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tree.c
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tree.c
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/* $Copyright: $
* Copyright (c) 1996 - 2014 by Steve Baker ([email protected])
* All Rights reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tree.h"
static char *version ="$Version: $ tree v1.7.0 (c) 1996 - 2014 by Steve Baker, Thomas Moore, Francesc Rocher, Florian Sesser, Kyosuke Tokoro $";
static char *hversion="\t\t tree v1.7.0 %s 1996 - 2014 by Steve Baker and Thomas Moore <br>\n"
"\t\t HTML output hacked and copyleft %s 1998 by Francesc Rocher <br>\n"
"\t\t JSON output hacked and copyleft %s 2014 by Florian Sesser <br>\n"
"\t\t Charsets / OS/2 support %s 2001 by Kyosuke Tokoro\n";
/* Globals */
bool dflag, lflag, pflag, sflag, Fflag, aflag, fflag, uflag, gflag;
bool qflag, Nflag, Qflag, Dflag, inodeflag, devflag, hflag, Rflag;
bool Hflag, siflag, cflag, Xflag, Jflag, duflag, pruneflag;
bool noindent, force_color, nocolor, xdev, noreport, nolinks, flimit, dirsfirst;
bool ignorecase, matchdirs;
bool reverse;
char *pattern = NULL, *ipattern = NULL, *host = NULL, *title = "Directory Tree", *sp = " ", *_nl = "\n";
char *timefmt = NULL;
const char *charset = NULL;
off_t (*listdir)(char *, int *, int *, u_long, dev_t) = unix_listdir;
int (*cmpfunc)() = alnumsort;
char *sLevel, *curdir, *outfilename = NULL;
FILE *outfile;
int Level, *dirs, maxdirs;
int mb_cur_max;
#ifdef __EMX__
const u_short ifmt[]={ FILE_ARCHIVED, FILE_DIRECTORY, FILE_SYSTEM, FILE_HIDDEN, FILE_READONLY, 0};
#else
#ifdef S_IFPORT
const u_int ifmt[] = {S_IFREG, S_IFDIR, S_IFLNK, S_IFCHR, S_IFBLK, S_IFSOCK, S_IFIFO, S_IFDOOR, S_IFPORT, 0};
const char fmt[] = "-dlcbspDP?";
const char *ftype[] = {"file", "directory", "link", "char", "block", "socket", "fifo", "door", "port", "unknown", NULL};
#else
const u_int ifmt[] = {S_IFREG, S_IFDIR, S_IFLNK, S_IFCHR, S_IFBLK, S_IFSOCK, S_IFIFO, 0};
const char fmt[] = "-dlcbsp?";
const char *ftype[] = {"file", "directory", "link", "char", "block", "socket", "fifo", "unknown", NULL};
#endif
#endif
struct sorts {
char *name;
int (*cmpfunc)();
} sorts[] = {
{"name", alnumsort},
{"version", versort},
{"size", fsizesort},
{"mtime", mtimesort},
{"ctime", ctimesort},
{NULL, NULL}
};
/* Externs */
/* hash.c */
extern struct xtable *gtable[256], *utable[256];
extern struct inotable *itable[256];
/* color.c */
extern bool colorize, ansilines, linktargetcolor;
extern char *leftcode, *rightcode, *endcode;
extern const struct linedraw *linedraw;
int main(int argc, char **argv)
{
char **dirname = NULL;
int i,j=0,k,n,optf,p,q,dtotal,ftotal,colored = FALSE;
struct stat st;
char sizebuf[64], *stmp;
off_t size = 0;
mode_t mt;
bool needfulltree;
q = p = dtotal = ftotal = 0;
aflag = dflag = fflag = lflag = pflag = sflag = Fflag = uflag = gflag = FALSE;
Dflag = qflag = Nflag = Qflag = Rflag = hflag = Hflag = siflag = cflag = FALSE;
noindent = force_color = nocolor = xdev = noreport = nolinks = reverse = FALSE;
ignorecase = matchdirs = dirsfirst = inodeflag = devflag = Xflag = Jflag = FALSE;
duflag = pruneflag = FALSE;
flimit = 0;
