quot.c revision 69793
112032Speter/* 212032Speter * Copyright (C) 1991, 1994 Wolfgang Solfrank. 312032Speter * Copyright (C) 1991, 1994 TooLs GmbH. 412032Speter * All rights reserved. 512032Speter * 612032Speter * Redistribution and use in source and binary forms, with or without 712032Speter * modification, are permitted provided that the following conditions 812032Speter * are met: 912032Speter * 1. Redistributions of source code must retain the above copyright 1012032Speter * notice, this list of conditions and the following disclaimer. 1112032Speter * 2. Redistributions in binary form must reproduce the above copyright 1212032Speter * notice, this list of conditions and the following disclaimer in the 1312032Speter * documentation and/or other materials provided with the distribution. 1412032Speter * 3. All advertising materials mentioning features or use of this software 1512032Speter * must display the following acknowledgement: 1612032Speter * This product includes software developed by TooLs GmbH. 1712032Speter * 4. The name of TooLs GmbH may not be used to endorse or promote products 1812032Speter * derived from this software without specific prior written permission. 1912032Speter * 2012032Speter * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 2112032Speter * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2212032Speter * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2312032Speter * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2412032Speter * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2512032Speter * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 2612032Speter * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 2712032Speter * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 2812032Speter * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 2912032Speter * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3012032Speter */ 3112032Speter 3212032Speter#ifndef lint 3330262Scharnierstatic const char rcsid[] = 3450479Speter "$FreeBSD: head/usr.sbin/quot/quot.c 69793 2000-12-09 09:35:55Z obrien $"; 3512032Speter#endif /* not lint */ 3612032Speter 3712032Speter#include <sys/param.h> 3812032Speter#include <sys/mount.h> 3912032Speter#include <sys/time.h> 4012032Speter#include <ufs/ffs/fs.h> 4112032Speter#include <ufs/ufs/quota.h> 4212032Speter#include <ufs/ufs/inode.h> 4312032Speter 4430262Scharnier#include <err.h> 4530262Scharnier#include <fcntl.h> 4630262Scharnier#include <errno.h> 4769793Sobrien#include <paths.h> 4830262Scharnier#include <pwd.h> 4912032Speter#include <stdio.h> 5012032Speter#include <stdlib.h> 5112032Speter#include <string.h> 5230262Scharnier#include <unistd.h> 5312032Speter 5412032Speter/* some flags of what to do: */ 5512032Speterstatic char estimate; 5612032Speterstatic char count; 5712032Speterstatic char unused; 5830262Scharnierstatic void (*func)(); 5912032Speterstatic long blocksize; 6012032Speterstatic char *header; 6112032Speterstatic int headerlen; 6212032Speter 6312032Speter/* 6412032Speter * Original BSD quot doesn't round to number of frags/blocks, 6512032Speter * doesn't account for indirection blocks and gets it totally 6612032Speter * wrong if the size is a multiple of the blocksize. 6712032Speter * The new code always counts the number of 512 byte blocks 6812032Speter * instead of the number of kilobytes and converts them to 6912032Speter * kByte when done (on request). 