makefs.c revision 1.10
1 /* $NetBSD: makefs.c,v 1.10 2002/01/22 13:03:57 is 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 1.10 2002/01/22 13:03:57 is Exp $"); 41 #endif /* !__lint */ 42 43 #ifdef HAVE_CONFIG_H 44 #include <config.h> 45 #endif 46 47 #include <assert.h> 48 #include <ctype.h> 49 #include <err.h> 50 #include <errno.h> 51 #include <limits.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <unistd.h> 56 57 #include "makefs.h" 58 #include "strsuftoull.h" 59 60 61 /* 62 * list of supported file systems and dispatch functions 63 */ 64 typedef struct { 65 const char *type; 66 int (*parse_options)(const char *, fsinfo_t *); 67 void (*make_fs)(const char *, const char *, fsnode *, 68 fsinfo_t *); 69 } fstype_t; 70 71 static fstype_t fstypes[] = { 72 { "ffs", ffs_parse_opts, ffs_makefs }, 73 { NULL }, 74 }; 75 76 uint debug; 77 struct timespec start_time; 78 79 80 static fstype_t *get_fstype(const char *); 81 static void usage(void); 82 int main(int, char *[]); 83 84 int 85 main(int argc, char *argv[]) 86 { 87 struct timeval start; 88 fstype_t *fstype; 89 fsinfo_t fsoptions; 90 fsnode *root; 91 int ch, len; 92 char *specfile; 93 94 setprogname(argv[0]); 95 96 debug = 0; 97 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 98 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 99 100 /* set default fsoptions */ 101 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 102 fsoptions.fd = -1; 103 fsoptions.sectorsize = -1; 104 fsoptions.bsize= -1; 105 fsoptions.fsize= -1; 106 fsoptions.cpg= -1; 107 fsoptions.density= -1; 108 fsoptions.ntracks= -1; 109 fsoptions.nsectors= -1; 110 fsoptions.rpm= -1; 111 fsoptions.minfree= -1; 112 fsoptions.optimization= -1; 113 fsoptions.maxcontig= -1; 114 fsoptions.rotdelay= -1; 115 fsoptions.maxbpg= -1; 116 fsoptions.nrpos= -1; 117 fsoptions.avgfilesize= -1; 118 fsoptions.avgfpdir= -1; 119 120 specfile = NULL; 121 if (gettimeofday(&start, NULL) == -1) 122 err(1, "Unable to get system time"); 123 TIMEVAL_TO_TIMESPEC(&start, &start_time); 124 125 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:o:s:S:t:")) != -1) { 126 switch (ch) { 127 128 case 'B': 129 if (strcmp(optarg, "be") == 0 || 130 strcmp(optarg, "big") == 0) { 131 #if BYTE_ORDER == LITTLE_ENDIAN 132 fsoptions.needswap = 1; 133 #endif 134 } else if (strcmp(optarg, "le") == 0 || 135 strcmp(optarg, "little") == 0) { 136 #if BYTE_ORDER == BIG_ENDIAN 137 fsoptions.needswap = 1; 138 #endif 139 } else { 140 warnx("Invalid endian `%s'.", optarg); 141 usage(); 142 } 143 break; 144 145 case 'b': 146 len = strlen(optarg) - 1; 147 if (optarg[len] == '%') { 148 optarg[len] = '\0'; 149 fsoptions.freeblockpc = 150 strsuftoull("free block percentage", 151 optarg, 0, 99); 152 } else { 153 fsoptions.freeblocks = 154 strsuftoull("free blocks", 155 optarg, 0, LLONG_MAX); 156 } 157 break; 158 159 case 'd': 160 debug = 161 (int)strsuftoull("debug mask", optarg, 0, UINT_MAX); 162 break; 163 164 case 'f': 165 len = strlen(optarg) - 1; 166 if (optarg[len] == '%') { 167 optarg[len] = '\0'; 168 fsoptions.freefilepc = 169 strsuftoull("free file percentage", 170 optarg, 0, 99); 171 } else { 172 fsoptions.freefiles = 173 strsuftoull("free files", 174 optarg, 0, LLONG_MAX); 175 } 176 break; 177 178 case 'F': 179 specfile = optarg; 180 break; 181 182 case 'M': 183 fsoptions.minsize = 184 strsuftoull("minimum size", optarg, 1LL, LLONG_MAX); 185 break; 186 187 case 'm': 188 fsoptions.maxsize = 189 strsuftoull("maximum size", optarg, 1LL, LLONG_MAX); 190 break; 191 192 case 'o': 193 { 194 char *p; 195 196 while ((p = strsep(&optarg, ",")) != NULL) { 197 if (*p == '\0') 198 errx(1, "Empty option"); 199 if (! fstype->parse_options(p, &fsoptions)) 200 usage(); 201 } 202 break; 203 } 204 205 case 's': 206 fsoptions.minsize = fsoptions.maxsize = 207 strsuftoull("size", optarg, 1LL, LLONG_MAX); 208 break; 209 210 case 'S': 211 fsoptions.sectorsize = 212 (int)strsuftoull("sector size", optarg, 213 1LL, INT_MAX); 214 break; 215 216 case 't': 217 if ((fstype = get_fstype(optarg)) == NULL) 218 errx(1, "Unknown fs type `%s'.", optarg); 219 break; 220 221 case '?': 222 default: 223 usage(); 224 /* NOTREACHED */ 225 226 } 227 } 228 if (debug) { 229 printf("debug mask: 0x%08x\n", debug); 230 printf("start time: %ld.%ld, %s", 231 (long)start_time.tv_sec, (long)start_time.tv_nsec, 232 ctime(&start_time.tv_sec)); 233 } 234 argc -= optind; 235 argv += optind; 236 237 if (argc != 2) 238 usage(); 239 240 /* walk the tree */ 241 TIMER_START(start); 242 root = walk_dir(argv[1], NULL); 243 TIMER_RESULTS(start, "walk_dir"); 244 245 if (specfile) { /* apply a specfile */ 246 TIMER_START(start); 247 apply_specfile(specfile, argv[1], root); 248 TIMER_RESULTS(start, "apply_specfile"); 249 } 250 251 if (debug & DEBUG_DUMP_FSNODES) { 252 putchar('\n'); 253 dump_fsnodes(argv[1], root); 254 putchar('\n'); 255 } 256 257 /* build the file system */ 258 TIMER_START(start); 259 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 260 TIMER_RESULTS(start, "make_fs"); 261 262 exit(0); 263 /* NOTREACHED */ 264 } 265 266 267 int 268 set_option(option_t *options, const char *var, const char *val) 269 { 270 int i; 271 272 for (i = 0; options[i].name != NULL; i++) { 273 if (strcmp(options[i].name, var) != 0) 274 continue; 275 *options[i].value = (int)strsuftoull(options[i].desc, val, 276 options[i].minimum, options[i].maximum); 277 return (1); 278 } 279 warnx("Unknown option `%s'", var); 280 return (0); 281 } 282 283 284 static fstype_t * 285 get_fstype(const char *type) 286 { 287 int i; 288 289 for (i = 0; fstypes[i].type != NULL; i++) 290 if (strcmp(fstypes[i].type, type) == 0) 291 return (&fstypes[i]); 292 return (NULL); 293 } 294 295 static void 296 usage(void) 297 { 298 const char *prog; 299 300 prog = getprogname(); 301 fprintf(stderr, 302 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 303 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 304 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile]\n" 305 "\timage-file directory\n", 306 prog); 307 exit(1); 308 } 309
Indexes created Mon Sep 22 21:09:42 GMT 2025