A number of structures related to UFS and QUOTAS have changed name.
[dragonfly.git] / usr.bin / quota / quota.c
1 /*
2  * Copyright (c) 1980, 1990, 1993
3  *      The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Robert Elz at The University of Melbourne.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by the University of
19  *      California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * @(#) Copyright (c) 1980, 1990, 1993 The Regents of the University of California.  All rights reserved.
37  * @(#)quota.c  8.1 (Berkeley) 6/6/93
38  * $FreeBSD: src/usr.bin/quota/quota.c,v 1.11.2.5 2002/11/30 23:54:21 iedowse Exp $
39  * $DragonFly: src/usr.bin/quota/quota.c,v 1.7 2006/04/03 01:59:28 dillon Exp $
40  */
41
42 /*
43  * Disk quota reporting program.
44  */
45
46 #include <sys/param.h>
47 #include <sys/types.h>
48 #include <sys/file.h>
49 #include <sys/stat.h>
50 #include <sys/mount.h>
51 #include <sys/socket.h>
52
53 #include <rpc/rpc.h>
54 #include <rpc/pmap_prot.h>
55 #include <rpcsvc/rquota.h>
56
57 #include <vfs/ufs/quota.h>
58
59 #include <ctype.h>
60 #include <err.h>
61 #include <fstab.h>
62 #include <grp.h>
63 #include <netdb.h>
64 #include <pwd.h>
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <string.h>
68 #include <unistd.h>
69
70 const char *qfname = QUOTAFILENAME;
71 const char *qfextension[] = INITQFNAMES;
72
73 struct quotause {
74         struct  quotause *next;
75         long    flags;
76         struct  ufs_dqblk dqblk;
77         char    fsname[MAXPATHLEN + 1];
78 };
79 #define FOUND   0x01
80
81 static const char *timeprt(time_t);
82 static struct quotause *getprivs(long, int);
83 static void usage(void);
84 static void showuid(u_long);
85 static void showgid(u_long);
86 static int alldigits(char *);
87 static void showusrname(char *);
88 static void showgrpname(char *);
89 static void showquotas(int, u_long, const char *);
90 static void heading(int, u_long, const char *, const char *);
91 static int ufshasquota(struct fstab *, int, char **);
92 static int getufsquota(struct fstab *, struct quotause *, long, int);
93 static int getnfsquota(struct statfs *, struct quotause *, long, int);
94 static int callaurpc(char *, int, int, int, xdrproc_t, char *, xdrproc_t,
95         char *);
96
97 int     lflag;
98 int     qflag;
99 int     vflag;
100
101 int
102 main(int argc, char *argv[])
103 {
104         int ngroups; 
105         gid_t mygid, gidset[NGROUPS];
106         int i, gflag = 0, uflag = 0;
107         char ch;
108
109         while ((ch = getopt(argc, argv, "glquv")) != -1) {
110                 switch(ch) {
111                 case 'g':
112                         gflag++;
113                         break;
114                 case 'l':
115                         lflag++;
116                         break;
117                 case 'q':
118                         qflag++;
119                         break;
120                 case 'u':
121                         uflag++;
122                         break;
123                 case 'v':
124                         vflag++;
125                         break;
126                 default:
127                         usage();
128                 }
129         }
130         argc -= optind;
131         argv += optind;
132         if (!uflag && !gflag)
133                 uflag++;
134         if (argc == 0) {
135                 if (uflag)
136                         showuid(getuid());
137                 if (gflag) {
138                         mygid = getgid();
139                         ngroups = getgroups(NGROUPS, gidset);
140                         if (ngroups < 0)
141                                 err(1, "getgroups");
142                         showgid(mygid);
143                         for (i = 0; i < ngroups; i++)
144                                 if (gidset[i] != mygid)
145                                         showgid(gidset[i]);
146                 }
147                 return(0);
148         }
149         if (uflag && gflag)
150                 usage();
151         if (uflag) {
152                 for (; argc > 0; argc--, argv++) {
153                         if (alldigits(*argv))
154                                 showuid(atoi(*argv));
155                         else
156                                 showusrname(*argv);
157                 }
158                 return(0);
159         }
160         if (gflag) {
161                 for (; argc > 0; argc--, argv++) {
162                         if (alldigits(*argv))
163                                 showgid(atoi(*argv));
164                         else
165                                 showgrpname(*argv);
166                 }
167         }
168         return(0);
169 }
170
171 static void
172 usage(void)
173 {
174
175         fprintf(stderr, "%s\n%s\n%s\n",
176             "usage: quota [-glu] [-v | -q]",
177             "       quota [-lu] [-v | -q] user ...",
178             "       quota -g [-l] [-v | -q] group ...");
179         exit(1);
180 }
181
182 /*
183  * Print out quotas for a specified user identifier.
