5 typedef struct NDir NDir;
29 int compar(NDir*, NDir*);
30 char* asciitime(long);
32 void rwx(long, char*);
35 void format(Dir*, char*);
38 int swidth; /* max width of -s size */
39 int qwidth; /* max width of -q version */
40 int vwidth; /* max width of dev */
41 int uwidth; /* max width of userid */
42 int mwidth; /* max width of muid */
43 int glwidth; /* max width of groupid and length */
47 main(int argc, char *argv[])
51 Binit(&bin, 1, OWRITE);
53 case 'F': Fflag++; break;
54 case 'd': dflag++; break;
55 case 'l': lflag++; break;
56 case 'm': mflag++; break;
57 case 'n': nflag++; break;
58 case 'p': pflag++; break;
59 case 'q': qflag++; break;
60 case 'Q': Qflag++; break;
61 case 'r': rflag++; break;
62 case 's': sflag++; break;
63 case 't': tflag++; break;
64 case 'u': uflag++; break;
65 default: fprint(2, "usage: ls [-dlmnpqrstuFQ] [file ...]\n");
69 doquote = needsrcquote;
71 fmtinstall('M', dirmodefmt);
77 else for(i=0; i<argc; i++)
78 errs |= ls(argv[i], 1);
80 exits(errs? "errors" : 0);
84 ls(char *s, int multi)
93 if(p == 0 || p[1] != 0 || p == s)
100 fprint(2, "ls: %s: %r\n", s);
103 if(db->qid.type&QTDIR && dflag==0){
108 n = dirreadall(fd, &db);
113 dirbuf[ndir+i].d = db+i;
114 dirbuf[ndir+i].prefix = multi? s : 0;
122 dirbuf[ndir].prefix = 0;
123 p = utfrrune(s, '/');
125 dirbuf[ndir].prefix = s;
127 /* restore original name; don't use result of stat */
128 dirbuf[ndir].d->name = strdup(p+1);
143 qsort(dirbuf, ndir, sizeof dirbuf[0], (int (*)(const void*, const void*))compar);
144 for(i=0; i<ndir; i++)
145 dowidths(dirbuf[i].d);
146 for(i=0; i<ndir; i++) {
147 if(!pflag && (s = dirbuf[i].prefix)) {
148 if(strcmp(s, "/") ==0) /* / is a special case */
150 sprint(buf, "%s/%s", s, dirbuf[i].d->name);
151 format(dirbuf[i].d, buf);
153 format(dirbuf[i].d, dirbuf[i].d->name);
166 n = sprint(buf, "%llud", (db->length+1023)/1024);
171 n = sprint(buf, "%lud", db->qid.vers);
176 n = snprint(buf, sizeof buf, "[%s]", db->muid);
181 n = sprint(buf, "%ud", db->dev);
187 n = sprint(buf, "%llud", db->length);
188 n += strlen(db->gid);
199 if(QTDIR & db->qid.type)
207 format(Dir *db, char *name)
212 Bprint(&bin, "%*llud ",
213 swidth, (db->length+1023)/1024);
215 Bprint(&bin, "[%s] ", db->muid);
216 for(i=2+strlen(db->muid); i<mwidth; i++)
220 Bprint(&bin, "(%.16llux %*lud %.2ux) ",
222 qwidth, db->qid.vers,
226 Qflag? "%M %C %*ud %*s %s %*llud %s %s\n" : "%M %C %*ud %*s %s %*llud %s %q\n",
231 (int)(glwidth-strlen(db->gid)), db->length,
232 asciitime(uflag? db->atime : db->mtime), name);
235 Qflag? "%s%s\n" : "%q%s\n",
245 dirbuf=(NDir *)realloc(dirbuf, ndirbuf*sizeof(NDir));
247 fprint(2, "ls: malloc fail\n");
248 exits("malloc fail");
253 compar(NDir *a, NDir *b)
263 i = bd->atime-ad->atime;
265 i = bd->mtime-ad->mtime;
267 if(a->prefix && b->prefix){
268 i = strcmp(a->prefix, b->prefix);
270 i = strcmp(ad->name, bd->name);
272 i = strcmp(a->prefix, bd->name);
274 i = 1; /* a is longer than b */
276 i = strcmp(ad->name, b->prefix);
278 i = -1; /* b is longer than a */
280 i = strcmp(ad->name, bd->name);
296 /* 6 months in the past or a day in the future */
297 if(l<clk-180L*24*60*60 || clk+24L*60*60<l){
298 memmove(buf, t+4, 7); /* month and day */
299 memmove(buf+7, t+23, 5); /* year */
301 memmove(buf, t+4, 12); /* skip day of week */