dirs = xmalloc(sizeof(int) * (maxdirs=4096));
memset(dirs, 0, sizeof(int) * maxdirs);
dirs[0] = 0;
Level = -1;
setlocale(LC_CTYPE, "");
setlocale(LC_COLLATE, "");
charset = getcharset();
if (charset == NULL && strcmp(nl_langinfo(CODESET), "UTF-8") == 0) {
charset = "UTF-8";
}
/* Until I get rid of this hack, make it linux/cygwin/HP nonstop only: */
#if defined (LINUX) || defined (CYGWIN) || defined (__TANDEM)
mb_cur_max = (int)MB_CUR_MAX;
#else
mb_cur_max = 1;
#endif
memset(utable,0,sizeof(utable));
memset(gtable,0,sizeof(gtable));
memset(itable,0,sizeof(itable));
optf = TRUE;
for(n=i=1;i<argc;i=n) {
n++;
if (optf && argv[i][0] == '-' && argv[i][1]) {
for(j=1;argv[i][j];j++) {
switch(argv[i][j]) {
case 'N':
Nflag = TRUE;
break;
case 'q':
qflag = TRUE;
break;
case 'Q':
Qflag = TRUE;
break;
case 'd':
dflag = TRUE;
break;
case 'l':
lflag = TRUE;
break;
case 's':
sflag = TRUE;
break;
case 'h':
hflag = TRUE;
sflag = TRUE; /* Assume they also want -s */
break;
case 'u':
uflag = TRUE;
break;
case 'g':
gflag = TRUE;
break;
case 'f':
fflag = TRUE;
break;
case 'F':
Fflag = TRUE;
break;
case 'a':
aflag = TRUE;
break;
case 'p':
pflag = TRUE;
break;
case 'i':
noindent = TRUE;
_nl = "";
break;
case 'C':
force_color = TRUE;
break;
case 'n':
nocolor = TRUE;
break;
case 'x':
xdev = TRUE;
break;
case 'P':
if (argv[n] == NULL) {
fprintf(stderr,"tree: missing argument to -P option.\n");
exit(1);
}
pattern = argv[n++];
break;
case 'I':
if (argv[n] == NULL) {
fprintf(stderr,"tree: missing argument to -I option.\n");
exit(1);
}
ipattern = argv[n++];
break;
case 'A':
ansilines = TRUE;
break;
case 'S':
charset = "IBM437";
break;
case 'D':
Dflag = TRUE;
break;
case 't':
cmpfunc = mtimesort;
break;
case 'c':
cmpfunc = ctimesort;
cflag = TRUE;
break;
case 'r':
reverse = TRUE;
break;
case 'v':
cmpfunc = versort;
break;
case 'U':
cmpfunc = NULL;
break;
case 'X':
Hflag = FALSE;
Xflag = TRUE;
break;
case 'J':
Jflag = TRUE;
break;
case 'H':
Hflag = TRUE;
Xflag = FALSE;
if (argv[n] == NULL) {
fprintf(stderr,"tree: missing argument to -H option.\n");
exit(1);
}
host = argv[n++];
sp = " ";
break;
case 'T':
if (argv[n] == NULL) {
fprintf(stderr,"tree: missing argument to -T option.\n");
exit(1);
}
title = argv[n++];
break;
case 'R':
Rflag = TRUE;
break;
case 'L':
if ((sLevel = argv[n++]) == NULL) {
fprintf(stderr,"tree: Missing argument to -L option.\n");
exit(1);
}
Level = strtoul(sLevel,NULL,0)-1;
if (Level < 0) {
fprintf(stderr,"tree: Invalid level, must be greater than 0.\n");
exit(1);
}
break;
case 'o':
if (argv[n] == NULL) {
fprintf(stderr,"tree: missing argument to -o option.\n");
exit(1);
}
outfilename = argv[n++];
break;
case '-':
if (j == 1) {
if (!strcmp("--", argv[i])) {
optf = FALSE;
break;
}
if (!strcmp("--help",argv[i])) {
usage(2);
exit(0);
}
if (!strcmp("--version",argv[i])) {
char *v = version+12;
printf("%.*s\n",(int)strlen(v)-1,v);
exit(0);
}
if (!strcmp("--inodes",argv[i])) {
j = strlen(argv[i])-1;
inodeflag=TRUE;
break;
}
if (!strcmp("--device",argv[i])) {
j = strlen(argv[i])-1;
devflag=TRUE;
break;
}
if (!strcmp("--noreport",argv[i])) {
j = strlen(argv[i])-1;
noreport = TRUE;
break;
}
if (!strcmp("--nolinks",argv[i])) {