184  */
185 static void
186 showuid(u_long uid)
187 {
188         struct passwd *pwd = getpwuid(uid);
189         u_long myuid;
190         const char *name;
191
192         if (pwd == NULL)
193                 name = "(no account)";
194         else
195                 name = pwd->pw_name;
196         myuid = getuid();
197         if (uid != myuid && myuid != 0) {
198                 printf("quota: %s (uid %lu): permission denied\n", name, uid);
199                 return;
200         }
201         showquotas(USRQUOTA, uid, name);
202 }
203
204 /*
205  * Print out quotas for a specifed user name.
206  */
207 static void
208 showusrname(char *name)
209 {
210         struct passwd *pwd = getpwnam(name);
211         u_long myuid;
212
213         if (pwd == NULL) {
214                 warnx("%s: unknown user", name);
215                 return;
216         }
217         myuid = getuid();
218         if (pwd->pw_uid != myuid && myuid != 0) {
219                 warnx("%s (uid %u): permission denied", name, pwd->pw_uid);
220                 return;
221         }
222         showquotas(USRQUOTA, pwd->pw_uid, name);
223 }
224
225 /*
226  * Print out quotas for a specified group identifier.
227  */
228 static void
229 showgid(u_long gid)
230 {
231         struct group *grp = getgrgid(gid);
232         int ngroups;
233         gid_t mygid, gidset[NGROUPS];
234         int i;
235         const char *name;
236
237         if (grp == NULL)
238                 name = "(no entry)";
239         else
240                 name = grp->gr_name;
241         mygid = getgid();
242         ngroups = getgroups(NGROUPS, gidset);
243         if (ngroups < 0) {
244                 warn("getgroups");
245                 return;
246         }
247         if (gid != mygid) {
248                 for (i = 0; i < ngroups; i++)
249                         if (gid == gidset[i])
250                                 break;
251                 if (i >= ngroups && getuid() != 0) {
252                         warnx("%s (gid %lu): permission denied", name, gid);
253                         return;
254                 }
255         }
256         showquotas(GRPQUOTA, gid, name);
257 }
258
259 /*
260  * Print out quotas for a specifed group name.
261  */
262 static void
263 showgrpname(char *name)
264 {
265         struct group *grp = getgrnam(name);
266         int ngroups;
267         gid_t mygid, gidset[NGROUPS];
268         int i;
269
270         if (grp == NULL) {
271                 warnx("%s: unknown group", name);
272                 return;
273         }
274         mygid = getgid();
275         ngroups = getgroups(NGROUPS, gidset);
276         if (ngroups < 0) {
277                 warn("getgroups");
278                 return;
279         }
280         if (grp->gr_gid != mygid) {
281                 for (i = 0; i < ngroups; i++)
282                         if (grp->gr_gid == gidset[i])
283                                 break;
284                 if (i >= ngroups && getuid() != 0) {
285                         warnx("%s (gid %u): permission denied", name,
286                                                 grp->gr_gid);
287                         return;
288                 }
289         }
290         showquotas(GRPQUOTA, grp->gr_gid, name);
291 }
292
293 static void
294 showquotas(int type, u_long id, const char *name)
295 {
296         struct quotause *qup;
297         struct quotause *quplist;
298         const char *msgi, *msgb;
299         const char *nam;
300         int lines = 0;
301         static time_t now;
302
303         if (now == 0)
304                 time(&now);
305         quplist = getprivs(id, type);
306         for (qup = quplist; qup; qup = qup->next) {
307                 if (!vflag &&
308                     qup->dqblk.dqb_isoftlimit == 0 &&
309                     qup->dqblk.dqb_ihardlimit == 0 &&
310                     qup->dqblk.dqb_bsoftlimit == 0 &&
311                     qup->dqblk.dqb_bhardlimit == 0)
312                         continue;
313                 msgi = (char *)0;
314                 if (qup->dqblk.dqb_ihardlimit &&
315                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_ihardlimit)
316                         msgi = "File limit reached on";
317                 else if (qup->dqblk.dqb_isoftlimit &&
318                     qup->dqblk.dqb_curinodes >= qup->dqblk.dqb_isoftlimit) {
319                         if (qup->dqblk.dqb_itime > now)
320                                 msgi = "In file grace period on";
321                         else
322                                 msgi = "Over file quota on";
323                 }
324                 msgb = (char *)0;
325                 if (qup->dqblk.dqb_bhardlimit &&