7041727Sdillon * 7141727Sdillon * Due to the size of modern disks, we must cast intermediate 7241727Sdillon * values to 64 bits to prevent potential overflows. 7312032Speter */ 7412032Speter#ifdef COMPAT 7512032Speter#define SIZE(n) (n) 7612032Speter#else 7741727Sdillon#define SIZE(n) ((int)(((quad_t)(n) * 512 + blocksize - 1)/blocksize)) 7812032Speter#endif 7912032Speter 8012032Speter#define INOCNT(fs) ((fs)->fs_ipg) 8112032Speter#define INOSZ(fs) (sizeof(struct dinode) * INOCNT(fs)) 8212032Speter 8330262Scharnierstatic struct dinode * 8430262Scharnierget_inode(fd,super,ino) 8512032Speter struct fs *super; 8612032Speter ino_t ino; 8712032Speter{ 8812032Speter static struct dinode *ip; 8912032Speter static ino_t last; 9012032Speter 9112032Speter if (fd < 0) { /* flush cache */ 9212032Speter if (ip) { 9312032Speter free(ip); 9412032Speter ip = 0; 9512032Speter } 9612032Speter return 0; 9712032Speter } 9812032Speter 9912032Speter if (!ip || ino < last || ino >= last + INOCNT(super)) { 10012032Speter if (!ip 10130262Scharnier && !(ip = (struct dinode *)malloc(INOSZ(super)))) 10230262Scharnier errx(1, "allocate inodes"); 10312032Speter last = (ino / INOCNT(super)) * INOCNT(super); 10428160Sjkh if (lseek(fd, (off_t)ino_to_fsba(super, last) << super->fs_fshift, 0) < (off_t)0 10530262Scharnier || read(fd,ip,INOSZ(super)) != INOSZ(super)) 10630262Scharnier err(1, "read inodes"); 10712032Speter } 10812032Speter 10912032Speter return ip + ino % INOCNT(super); 11012032Speter} 11112032Speter 11212032Speter#ifdef COMPAT 11312032Speter#define actualblocks(super,ip) ((ip)->di_blocks/2) 11412032Speter#else 11512032Speter#define actualblocks(super,ip) ((ip)->di_blocks) 11612032Speter#endif 11712032Speter 11830262Scharnierstatic int virtualblocks(super,ip) 11912032Speter struct fs *super; 12012032Speter struct dinode *ip; 12112032Speter{ 12212032Speter register off_t nblk, sz; 12312032Speter 12412032Speter sz = ip->di_size; 12512032Speter#ifdef COMPAT 12612032Speter if (lblkno(super,sz) >= NDADDR) { 12712032Speter nblk = blkroundup(super,sz); 12812032Speter if (sz == nblk) 12912032Speter nblk += super->fs_bsize; 13012032Speter } 13112032Speter 13212032Speter return sz / 1024; 13312032Speter 13412032Speter#else /* COMPAT */ 13512032Speter 13612032Speter if (lblkno(super,sz) >= NDADDR) { 13712032Speter nblk = blkroundup(super,sz); 13812032Speter sz = lblkno(super,nblk); 13912032Speter sz = (sz - NDADDR + NINDIR(super) - 1) / NINDIR(super); 14012032Speter while (sz > 0) { 14112032Speter nblk += sz * super->fs_bsize; 14212032Speter /* sz - 1 rounded up */ 14312032Speter sz = (sz - 1 + NINDIR(super) - 1) / NINDIR(super); 14412032Speter } 14512032Speter } else 14612032Speter nblk = fragroundup(super,sz); 14712032Speter 14812032Speter return nblk / 512; 14912032Speter#endif /* COMPAT */ 15012032Speter} 15112032Speter 15230262Scharnierstatic int 15330262Scharnierisfree(ip) 15412032Speter struct dinode *ip; 15512032Speter{ 15612032Speter#ifdef COMPAT 15712032Speter return (ip->di_mode&IFMT) == 0; 15812032Speter#else /* COMPAT */ 15912032Speter 16012032Speter switch (ip->di_mode&IFMT) { 16112032Speter case IFIFO: 16212032Speter case IFLNK: /* should check FASTSYMLINK? */ 16312032Speter case IFDIR: 16412032Speter case IFREG: 16512032Speter return 0; 16612032Speter default: 16712032Speter return 1; 16812032Speter } 16912032Speter#endif 