j = strlen(argv[i])-1;
nolinks = TRUE;
break;
}
if (!strcmp("--dirsfirst",argv[i])) {
j = strlen(argv[i])-1;
dirsfirst = TRUE;
break;
}
if (!strncmp("--filelimit",argv[i],11)) {
j = 11;
if (*(argv[i]+11) == '=') {
if (*(argv[i]+12)) {
flimit=atoi(argv[i]+12);
j = strlen(argv[i])-1;
break;
}
}
if (argv[n] != NULL) {
flimit = atoi(argv[n++]);
j = strlen(argv[i])-1;
} else {
fprintf(stderr,"tree: missing argument to --filelimit\n");
exit(1);
}
break;
}
if (!strncmp("--charset",argv[i],9)){
j = 9;
if (*(argv[i]+j) == '=') {
if (*(charset = (argv[i]+10))) {
j = strlen(argv[i])-1;
break;
}
}
if (argv[n] != NULL) {
charset = argv[n++];
j = strlen(argv[i])-1;
} else {
initlinedraw(1);
exit(1);
}
break;
}
if (!strncmp("--si", argv[i], 4)) {
j = strlen(argv[i])-1;
sflag = TRUE;
hflag = TRUE;
siflag = TRUE;
break;
}
if (!strncmp("--du",argv[i],4)) {
j = strlen(argv[i])-1;
sflag = TRUE;
duflag = TRUE;
break;
}
if (!strncmp("--prune",argv[i],7)) {
j = strlen(argv[i])-1;
pruneflag = TRUE;
break;
}
if (!strncmp("--timefmt",argv[i],9)) {
j = 9;
if (*(argv[i]+j) == '=') {
if (*(argv[i]+ (++j))) {
timefmt=scopy(argv[i]+j);
j = strlen(argv[i])-1;
break;
}
} else if (argv[n] != NULL) {
timefmt = scopy(argv[n]);
n++;
j = strlen(argv[i])-1;
} else {
fprintf(stderr,"tree: missing argument to --timefmt\n");
exit(1);
}
Dflag = TRUE;
break;
}
if (!strncmp("--ignore-case",argv[i],13)) {
j = strlen(argv[i])-1;
ignorecase = TRUE;
break;
}
if (!strncmp("--matchdirs",argv[i],11)) {
j = strlen(argv[i])-1;
matchdirs = TRUE;
break;
}
if (!strncmp("--sort",argv[i],6)) {
j = 6;
if (*(argv[i]+j) == '=') {
if (*(argv[i]+(++j))) {
stmp = argv[i]+j;
j = strlen(argv[i])-1;
} else {
fprintf(stderr,"tree: missing argument to --sort=\n");
exit(1);
}
} else if (argv[n] != NULL) {
stmp = argv[n++];
} else {
fprintf(stderr,"tree: missing argument to --sort\n");
exit(1);
}
cmpfunc = (void *)1;
for(k=0;sorts[k].name;k++) {
if (strcasecmp(sorts[k].name,stmp) == 0) {
cmpfunc = sorts[k].cmpfunc;
break;
}
}
if (cmpfunc == (void *)1) {
fprintf(stderr,"tree: sort type '%s' not valid, should be one of: ", stmp);
for(k=0; sorts[k].name; k++)
printf("%s%c", sorts[k].name, sorts[k+1].name? ',': '\n');
exit(1);
}
break;
}
}
default:
fprintf(stderr,"tree: Invalid argument -`%c'.\n",argv[i][j]);
usage(1);
exit(1);
break;
}
}
} else {
if (!dirname) dirname = (char **)xmalloc(sizeof(char *) * (q=MINIT));
else if (p == (q-2)) dirname = (char **)xrealloc(dirname,sizeof(char *) * (q+=MINC));
dirname[p++] = scopy(argv[i]);
}
}
if (p) dirname[p] = NULL;
if (outfilename == NULL) {
#ifdef __EMX__
_fsetmode(outfile=stdout,Hflag?"b":"t");
#else
outfile = stdout;
#endif
} else {
#ifdef __EMX__
outfile = fopen(outfilename,Hflag?"wb":"wt");
#else
outfile = fopen(outfilename,"w");
#endif
if (outfile == NULL) {
fprintf(stderr,"tree: invalid filename '%s'\n",outfilename);
exit(1);
}
}
parse_dir_colors();
initlinedraw(0);
needfulltree = duflag || pruneflag || matchdirs;
/* Set our listdir function and sanity check options. */
if (Hflag) {
listdir = needfulltree ? html_rlistdir : html_listdir;
Xflag = FALSE;
} else if (Xflag) {
listdir = needfulltree ? xml_rlistdir : xml_listdir;