326                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bhardlimit)
327                         msgb = "Block limit reached on";
328                 else if (qup->dqblk.dqb_bsoftlimit &&
329                     qup->dqblk.dqb_curblocks >= qup->dqblk.dqb_bsoftlimit) {
330                         if (qup->dqblk.dqb_btime > now)
331                                 msgb = "In block grace period on";
332                         else
333                                 msgb = "Over block quota on";
334                 }
335                 if (qflag) {
336                         if ((msgi != (char *)0 || msgb != (char *)0) &&
337                             lines++ == 0)
338                                 heading(type, id, name, "");
339                         if (msgi != (char *)0)
340                                 printf("\t%s %s\n", msgi, qup->fsname);
341                         if (msgb != (char *)0)
342                                 printf("\t%s %s\n", msgb, qup->fsname);
343                         continue;
344                 }
345                 if (vflag ||
346                     qup->dqblk.dqb_curblocks ||
347                     qup->dqblk.dqb_curinodes) {
348                         if (lines++ == 0)
349                                 heading(type, id, name, "");
350                         nam = qup->fsname;
351                         if (strlen(qup->fsname) > 15) {
352                                 printf("%s\n", qup->fsname);
353                                 nam = "";
354                         } 
355                         printf("%15s%8lu%c%7lu%8lu%8s"
356                                 , nam
357                                 , (u_long) (dbtob(qup->dqblk.dqb_curblocks)
358                                             / 1024)
359                                 , (msgb == (char *)0) ? ' ' : '*'
360                                 , (u_long) (dbtob(qup->dqblk.dqb_bsoftlimit)
361                                             / 1024)
362                                 , (u_long) (dbtob(qup->dqblk.dqb_bhardlimit)
363                                             / 1024)
364                                 , (msgb == (char *)0) ? ""
365                                     :timeprt(qup->dqblk.dqb_btime));
366                         printf("%8lu%c%7lu%8lu%8s\n"
367                                 , (u_long)qup->dqblk.dqb_curinodes
368                                 , (msgi == (char *)0) ? ' ' : '*'
369                                 , (u_long)qup->dqblk.dqb_isoftlimit
370                                 , (u_long)qup->dqblk.dqb_ihardlimit
371                                 , (msgi == (char *)0) ? ""
372                                     : timeprt(qup->dqblk.dqb_itime)
373                         );
374                         continue;
375                 }
376         }
377         if (!qflag && lines == 0)
378                 heading(type, id, name, "none");
379 }
380
381 static void
382 heading(int type, u_long id, const char *name, const char *tag)
383 {
384
385         printf("Disk quotas for %s %s (%cid %lu): %s\n", qfextension[type],
386             name, *qfextension[type], id, tag);
387         if (!qflag && tag[0] == '\0') {
388                 printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n"
389                         , "Filesystem"
390                         , "usage"
391                         , "quota"
392                         , "limit"
393                         , "grace"
394                         , "files"
395                         , "quota"
396                         , "limit"
397                         , "grace"
398                 );
399         }
400 }
401
402 /*
403  * Calculate the grace period and return a printable string for it.
404  */
405 static const char *
406 timeprt(time_t seconds)
407 {
408         time_t hours, minutes;
409         static char buf[20];
410         static time_t now;
411
412         if (now == 0)
413                 time(&now);
414         if (now > seconds)
415                 return ("none");
416         seconds -= now;
417         minutes = (seconds + 30) / 60;
418         hours = (minutes + 30) / 60;
419         if (hours >= 36) {
420                 sprintf(buf, "%lddays", ((long)hours + 12) / 24);
421                 return (buf);
422         }
423         if (minutes >= 60) {
424                 sprintf(buf, "%2ld:%ld", (long)minutes / 60,
425                     (long)minutes % 60);
426                 return (buf);
427         }
428         sprintf(buf, "%2ld", (long)minutes);
429         return (buf);
430 }
431
432 /*
433  * Collect the requested quota information.