17012032Speter} 17112032Speter 17212032Speterstatic struct user { 17312032Speter uid_t uid; 17412032Speter char *name; 17512032Speter daddr_t space; 17612032Speter long count; 17712032Speter daddr_t spc30; 17812032Speter daddr_t spc60; 17912032Speter daddr_t spc90; 18012032Speter} *users; 18112032Speterstatic int nusers; 18212032Speter 18330262Scharnierstatic void 18430262Scharnierinituser() 18512032Speter{ 18612032Speter register i; 18712032Speter register struct user *usr; 18812032Speter 18912032Speter if (!nusers) { 19012032Speter nusers = 8; 19112032Speter if (!(users = 19230262Scharnier (struct user *)calloc(nusers,sizeof(struct user)))) 19330262Scharnier errx(1, "allocate users"); 19412032Speter } else { 19512032Speter for (usr = users, i = nusers; --i >= 0; usr++) { 19612032Speter usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0; 19712032Speter usr->count = 0; 19812032Speter } 19912032Speter } 20012032Speter} 20112032Speter 20230262Scharnierstatic void 20330262Scharnierusrrehash() 20412032Speter{ 20512032Speter register i; 20612032Speter register struct user *usr, *usrn; 20712032Speter struct user *svusr; 20812032Speter 20912032Speter svusr = users; 21012032Speter nusers <<= 1; 21130262Scharnier if (!(users = (struct user *)calloc(nusers,sizeof(struct user)))) 21230262Scharnier errx(1, "allocate users"); 21312032Speter for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) { 21412032Speter for (usrn = users + (usr->uid&(nusers - 1)); usrn->name; 21512032Speter usrn--) { 21612032Speter if (usrn <= users) 21712032Speter usrn = users + nusers; 21812032Speter } 21912032Speter *usrn = *usr; 22012032Speter } 22112032Speter} 22212032Speter 22330262Scharnierstatic struct user * 22430262Scharnieruser(uid) 22512032Speter uid_t uid; 22612032Speter{ 22712032Speter register struct user *usr; 22812032Speter register i; 22912032Speter struct passwd *pwd; 23012032Speter 23112032Speter while (1) { 23212032Speter for (usr = users + (uid&(nusers - 1)), i = nusers; --i >= 0; 23312032Speter usr--) { 23412032Speter if (!usr->name) { 23512032Speter usr->uid = uid; 23612032Speter 23712032Speter if (!(pwd = getpwuid(uid))) { 23830262Scharnier if ((usr->name = (char *)malloc(7))) 23912032Speter sprintf(usr->name,"#%d",uid); 24012032Speter } else { 24130262Scharnier if ((usr->name = (char *) 24230262Scharnier malloc(strlen(pwd->pw_name) + 1))) 24312032Speter strcpy(usr->name,pwd->pw_name); 24412032Speter } 24530262Scharnier if (!usr->name) 24630262Scharnier errx(1, "allocate users"); 24712032Speter 24812032Speter return usr; 24912032Speter 25012032Speter } else if (usr->uid == uid) 25112032Speter return usr; 25212032Speter 25312032Speter if (usr <= users) 25412032Speter usr = users + nusers; 25512032Speter } 25612032Speter usrrehash(); 25712032Speter } 25812032Speter} 25912032Speter 26030262Scharnierstatic int 26130262Scharniercmpusers(u1,u2) 26212032Speter struct user *u1, *u2; 26312032Speter{ 26412032Speter return u2->space - u1->space; 26512032Speter} 26612032Speter 26712032Speter#define sortusers(users) (qsort((users),nusers,sizeof(struct user), \ 26812032Speter cmpusers)) 26912032Speter 27030262Scharnierstatic void 27130262Scharnieruses(uid,blks,act) 27212032Speter uid_t uid; 27312032Speter daddr_t blks; 27412032Speter time_t act; 27512032Speter{ 27612032Speter static time_t today; 27712032Speter register struct user *usr; 27812032Speter 