colorize = FALSE;
colored = FALSE; /* Do people want colored XML output? */
} else if (Jflag) {
listdir = needfulltree ? json_rlistdir : json_listdir;
colorize = FALSE;
colored = FALSE; /* Do people want colored JSON output? */
} else {
listdir = needfulltree ? unix_rlistdir : unix_listdir;
}
if (dflag) pruneflag = FALSE; /* You'll just get nothing otherwise. */
if (Rflag && (Level == -1))
Rflag = FALSE;
if (Hflag) {
emit_html_header(charset, title, version);
fflag = FALSE;
if (nolinks) {
if (force_color) fprintf(outfile, "<b class=\"NORM\">%s</b>",host);
else fprintf(outfile,"%s",host);
} else {
if (force_color) fprintf(outfile,"<a class=\"NORM\" href=\"%s\">%s</a>",host,host);
else fprintf(outfile,"<a href=\"%s\">%s</a>",host,host);
}
curdir = gnu_getcwd();
} else if (Xflag) {
fprintf(outfile,"<?xml version=\"1.0\"");
if (charset) fprintf(outfile," encoding=\"%s\"",charset);
fprintf(outfile,"?>%s<tree>%s",_nl,_nl);
} else if (Jflag)
fputc('[',outfile);
if (dirname) {
for(colored=i=0;dirname[i];i++,colored=0) {
if (fflag) {
do {
j=strlen(dirname[i]);
if (j > 1 && dirname[i][j-1] == '/') dirname[i][--j] = 0;
} while (j > 1 && dirname[i][j-1] == '/');
}
if ((n = lstat(dirname[i],&st)) >= 0) {
saveino(st.st_ino, st.st_dev);
if (colorize) colored = color(st.st_mode,dirname[i],n<0,FALSE);
size += st.st_size;
}
if (Xflag || Jflag) {
mt = st.st_mode & S_IFMT;
for(j=0;ifmt[j];j++)
if (ifmt[j] == mt) break;
if (Xflag)
fprintf(outfile,"%s<%s name=\"%s\">", noindent?"":" ", ftype[j], dirname[i]);
else if (Jflag) {
if (i) fprintf(outfile, ",");
fprintf(outfile,"%s{\"type\":\"%s\",\"name\":\"%s\",\"contents\":[", noindent?"":"\n ", ftype[j], dirname[i]);
}
} else if (!Hflag) printit(dirname[i]);
if (colored) fprintf(outfile,"%s",endcode);
if (!Hflag) size += listdir(dirname[i],&dtotal,&ftotal,0,0);
else {
if (chdir(dirname[i])) {
fprintf(outfile,"%s [error opening dir]\n",dirname[i]);
exit(1);
} else {
size += listdir(".",&dtotal,&ftotal,0,0);
chdir(curdir);
}
}
if (Xflag) fprintf(outfile,"%s</%s>\n",noindent?"":" ", ftype[j]);
if (Jflag) fprintf(outfile,"%s]}",noindent?"":" ");
}
} else {
if ((n = lstat(".",&st)) >= 0) {
saveino(st.st_ino, st.st_dev);
if (colorize) colored = color(st.st_mode,".",n<0,FALSE);
size = st.st_size;
}
if (Xflag) fprintf(outfile,"%s<directory name=\".\">",noindent?"":" ");
else if (Jflag) fprintf(outfile, "{\"type\":\"directory\",\"name\": \".\",\"contents\":[");
else if (!Hflag) fprintf(outfile,".");
if (colored) fprintf(outfile,"%s",endcode);
size += listdir(".",&dtotal,&ftotal,0,0);
if (Xflag) fprintf(outfile,"%s</directory>%s",noindent?"":" ", _nl);
if (Jflag) fprintf(outfile,"%s]}",noindent?"":" ");
}
if (Hflag)
fprintf(outfile,"\t<br><br>\n\t</p>\n\t<p>\n");
if (!noreport) {
if (Xflag) {
fprintf(outfile,"%s<report>%s",noindent?"":" ", _nl);
if (duflag) fprintf(outfile,"%s<size>%lld</size>%s", noindent?"":" ", (long long int)size, _nl);
fprintf(outfile,"%s<directories>%d</directories>%s", noindent?"":" ", dtotal, _nl);
if (!dflag) fprintf(outfile,"%s<files>%d</files>%s", noindent?"":" ", ftotal, _nl);
fprintf(outfile,"%s</report>%s",noindent?"":" ", _nl);
