1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "@(#)mktree.c 1.3 07/05/25 SMI" 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <unistd.h> 32 #include <string.h> 33 #include <fcntl.h> 34 #include <sys/stat.h> 35 #include <sys/types.h> 36 #include <sys/errno.h> 37 #include <sys/param.h> 38 39 #define TYPE_D 'D' 40 #define TYPE_F 'F' 41 42 extern int errno; 43 44 static char fdname[MAXPATHLEN] = {0}; 45 static char *pbasedir = NULL; 46 static int nlevel = 2; 47 static int ndir = 2; 48 static int nfile = 2; 49 50 static void usage(char *this); 51 static void crtfile(char *pname); 52 static char *getfdname(char *pdir, char type, int level, int dir, int file); 53 static int mktree(char *pbasedir, int level); 54 55 int 56 main(int argc, char *argv[]) 57 { 58 int c, ret; 59 60 while ((c = getopt(argc, argv, "b:l:d:f:")) != -1) { 61 switch (c) { 62 case 'b': 63 pbasedir = optarg; 64 break; 65 case 'l': 66 nlevel = atoi(optarg); 67 break; 68 case 'd': 69 ndir = atoi(optarg); 70 break; 71 case 'f': 72 nfile = atoi(optarg); 73 break; 74 case '?': 75 usage(argv[0]); 76 } 77 } 78 if (nlevel < 0 || ndir < 0 || nfile < 0 || pbasedir == NULL) { 79 usage(argv[0]); 80 } 81 82 ret = mktree(pbasedir, 1); 83 84 return (ret); 85 } 86 87 static void 88 usage(char *this) 89 { 90 (void) fprintf(stderr, 91 "\tUsage: %s -b <base_dir> -l [nlevel] -d [ndir] -f [nfile]\n", 92 this); 93 exit(1); 94 } 95 96 static int 97 mktree(char *pdir, int level) 98 { 99 int d, f; 100 char dname[MAXPATHLEN] = {0}; 101 char fname[MAXPATHLEN] = {0}; 102 103 if (level > nlevel) { 104 return (1); 105 } 106 107 for (d = 0; d < ndir; d++) { 108 (void) memset(dname, '\0', sizeof (dname)); 109 (void) strcpy(dname, getfdname(pdir, TYPE_D, level, d, 0)); 110 111 if (mkdir(dname, 0777) != 0) { 112 (void) fprintf(stderr, "mkdir(%s) failed." 113 "\n[%d]: %s.\n", 114 dname, errno, strerror(errno)); 115 exit(errno); 116 } 117 118 /* 119 * No sub-directory need be created, only create files in it. 120 */ 121 if (mktree(dname, level+1) != 0) { 122 for (f = 0; f < nfile; f++) { 123 (void) memset(fname, '\0', sizeof (fname)); 124 (void) strcpy(fname, 125 getfdname(dname, TYPE_F, level+1, d, f)); 126 crtfile(fname); 127 } 128 } 129 } 130 131 for (f = 0; f < nfile; f++) { 132 (void) memset(fname, '\0', sizeof (fname)); 133 (void) strcpy(fname, getfdname(pdir, TYPE_F, level, d, f)); 134 crtfile(fname); 135 } 136 137 return (0); 138 } 139 140 static char * 141 getfdname(char *pdir, char type, int level, int dir, int file) 142 { 143 (void) snprintf(fdname, sizeof (fdname), 144 "%s/%c-l%dd%df%d", pdir, type, level, dir, file); 145 return (fdname); 146 } 147 148 static void 149 crtfile(char *pname) 150 { 151 int fd = -1; 152 int afd = -1; 153 int i, size; 154 char *context = "0123456789ABCDF"; 155 char *pbuf; 156 157 if (pname == NULL) { 158 exit(1); 159 } 160 161 size = sizeof (char) * 1024; 162 pbuf = (char *)valloc(size); 163 for (i = 0; i < size / strlen(context); i++) { 164 int offset = i * strlen(context); 165 (void) snprintf(pbuf+offset, size-offset, "%s", context); 166 } 167 168 if ((fd = open(pname, O_CREAT|O_RDWR, 0777)) < 0) { 169 (void) fprintf(stderr, "open(%s, O_CREAT|O_RDWR, 0777) failed." 170 "\n[%d]: %s.\n", pname, errno, strerror(errno)); 171 exit(errno); 172 } 173 if (write(fd, pbuf, 1024) < 1024) { 174 (void) fprintf(stderr, "write(fd, pbuf, 1024) failed." 175 "\n[%d]: %s.\n", errno, strerror(errno)); 176 exit(errno); 177 } 178 179 #if UNSUPPORTED 180 if ((afd = openat(fd, "xattr", O_CREAT | O_RDWR | O_XATTR, 0777)) < 0) { 181 (void) fprintf(stderr, "openat failed.\n[%d]: %s.\n", 182 errno, strerror(errno)); 183 exit(errno); 184 } 185 if (write(afd, pbuf, 1024) < 1024) { 186 (void) fprintf(stderr, "write(afd, pbuf, 1024) failed." 187 "\n[%d]: %s.\n", errno, strerror(errno)); 188 exit(errno); 189 } 190 191 (void) close(afd); 192 #endif 193 (void) close(fd); 194 free(pbuf); 195 } 196