27912032Speter if (!today) 28012032Speter time(&today); 28112032Speter 28212032Speter usr = user(uid); 28312032Speter usr->count++; 28412032Speter usr->space += blks; 28512032Speter 28612032Speter if (today - act > 90L * 24L * 60L * 60L) 28712032Speter usr->spc90 += blks; 28812032Speter if (today - act > 60L * 24L * 60L * 60L) 28912032Speter usr->spc60 += blks; 29012032Speter if (today - act > 30L * 24L * 60L * 60L) 29112032Speter usr->spc30 += blks; 29212032Speter} 29312032Speter 29412032Speter#ifdef COMPAT 29512032Speter#define FSZCNT 500 29612032Speter#else 29712032Speter#define FSZCNT 512 29812032Speter#endif 29912032Speterstruct fsizes { 30012032Speter struct fsizes *fsz_next; 30112032Speter daddr_t fsz_first, fsz_last; 30212032Speter ino_t fsz_count[FSZCNT]; 30312032Speter daddr_t fsz_sz[FSZCNT]; 30412032Speter} *fsizes; 30512032Speter 30630262Scharnierstatic void 30730262Scharnierinitfsizes() 30812032Speter{ 30912032Speter register struct fsizes *fp; 31012032Speter register i; 31112032Speter 31212032Speter for (fp = fsizes; fp; fp = fp->fsz_next) { 31312032Speter for (i = FSZCNT; --i >= 0;) { 31412032Speter fp->fsz_count[i] = 0; 31512032Speter fp->fsz_sz[i] = 0; 31612032Speter } 31712032Speter } 31812032Speter} 31912032Speter 32030262Scharnierstatic void 32130262Scharnierdofsizes(fd,super,name) 32212032Speter struct fs *super; 32312032Speter char *name; 32412032Speter{ 32512032Speter ino_t inode, maxino; 32612032Speter struct dinode *ip; 32712032Speter daddr_t sz, ksz; 32812032Speter struct fsizes *fp, **fsp; 32912032Speter register i; 33012032Speter 33112032Speter maxino = super->fs_ncg * super->fs_ipg - 1; 33212032Speter#ifdef COMPAT 33330262Scharnier if (!(fsizes = (struct fsizes *)malloc(sizeof(struct fsizes)))) 33453764Scharnier errx(1, "allocate fsize structure"); 33512032Speter#endif /* COMPAT */ 33612032Speter for (inode = 0; inode < maxino; inode++) { 33712032Speter errno = 0; 33812032Speter if ((ip = get_inode(fd,super,inode)) 33912032Speter#ifdef COMPAT 34012032Speter && ((ip->di_mode&IFMT) == IFREG 34112032Speter || (ip->di_mode&IFMT) == IFDIR) 34212032Speter#else /* COMPAT */ 34312032Speter && !isfree(ip) 34412032Speter#endif /* COMPAT */ 34512032Speter ) { 34612032Speter sz = estimate ? virtualblocks(super,ip) : 34712032Speter actualblocks(super,ip); 34812032Speter#ifdef COMPAT 34912032Speter if (sz >= FSZCNT) { 35012032Speter fsizes->fsz_count[FSZCNT-1]++; 35112032Speter fsizes->fsz_sz[FSZCNT-1] += sz; 35212032Speter } else { 35312032Speter fsizes->fsz_count[sz]++; 35412032Speter fsizes->fsz_sz[sz] += sz; 35512032Speter } 35612032Speter#else /* COMPAT */ 35712032Speter ksz = SIZE(sz); 35830262Scharnier for (fsp = &fsizes; (fp = *fsp); fsp = &fp->fsz_next) { 35912032Speter if (ksz < fp->fsz_last) 36012032Speter break; 36112032Speter } 36212032Speter if (!fp || ksz < fp->fsz_first) { 36312032Speter if (!(fp = (struct fsizes *) 36430262Scharnier malloc(sizeof(struct fsizes)))) 36553764Scharnier errx(1, "allocate fsize structure"); 36612032Speter fp->fsz_next = *fsp; 36712032Speter *fsp = fp; 36812032Speter fp->fsz_first = (ksz / FSZCNT) * FSZCNT; 36912032Speter fp->fsz_last = fp->fsz_first + FSZCNT; 37012032Speter for (i = FSZCNT; --i >= 0;) { 37112032Speter fp->fsz_count[i] = 0; 37212032Speter fp->fsz_sz[i] = 0; 37312032Speter } 37412032Speter } 37512032Speter fp->fsz_count[ksz % FSZCNT]++; 37612032Speter fp->fsz_sz[ksz % FSZCNT] += sz; 37712032Speter#endif /* COMPAT */ 37812032Speter } else if (errno) { 37930262Scharnier err(1, "%s", name); 38012032Speter } 38112032Speter } 38212032Speter sz = 0; 38312032Speter for (fp = fsizes; fp; fp = fp->fsz_next) { 38412032Speter for (i = 0; i < FSZCNT; i++) { 38512032Speter if (fp->fsz_count[i]) 38612032Speter printf("%d\t%d\t%d\n",fp->fsz_first + i, 38712032Speter fp->fsz_count[i], 38812032Speter SIZE(sz += fp->fsz_sz[i])); 38912032Speter } 39012032Speter } 39112032Speter} 39212032Speter 39330262Scharnierstatic void 39430262Scharnierdouser(fd,super,name) 39512032Speter struct fs *super; 39612032Speter char *name; 39712032Speter{ 39812032Speter ino_t inode, maxino; 39912032Speter struct user *usr, *usrs; 40012032Speter struct dinode *ip; 40112032Speter register n; 40212032Speter 40312032Speter maxino = super->fs_ncg * super->fs_ipg - 1; 40412032Speter for (inode = 0; inode < maxino; inode++) { 40512032Speter errno = 0; 40612032Speter if ((ip = get_inode(fd,super,inode)) 40712032Speter && !isfree(ip)) 40812032Speter uses(ip->di_uid, 40912032Speter estimate ? virtualblocks(super,ip) : 41012032Speter actualblocks(super,ip), 41112032Speter ip->di_atime); 41212032Speter else if (errno) { 41330262Scharnier err(1, "%s", name); 41412032Speter } 41512032Speter } 41630262Scharnier if (!(usrs = (struct user *)malloc(nusers * sizeof(struct user)))) 41730262Scharnier errx(1, "allocate users"); 41812032Speter bcopy(users,usrs,nusers * sizeof(struct user)); 41912032Speter sortusers(usrs); 42012032Speter for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) { 42112032Speter printf("%5d",SIZE(usr->space)); 42212032Speter if (count) 42312032Speter printf("\t%5d",usr->count); 42412032Speter printf("\t%-8s",usr->name); 42512032Speter if (unused) 42612032Speter printf("\t%5d\t%5d\t%5d", 42712032Speter SIZE(usr->spc30), 42812032Speter SIZE(usr->spc60), 42912032Speter SIZE(usr->spc90)); 43012032Speter printf("\n"); 43112032Speter } 43212032Speter free(usrs); 43312032Speter} 43412032Speter 43530262Scharnierstatic void 43630262Scharnierdonames(fd,super,name) 43712032Speter struct fs *super; 43812032Speter char *name; 43912032Speter{ 44012032Speter int c; 44112032Speter ino_t inode, inode1; 44212032Speter ino_t maxino; 44312032Speter struct dinode *ip; 44412032Speter 44512032Speter maxino = super->fs_ncg * super->fs_ipg - 1; 44612032Speter /* first skip the name of the filesystem */ 44712032Speter while ((c = getchar()) != EOF && (c < '0' || c > '9')) 44812032Speter while ((c = getchar()) != EOF && c != '\n'); 44912032Speter ungetc(c,stdin); 45012032Speter inode1 = -1; 45112032Speter while (scanf("%d",&inode) == 1) { 45212032Speter if (inode < 0 || inode > maxino) { 45330262Scharnier warnx("illegal inode %d",inode); 45412032Speter return; 45512032Speter } 45612032Speter errno = 0; 45712032Speter if ((ip = get_inode(fd,super,inode)) 45812032Speter && !isfree(ip)) { 45912032Speter printf("%s\t",user(ip->di_uid)->name); 46012032Speter /* now skip whitespace */ 46112032Speter while ((c = getchar()) == ' ' || c == '\t'); 46212032Speter /* and print out the remainder of the input line */ 46312032Speter while (c != EOF && c != '\n') { 46412032Speter putchar(c); 46512032Speter c = getchar(); 46612032Speter } 46712032Speter putchar('\n'); 46812032Speter inode1 = inode; 46912032Speter } else { 47012032Speter if (errno) { 47130262Scharnier err(1, "%s", name); 47212032Speter } 47312032Speter /* skip this line */ 47412032Speter while ((c = getchar()) != EOF && c != '\n'); 47512032Speter } 47612032Speter if (c == EOF) 47712032Speter break; 47812032Speter } 47912032Speter} 48012032Speter 48130262Scharnierstatic void 48230262Scharnierusage() 48312032Speter{ 48412032Speter#ifdef COMPAT 48530262Scharnier fprintf(stderr,"usage: quot [-nfcvha] [filesystem ...]