} else if (Jflag) {
fprintf(outfile, ",%s{\"type\":\"report\"",noindent?"":"\n ");
if (duflag) fprintf(outfile,",\"size\":%lld", (long long int)size);
fprintf(outfile,",\"directories\":%d", dtotal);
if (!dflag) fprintf(outfile,",\"files\":%d", ftotal);
fprintf(outfile, "}");
} else {
if (duflag) {
psize(sizebuf, size);
fprintf(outfile,"\n%s%s used in ", sizebuf, hflag || siflag? "" : " bytes");
} else fputc('\n', outfile);
if (dflag)
fprintf(outfile,"%d director%s\n",dtotal,(dtotal==1? "y":"ies"));
else
fprintf(outfile,"%d director%s, %d file%s\n",dtotal,(dtotal==1? "y":"ies"),ftotal,(ftotal==1? "":"s"));
}
}
if (Hflag) {
fprintf(outfile,"\t<br><br>\n\t</p>\n");
fprintf(outfile,"\t<hr>\n");
fprintf(outfile,"\t<p class=\"VERSION\">\n");
fprintf(outfile,hversion,linedraw->copy, linedraw->copy, linedraw->copy, linedraw->copy);
fprintf(outfile,"\t</p>\n");
fprintf(outfile,"</body>\n");
fprintf(outfile,"</html>\n");
} else if (Xflag) {
fprintf(outfile,"</tree>\n");
} else if (Jflag) {
fprintf(outfile, "%s]\n",_nl);
}
if (outfilename != NULL) fclose(outfile);
return 0;
}
void usage(int n)
{
/* 123456789!123456789!123456789!123456789!123456789!123456789!123456789!123456789! */
/* \t9!123456789!123456789!123456789!123456789!123456789!123456789!123456789! */
fprintf(n < 2? stderr: stdout,
"usage: tree [-acdfghilnpqrstuvxACDFJQNSUX] [-H baseHREF] [-T title ]\n"
"\t[-L level [-R]] [-P pattern] [-I pattern] [-o filename] [--version]\n"
"\t[--help] [--inodes] [--device] [--noreport] [--nolinks] [--dirsfirst]\n"
"\t[--charset charset] [--filelimit[=]#] [--si] [--timefmt[=]<f>]\n"
"\t[--sort[=]<name>] [--matchdirs] [--ignore-case] [--] [<directory list>]\n");
if (n < 2) return;
fprintf(stdout,
" ------- Listing options -------\n"
" -a All files are listed.\n"
" -d List directories only.\n"
" -l Follow symbolic links like directories.\n"
" -f Print the full path prefix for each file.\n"
" -x Stay on current filesystem only.\n"
" -L level Descend only level directories deep.\n"
" -R Rerun tree when max dir level reached.\n"
" -P pattern List only those files that match the pattern given.\n"
" -I pattern Do not list files that match the given pattern.\n"
" --ignore-case Ignore case when pattern matching.\n"
" --matchdirs Include directory names in -P pattern matching.\n"
" --noreport Turn off file/directory count at end of tree listing.\n"
" --charset X Use charset X for terminal/HTML and indentation line output.\n"
" --filelimit # Do not descend dirs with more than # files in them.\n"
" --timefmt <f> Print and format time according to the format <f>.\n"
" -o filename Output to file instead of stdout.\n"
" -------- File options ---------\n"
" -q Print non-printable characters as '?'.\n"
" -N Print non-printable characters as is.\n"
" -Q Quote filenames with double quotes.\n"
" -p Print the protections for each file.\n"
" -u Displays file owner or UID number.\n"
" -g Displays file group owner or GID number.\n"
" -s Print the size in bytes of each file.\n"
" -h Print the size in a more human readable way.\n"
" --si Like -h, but use in SI units (powers of 1000).\n"
" -D Print the date of last modification or (-c) status change.\n"