434  */
435 static struct quotause *
436 getprivs(long id, int quotatype)
437 {
438         struct quotause *qup, *quptail = NULL;
439         struct fstab *fs;
440         struct quotause *quphead;
441         struct statfs *fst;
442         int nfst, i;
443
444         qup = quphead = (struct quotause *)0;
445
446         nfst = getmntinfo(&fst, MNT_NOWAIT);
447         if (nfst == 0)
448                 errx(2, "no filesystems mounted!");
449         setfsent();
450         for (i=0; i<nfst; i++) {
451                 if (qup == NULL) {
452                         if ((qup = (struct quotause *)malloc(sizeof *qup))
453                             == NULL)
454                                 errx(2, "out of memory");
455                 }
456                 if (strcmp(fst[i].f_fstypename, "nfs") == 0) {
457                         if (lflag)
458                                 continue;
459                         if (getnfsquota(&fst[i], qup, id, quotatype)
460                             == 0)
461                                 continue;
462                 } else if (strcmp(fst[i].f_fstypename, "ufs") == 0) {
463                         /*
464                          * XXX
465                          * UFS filesystems must be in /etc/fstab, and must
466                          * indicate that they have quotas on (?!) This is quite
467                          * unlike SunOS where quotas can be enabled/disabled
468                          * on a filesystem independent of /etc/fstab, and it
469                          * will still print quotas for them.
470                          */
471                         if ((fs = getfsspec(fst[i].f_mntfromname)) == NULL)
472                                 continue;
473                         if (getufsquota(fs, qup, id, quotatype) == 0)
474                                 continue;
475                 } else
476                         continue;
477                 strcpy(qup->fsname, fst[i].f_mntonname);
478                 if (quphead == NULL)
479                         quphead = qup;
480                 else
481                         quptail->next = qup;
482                 quptail = qup;
483                 quptail->next = 0;
484                 qup = NULL;
485         }
486         if (qup)
487                 free(qup);
488         endfsent();
489         return (quphead);
490 }
491
492 /*
493  * Check to see if a particular quota is to be enabled.
494  */
495 static int
496 ufshasquota(struct fstab *fs, int type, char **qfnamep)
497 {
498         static char initname, usrname[100], grpname[100];
499         static char buf[BUFSIZ];
500         char *opt, *cp;
501
502         if (!initname) {
503                 sprintf(usrname, "%s%s", qfextension[USRQUOTA], qfname);
504                 sprintf(grpname, "%s%s", qfextension[GRPQUOTA], qfname);
505                 initname = 1;
506         }
507         strcpy(buf, fs->fs_mntops);
508         for (opt = strtok(buf, ","); opt; opt = strtok(NULL, ",")) {
509                 if ((cp = strchr(opt, '=')))
510                         *cp++ = '\0';
511                 if (type == USRQUOTA && strcmp(opt, usrname) == 0)
512                         break;
513                 if (type == GRPQUOTA && strcmp(opt, grpname) == 0)
514                         break;
515         }
516         if (!opt)
517                 return (0);
518         if (cp) {
519                 *qfnamep = cp;
520                 return (1);
521         }
522         sprintf(buf, "%s/%s.%s", fs->fs_file, qfname, qfextension[type]);
523         *qfnamep = buf;
524         return (1);
525 }
526
527 static int
528 getufsquota(struct fstab *fs, struct quotause *qup, long id, int quotatype)
529 {
530         char *qfpathname;
531         int fd, qcmd;
532
533         qcmd = QCMD(Q_GETQUOTA, quotatype);
534         if (!ufshasquota(fs, quotatype, &qfpathname))
535                 return (0);
536
537         if (quotactl(fs->fs_file, qcmd, id, (char *)&qup->dqblk) != 0) {
538                 if ((fd = open(qfpathname, O_RDONLY)) < 0) {
539                         warn("%s", qfpathname);
540                         return (0);
541                 }
542                 lseek(fd, (off_t)(id * sizeof(struct ufs_dqblk)), L_SET);
543                 switch (read(fd, &qup->dqblk, sizeof(struct ufs_dqblk))) {
544                 case 0:                         /* EOF */
545                         /*
546                          * Convert implicit 0 quota (EOF)
547                          * into an explicit one (zero'ed dqblk)
548                          */
549                         bzero(&qup->dqblk, sizeof(struct ufs_dqblk));
550                         break;
551                 case sizeof(struct ufs_dqblk):  /* OK */
552                         break;
553                 default:                /* ERROR */
554                         warn("read error: %s", qfpathname);
555                         close(fd);
556                         return (0);
557                 }
558                 close(fd);