\n"); 48612032Speter#else /* COMPAT */ 48753764Scharnier fprintf(stderr,"usage: quot [-acfhknv] [filesystem ...]\n"); 48812032Speter#endif /* COMPAT */ 48912032Speter exit(1); 49012032Speter} 49112032Speter 49212032Speterstatic char superblock[SBSIZE]; 49312032Speter 49430262Scharniervoid 49512032Speterquot(name,mp) 49612032Speter char *name, *mp; 49712032Speter{ 49812032Speter int fd; 49912032Speter 50012032Speter get_inode(-1); /* flush cache */ 50112032Speter inituser(); 50212032Speter initfsizes(); 50312032Speter if ((fd = open(name,0)) < 0 50412032Speter || lseek(fd,SBOFF,0) != SBOFF 50512032Speter || read(fd,superblock,SBSIZE) != SBSIZE) { 50630262Scharnier warn("%s", name); 50712032Speter close(fd); 50812032Speter return; 50912032Speter } 51012032Speter if (((struct fs *)superblock)->fs_magic != FS_MAGIC) { 51130262Scharnier warnx("%s: not a BSD filesystem",name); 51212032Speter close(fd); 51312032Speter return; 51412032Speter } 51512032Speter printf("%s:",name); 51612032Speter if (mp) 51712032Speter printf(" (%s)",mp); 51812032Speter putchar('\n'); 51912032Speter (*func)(fd,superblock,name); 52012032Speter close(fd); 52112032Speter} 52212032Speter 52330262Scharnierint 52430262Scharniermain(argc,argv) 52512032Speter char **argv; 52612032Speter{ 52712032Speter char all = 0; 52812032Speter struct statfs *mp; 52912032Speter char dev[MNAMELEN + 1]; 53012032Speter char *nm; 53112032Speter int cnt; 53212032Speter 53312032Speter func = douser; 53412032Speter#ifndef COMPAT 53512032Speter header = getbsize(&headerlen,&blocksize); 53612032Speter#endif 53712032Speter while (--argc > 0 && **++argv == '-') { 53812032Speter while (*++*argv) { 53912032Speter switch (**argv) { 54012032Speter case 'n': 54112032Speter func = donames; 54212032Speter break; 54312032Speter case 'c': 54412032Speter func = dofsizes; 54512032Speter break; 54612032Speter case 'a': 54712032Speter all = 1; 54812032Speter break; 54912032Speter case 'f': 55012032Speter count = 1; 55112032Speter break; 55212032Speter case 'h': 55312032Speter estimate = 1; 55412032Speter break; 55512032Speter#ifndef COMPAT 55612032Speter case 'k': 55712032Speter blocksize = 1024; 55812032Speter break; 55912032Speter#endif /* COMPAT */ 56012032Speter case 'v': 56112032Speter unused = 1; 56212032Speter break; 56312032Speter default: 56412032Speter usage(); 56512032Speter } 56612032Speter } 56712032Speter } 56812032Speter if (all) { 56912032Speter cnt = getmntinfo(&mp,MNT_NOWAIT); 57012032Speter for (; --cnt >= 0; mp++) { 57132595Sbde if (!strncmp(mp->f_fstypename, "ufs", MFSNAMELEN)) { 57230262Scharnier if ((nm = strrchr(mp->f_mntfromname,'/'))) { 57369793Sobrien sprintf(dev,"%s%s",_PATH_DEV,nm + 1); 57412032Speter nm = dev; 57512032Speter } else 57612032Speter nm = mp->f_mntfromname; 57712032Speter quot(nm,mp->f_mntonname); 57812032Speter } 57912032Speter } 58012032Speter } 58112032Speter while (--argc >= 0) 58212032Speter quot(*argv++,0); 58312032Speter return 0; 58412032Speter} 585