" -F Appends '/', '=', '*', '@', '|' or '>' as per ls -F.\n"
" --inodes Print inode number of each file.\n"
" --device Print device ID number to which each file belongs.\n"
" ------- Sorting options -------\n"
" -v Sort files alphanumerically by version.\n"
" -t Sort files by last modification time.\n"
" -c Sort files by last status change time.\n"
" -U Leave files unsorted.\n"
" -r Reverse the order of the sort.\n"
" --dirsfirst List directories before files (-U disables).\n"
" --sort X Select sort: name,version,size,mtime,ctime.\n"
" ------- Graphics options ------\n"
" -i Don't print indentation lines.\n"
" -A Print ANSI lines graphic indentation lines.\n"
" -S Print with CP437 (console) graphics indentation lines.\n"
" -n Turn colorization off always (-C overrides).\n"
" -C Turn colorization on always.\n"
" ------- XML/HTML/JSON options -------\n"
" -X Prints out an XML representation of the tree.\n"
" -J Prints out an JSON representation of the tree.\n"
" -H baseHREF Prints out HTML format with baseHREF as top directory.\n"
" -T string Replace the default HTML title and H1 header with string.\n"
" --nolinks Turn off hyperlinks in HTML output.\n"
" ---- Miscellaneous options ----\n"
" --version Print version and exit.\n"
" --help Print usage and this help message and exit.\n"
" -- Options processing terminator.\n");
exit(0);
}
struct _info **read_dir(char *dir, int *n)
{
static char *path = NULL, *lbuf = NULL;
static long pathsize, lbufsize;
struct _info **dl;
struct dirent *ent;
struct stat lst,st;
DIR *d;
int ne, p = 0, len, rs;
if (path == NULL) {
pathsize = lbufsize = strlen(dir)+4096;
path=xmalloc(pathsize);
lbuf=xmalloc(lbufsize);
}
*n = 1;
if ((d=opendir(dir)) == NULL) return NULL;
dl = (struct _info **)xmalloc(sizeof(struct _info *) * (ne = MINIT));
while((ent = (struct dirent *)readdir(d))) {
if (!strcmp("..",ent->d_name) || !strcmp(".",ent->d_name)) continue;
if (Hflag && !strcmp(ent->d_name,"00Tree.html")) continue;
if (!aflag && ent->d_name[0] == '.') continue;
if (strlen(dir)+strlen(ent->d_name)+2 > pathsize) path = xrealloc(path,pathsize=(strlen(dir)+strlen(ent->d_name)+4096));
sprintf(path,"%s/%s",dir,ent->d_name);
if (lstat(path,&lst) < 0) continue;
if ((lst.st_mode & S_IFMT) == S_IFLNK) {
if ((rs = stat(path,&st)) < 0) st.st_mode = 0;
} else {
rs = 0;
st.st_mode = lst.st_mode;
st.st_dev = lst.st_dev;
st.st_ino = lst.st_ino;
}
#ifndef __EMX__
if ((lst.st_mode & S_IFMT) != S_IFDIR && !(((lst.st_mode & S_IFMT) == S_IFLNK) && lflag)) {
if (pattern && patmatch(ent->d_name,pattern) != 1) continue;
}
if (ipattern && patmatch(ent->d_name,ipattern) == 1) continue;
#endif
if (dflag && ((st.st_mode & S_IFMT) != S_IFDIR)) continue;
#ifndef __EMX__
if (pattern && ((lst.st_mode & S_IFMT) == S_IFLNK) && !lflag) continue;
#endif
if (p == (ne-1)) dl = (struct _info **)xrealloc(dl,sizeof(struct _info *) * (ne += MINC));
dl[p] = (struct _info *)xmalloc(sizeof(struct _info));
dl[p]->name = scopy(ent->d_name);
/* We should just incorporate struct stat into _info, and elminate this unecessary copying.
* Made sense long ago when we had fewer options and didn't need half of stat.
