1 /* $NetBSD: makefs.c,v 1.7 2001/12/05 11:08:53 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Luke Mewburn for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 #ifndef __lint 40 __RCSID("$NetBSD: makefs.c,v 1.7 2001/12/05 11:08:53 lukem Exp $"); 41 #endif /* !__lint */ 42 43 #include <assert.h> 44 #include <ctype.h> 45 #include <err.h> 46 #include <errno.h> 47 #include <limits.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <unistd.h> 52 53 #include "makefs.h" 54 #include "strsuftoull.h" 55 56 57 /* 58 * list of supported file systems and dispatch functions 59 */ 60 typedef struct { 61 const char *type; 62 int (*parse_options)(const char *, fsinfo_t *); 63 void (*make_fs)(const char *, const char *, fsnode *, 64 fsinfo_t *); 65 } fstype_t; 66 67 static fstype_t fstypes[] = { 68 { "ffs", ffs_parse_opts, ffs_makefs }, 69 { NULL }, 70 }; 71 72 uint debug; 73 struct timespec start_time; 74 75 76 static fstype_t *get_fstype(const char *); 77 static void usage(void); 78 int main(int, char *[]); 79 80 int 81 main(int argc, char *argv[]) 82 { 83 struct timeval start; 84 fstype_t *fstype; 85 fsinfo_t fsoptions; 86 fsnode *root; 87 int ch, len; 88 char *specfile; 89 90 debug = 0; 91 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 92 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 93 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 94 fsoptions.fd = -1; 95 specfile = NULL; 96 if (gettimeofday(&start, NULL) == -1) 97 err(1, "Unable to get system time"); 98 TIMEVAL_TO_TIMESPEC(&start, &start_time); 99 100 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:o:s:S:t:")) != -1) { 101 switch (ch) { 102 103 case 'B': 104 if (strcmp(optarg, "be") == 0 || 105 strcmp(optarg, "big") == 0) { 106 #if BYTE_ORDER == LITTLE_ENDIAN 107 fsoptions.needswap = 1; 108 #endif 109 } else if (strcmp(optarg, "le") == 0 || 110 strcmp(optarg, "little") == 0) { 111 #if BYTE_ORDER == BIG_ENDIAN 112 fsoptions.needswap = 1; 113 #endif 114 } else { 115 warnx("Invalid endian `%s'.", optarg); 116 usage(); 117 } 118 break; 119 120 case 'b': 121 len = strlen(optarg) - 1; 122 if (optarg[len] == '%') { 123 optarg[len] = '\0'; 124 fsoptions.freeblockpc = 125 strsuftoull("free block percentage", 126 optarg, 0, 99); 127 } else { 128 fsoptions.freeblocks = 129 strsuftoull("free blocks", 130 optarg, 0, LLONG_MAX); 131 } 132 break; 133 134 case 'd': 135 debug = 136 (int)strsuftoull("debug mask", optarg, 0, UINT_MAX); 137 break; 138 139 case 'f': 140 len = strlen(optarg) - 1; 141 if (optarg[len] == '%') { 142 optarg[len] = '\0'; 143 fsoptions.freefilepc = 144 strsuftoull("free file percentage", 145 optarg, 0, 99); 146 } else { 147 fsoptions.freefiles = 148 strsuftoull("free files", 149 optarg, 0, LLONG_MAX); 150 } 151 break; 152 153 case 'F': 154 specfile = optarg; 155 break; 156 157 case 'M': 158 fsoptions.minsize = 159 strsuftoull("minimum size", optarg, 1LL, LLONG_MAX); 160 break; 161 162 case 'm': 163 fsoptions.maxsize = 164 strsuftoull("maximum size", optarg, 1LL, LLONG_MAX); 165 break; 166 167 case 'o': 168 { 169 char *p; 170 171 while ((p = strsep(&optarg, ",")) != NULL) { 172 if (*p == '\0') 173 errx(1, "Empty option"); 174 if (! fstype->parse_options(p, &fsoptions)) 175 usage(); 176 } 177 break; 178 } 179 180 case 's': 181 fsoptions.minsize = fsoptions.maxsize = 182 strsuftoull("size", optarg, 1LL, LLONG_MAX); 183 break; 184 185 case 'S': 186 fsoptions.sectorsize = 187 (int)strsuftoull("sector size", optarg, 188 1LL, INT_MAX); 189 break; 190 191 case 't': 192 if ((fstype = get_fstype(optarg)) == NULL) 193 errx(1, "Unknown fs type `%s'.", optarg); 194 break; 195 196 case '?': 197 default: 198 usage(); 199 /* NOTREACHED */ 200 201 } 202 } 203 if (debug) { 204 printf("debug mask: 0x%08x\n", debug); 205 printf("start time: %ld.%ld, %s", 206 (long)start_time.tv_sec, (long)start_time.tv_nsec, 207 ctime(&start_time.tv_sec)); 208 } 209 argc -= optind; 210 argv += optind; 211 212 if (argc != 2) 213 usage(); 214 215 /* walk the tree */ 216 TIMER_START(start); 217 root = walk_dir(argv[1], NULL); 218 TIMER_RESULTS(start, "walk_dir"); 219 220 if (specfile) { /* apply a specfile */ 221 TIMER_START(start); 222 apply_specfile(specfile, argv[1], root); 223 TIMER_RESULTS(start, "apply_specfile"); 224 } 225 226 if (debug & DEBUG_DUMP_FSNODES) { 227 putchar('\n'); 228 dump_fsnodes(argv[1], root); 229 putchar('\n'); 230 } 231 232 /* build the file system */ 233 TIMER_START(start); 234 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 235 TIMER_RESULTS(start, "make_fs"); 236 237 exit(0); 238 /* NOTREACHED */ 239 } 240 241 242 int 243 set_option(option_t *options, const char *var, const char *val) 244 { 245 int i; 246 247 for (i = 0; options[i].name != NULL; i++) { 248 if (strcmp(options[i].name, var) != 0) 249 continue; 250 *options[i].value = (int)strsuftoull(options[i].desc, val, 251 options[i].minimum, options[i].maximum); 252 return (1); 253 } 254 warnx("Unknown option `%s'", var); 255 return (0); 256 } 257 258 259 static fstype_t * 260 get_fstype(const char *type) 261 { 262 int i; 263 264 for (i = 0; fstypes[i].type != NULL; i++) 265 if (strcmp(fstypes[i].type, type) == 0) 266 return (&fstypes[i]); 267 return (NULL); 268 } 269 270 static void 271 usage(void) 272 { 273 const char *prog; 274 275 prog = getprogname(); 276 fprintf(stderr, 277 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 278 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 279 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile]\n" 280 "\timage-file directory\n", 281 prog); 282 exit(1); 283 } 284