3 * Copyright (C) 2010 Simone Piccardi
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 /*****************************************************************************
21 * File mysetquota.c: An example for quotactl function
23 * Author: S. Piccardi Jun. 2010
25 *****************************************************************************/
26 #include <string.h> /* C strings library */
27 #include <sys/types.h> /* primitive system data types */
28 #include <sys/stat.h> /* file characteristics constants and functions */
29 #include <unistd.h> /* unix standard library */
30 #include <stdlib.h> /* C standard library */
31 #include <stdio.h> /* standard I/O library */
32 #include <sys/quota.h>
37 * Use quotactl to set an user quota
40 /* Help printing routine */
42 void printquota(struct dqblk dq);
44 int main(int argc, char *argv[])
47 * Variables definition
54 * Input section: decode command line parameters
57 opterr = 0; /* don't want writing to stderr */
58 while ( (i = getopt(argc, argv, "hgu")) != -1) {
63 case 'h': /* help option */
66 case 'g': /* group option */
69 case 'u': /* user option */
72 case '?': /* unrecognized options */
73 printf("Unrecognized options -%c\n",optopt);
75 default: /* should not reached */
79 /* ***********************************************************
81 * Options processing completed
85 * ***********************************************************/
86 /* remaining argument check */
87 if ((argc - optind) != 6) {
88 printf("Wrong number of arguments %d\n", argc - optind);
92 ret = quotactl(QCMD(Q_GETQUOTA,who), argv[optind+1], uid, (caddr_t) &dq);
94 printf("Previous values\n");
101 uid = atoi(argv[optind]);
102 dq.dqb_bsoftlimit = atoi(argv[optind+2]);
103 dq.dqb_bhardlimit = atoi(argv[optind+3]);
104 dq.dqb_isoftlimit = atoi(argv[optind+4]);
105 dq.dqb_ihardlimit = atoi(argv[optind+5]);
106 dq.dqb_valid = QIF_LIMITS;
107 ret = quotactl(QCMD(Q_SETQUOTA,who), argv[optind+1], uid, (caddr_t) &dq);
109 ret = quotactl(QCMD(Q_GETQUOTA,who), argv[optind+1], uid, (caddr_t) &dq);
111 printf("After values\n");
114 perror("errore in rilettura");
118 perror("errore in scrittura");
125 * routine to print usage info and exit
128 printf("Program mysetquota: set an user quota \n");
130 printf("mysetquota [-u|-g] uid filesystem \n");
134 void printquota(struct dqblk dq)
136 printf("Data:%lld\n", dq.dqb_curspace);
137 printf("Soft:%lld\tHard: %lld\tGrace: %lld\n", dq.dqb_bsoftlimit, dq.dqb_bhardlimit, dq.dqb_btime);
138 printf("Files: %lld\n", dq.dqb_curinodes);
139 printf("Soft: %lld\tHard: %lld\tGrace: %lld\n", dq.dqb_isoftlimit, dq.dqb_ihardlimit, dq.dqb_itime);