*/
dl[p]->mode = lst.st_mode;
dl[p]->uid = lst.st_uid;
dl[p]->gid = lst.st_gid;
dl[p]->size = lst.st_size;
dl[p]->dev = st.st_dev;
dl[p]->inode = st.st_ino;
dl[p]->lnk = NULL;
dl[p]->orphan = FALSE;
dl[p]->err = NULL;
dl[p]->child = NULL;
dl[p]->atime = lst.st_atime;
dl[p]->ctime = lst.st_ctime;
dl[p]->mtime = lst.st_mtime;
#ifdef __EMX__
dl[p]->attr = lst.st_attr;
#else
if ((lst.st_mode & S_IFMT) == S_IFLNK) {
if (lst.st_size+1 > lbufsize) lbuf = xrealloc(lbuf,lbufsize=(lst.st_size+8192));
if ((len=readlink(path,lbuf,lbufsize-1)) < 0) {
dl[p]->lnk = scopy("[Error reading symbolic link information]");
dl[p]->isdir = FALSE;
dl[p++]->lnkmode = st.st_mode;
continue;
} else {
lbuf[len] = 0;
dl[p]->lnk = scopy(lbuf);
if (rs < 0) dl[p]->orphan = TRUE;
dl[p]->lnkmode = st.st_mode;
}
}
#endif
/* These should be elminiated, as they're barely used */
dl[p]->isdir = ((st.st_mode & S_IFMT) == S_IFDIR);
dl[p]->issok = ((st.st_mode & S_IFMT) == S_IFSOCK);
dl[p]->isfifo = ((st.st_mode & S_IFMT) == S_IFIFO);
dl[p++]->isexe = (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) ? 1 : 0;
}
closedir(d);
*n = p;
dl[p] = NULL;
return dl;
}
/* This is for all the impossible things people wanted the old tree to do.
* This can and will use a large amount of memory for large directory trees
* and also take some time.
*/
struct _info **getfulltree(char *d, u_long lev, dev_t dev, off_t *size, char **err)
{
char *path;
long pathsize = 0;
struct _info **dir, **sav, **p, *sp;
struct stat sb;
int n;
u_long lev_tmp;
char *tmp_pattern = NULL, *start_rel_path;
*err = NULL;
if (Level >= 0 && lev > Level) return NULL;
if (xdev && lev == 0) {
stat(d,&sb);
dev = sb.st_dev;
}
// if the directory name matches, turn off pattern matching for contents
if (matchdirs && pattern) {
lev_tmp = lev;
start_rel_path = d + strlen(d);
for (start_rel_path = d + strlen(d); start_rel_path != d; --start_rel_path) {
if (*start_rel_path == '/')
--lev_tmp;
if (lev_tmp <= 0) {
if (*start_rel_path)
++start_rel_path;
break;
}
}
if (*start_rel_path && patmatch(start_rel_path,pattern) == 1) {
tmp_pattern = pattern;
pattern = NULL;
}
}
sav = dir = read_dir(d,&n);
if (tmp_pattern) {
pattern = tmp_pattern;
tmp_pattern = NULL;
}
if (dir == NULL) {
*err = scopy("error opening dir");
return NULL;
}
if (n == 0) {
free_dir(sav);
return NULL;
}
path = malloc(pathsize=4096);
if (flimit > 0 && n > flimit) {
sprintf(path,"%d entries exceeds filelimit, not opening dir",n);
*err = scopy(path);
free_dir(sav);
free(path);
return NULL;
}
if (cmpfunc) qsort(dir,n,sizeof(struct _info *),cmpfunc);
if (lev >= maxdirs-1) {
dirs = xrealloc(dirs,sizeof(int) * (maxdirs += 1024));
}
while (*dir) {
if ((*dir)->isdir && !(xdev && dev != (*dir)->dev)) {
if ((*dir)->lnk) {
if (lflag) {
if (findino((*dir)->inode,(*dir)->dev)) {
(*dir)->err = scopy("recursive, not followed");
} else {
saveino((*dir)->inode, (*dir)->dev);
if (*(*dir)->lnk == '/')
(*dir)->child = getfulltree((*dir)->lnk,lev+1,dev,&((*dir)->size),&((*dir)->err));
else {
