(void) signal(sig, SIG_DFL);
|
|
(void) kill(getpid(), sig);
|
|
}
|
|
#endif /*COLORLS*/
|
|
|
|
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_parent->fts_accpath, p->fts_name);
|
|
if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
|
|
(void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
|
|
return;
|
|
}
|
|
path[lnklen] = '\0';
|
|
(void)printf(" -> ");
|
|
printname(path);
|
|
}
|