559         }
560         return (1);
561 }
562
563 static int
564 getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
565 {
566         struct getquota_args gq_args;
567         struct getquota_rslt gq_rslt;
568         struct ufs_dqblk *dqp = &qup->dqblk;
569         struct timeval tv;
570         char *cp;
571
572         if (fst->f_flags & MNT_LOCAL)
573                 return (0);
574
575         /*
576          * rpc.rquotad does not support group quotas
577          */
578         if (quotatype != USRQUOTA)
579                 return (0);
580
581         /*
582          * must be some form of "hostname:/path"
583          */
584         cp = strchr(fst->f_mntfromname, ':');
585         if (cp == NULL) {
586                 warnx("cannot find hostname for %s", fst->f_mntfromname);
587                 return (0);
588         }
589  
590         *cp = '\0';
591         if (*(cp+1) != '/') {
592                 *cp = ':';
593                 return (0);
594         }
595
596         /* Avoid attempting the RPC for special amd(8) filesystems. */
597         if (strncmp(fst->f_mntfromname, "pid", 3) == 0 &&
598             strchr(fst->f_mntfromname, '@') != NULL) {
599                 *cp = ':';
600                 return (0);
601         }
602
603         gq_args.gqa_pathp = cp + 1;
604         gq_args.gqa_uid = id;
605         if (callaurpc(fst->f_mntfromname, RQUOTAPROG, RQUOTAVERS,
606             RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_getquota_args, (char *)&gq_args,
607             (xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt) != 0) {
608                 *cp = ':';
609                 return (0);
610         }
611
612         switch (gq_rslt.status) {
613         case Q_NOQUOTA:
614                 break;
615         case Q_EPERM:
616                 warnx("quota permission error, host: %s",
617                         fst->f_mntfromname);
618                 break;
619         case Q_OK:
620                 gettimeofday(&tv, NULL);
621                         /* blocks*/
622                 dqp->dqb_bhardlimit =
623                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
624                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
625                 dqp->dqb_bsoftlimit =
626                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
627                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
628                 dqp->dqb_curblocks =
629                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
630                     gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE;
631                         /* inodes */
632                 dqp->dqb_ihardlimit =
633                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit;
634                 dqp->dqb_isoftlimit =
635                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit;
636                 dqp->dqb_curinodes =
637                         gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
638                         /* grace times */
639                 dqp->dqb_btime =
640                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft;
641                 dqp->dqb_itime =
642                     tv.tv_sec + gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft;
643                 *cp = ':';
644                 return (1);
645         default:
646                 warnx("bad rpc result, host: %s", fst->f_mntfromname);
647                 break;
648         }
649         *cp = ':';
650         return (0);
651 }
652  
653 static int
654 callaurpc(char *host, int prognum, int versnum, int procnum,
655     xdrproc_t inproc, char *in, xdrproc_t outproc, char *out)
656 {
657         struct sockaddr_in server_addr;
658         enum clnt_stat clnt_stat;
659         struct hostent *hp;
660         struct timeval timeout, tottimeout;
661  
662         CLIENT *client = NULL;
663         int sock = RPC_ANYSOCK;
664  
665         if ((hp = gethostbyname(host)) == NULL)
666                 return ((int) RPC_UNKNOWNHOST);
667         timeout.tv_usec = 0;
668         timeout.tv_sec = 6;
669         bcopy(hp->h_addr, &server_addr.sin_addr,
670                         MIN(hp->h_length,(int)sizeof(server_addr.sin_addr)));
671         server_addr.sin_family = AF_INET;
672         server_addr.sin_port =  0;
673
674         if ((client = clntudp_create(&server_addr, prognum,
675             versnum, timeout, &sock)) == NULL)
676                 return ((int) rpc_createerr.cf_stat);
677
678         client->cl_auth = authunix_create_default();
679         tottimeout.tv_sec = 25;
680         tottimeout.tv_usec = 0;
681         clnt_stat = clnt_call(client, procnum, inproc, in,
682             outproc, out, tottimeout);
683  
684         return ((int) clnt_stat);
685 }
686
687 static int
688 alldigits(char *s)
689 {
690         int c;
691
692         c = *s++;
693         do {
694                 if (!isdigit(c))
695                         return (0);
696         } while ((c = *s++));
697         return (1);
698 }