if (strlen(d)+strlen((*dir)->lnk)+2 > pathsize) path=xrealloc(path,pathsize=(strlen(d)+strlen((*dir)->name)+1024));
if (fflag && !strcmp(d,"/")) sprintf(path,"%s%s",d,(*dir)->lnk);
else sprintf(path,"%s/%s",d,(*dir)->lnk);
(*dir)->child = getfulltree(path,lev+1,dev,&((*dir)->size),&((*dir)->err));
}
}
}
} else {
if (strlen(d)+strlen((*dir)->name)+2 > pathsize) path=xrealloc(path,pathsize=(strlen(d)+strlen((*dir)->name)+1024));
if (fflag && !strcmp(d,"/")) sprintf(path,"%s%s",d,(*dir)->name);
else sprintf(path,"%s/%s",d,(*dir)->name);
saveino((*dir)->inode, (*dir)->dev);
(*dir)->child = getfulltree(path,lev+1,dev,&((*dir)->size),&((*dir)->err));
}
// prune empty folders, unless they match the requested pattern
if (pruneflag && (*dir)->child == NULL &&
!(matchdirs && pattern && patmatch((*dir)->name,pattern) == 1)) {
sp = *dir;
for(p=dir;*p;p++) *p = *(p+1);
n--;
free(sp->name);
if (sp->lnk) free(sp->lnk);
free(sp);
continue;
}
}
if (duflag) *size += (*dir)->size;
dir++;
}
free(path);
if (n == 0) {
free_dir(sav);
return NULL;
}
return sav;
}
/* Sorting functions */
int alnumsort(struct _info **a, struct _info **b)
{
int v;
if (dirsfirst && ((*a)->isdir != (*b)->isdir)) {
return (*a)->isdir ? -1 : 1;
}
v = strcoll((*a)->name,(*b)->name);
return reverse? -v : v;
}
int versort(struct _info **a, struct _info **b)
{
int v;
if (dirsfirst && ((*a)->isdir != (*b)->isdir)) {
return (*a)->isdir ? -1 : 1;
}
v = strverscmp((*a)->name,(*b)->name);
return reverse? -v : v;
}
int mtimesort(struct _info **a, struct _info **b)
{
int v;
if (dirsfirst && ((*a)->isdir != (*b)->isdir)) {
return (*a)->isdir ? -1 : 1;
}
if ((*a)->mtime == (*b)->mtime) {
v = strcoll((*a)->name,(*b)->name);
return reverse? -v : v;
}
v = (*a)->mtime == (*b)->mtime? 0 : ((*a)->mtime < (*b)->mtime ? -1 : 1);
return reverse? -v : v;
}
int ctimesort(struct _info **a, struct _info **b)
{
int v;
if (dirsfirst && ((*a)->isdir != (*b)->isdir)) {
return (*a)->isdir ? -1 : 1;
}
if ((*a)->ctime == (*b)->ctime) {
v = strcoll((*a)->name,(*b)->name);
return reverse? -v : v;
}
v = (*a)->ctime == (*b)->ctime? 0 : ((*a)->ctime < (*b)->ctime? -1 : 1);
return reverse? -v : v;
}
int sizecmp(off_t a, off_t b)
{
return (a == b)? 0 : ((a < b)? 1 : -1);
}
int fsizesort(struct _info **a, struct _info **b)
{
int v;
if (dirsfirst && ((*a)->isdir != (*b)->isdir)) {
return (*a)->isdir ? -1 : 1;
}
v = sizecmp((*a)->size, (*b)->size);
if (v == 0) v = strcoll((*a)->name,(*b)->name);
return reverse? -v : v;
}
void *xmalloc (size_t size)
{
register void *value = malloc (size);
if (value == 0) {
fprintf(stderr,"tree: virtual memory exhausted.\n");
exit(1);
}
return value;
}
void *xrealloc (void *ptr, size_t size)
{
register void *value = realloc (ptr,size);
if (value == 0) {
fprintf(stderr,"tree: virtual memory exhausted.\n");
exit(1);
}
return value;
}
void free_dir(struct _info **d)
{
int i;
for(i=0;d[i];i++) {
free(d[i]->name);
if (d[i]->lnk) free(d[i]->lnk);
free(d[i]);
}
free(d);
}
char *gnu_getcwd()
{
int size = 100;
char *buffer = (char *) xmalloc (size);
while (1)
{
char *value = getcwd (buffer, size);
if (value != 0)