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-rw-r--r--mkfs/options.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/mkfs/options.c b/mkfs/options.c
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index 2369787..0000000
--- a/mkfs/options.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * options.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "mkfs.h"
-
-static struct option long_opts[] = {
- { "compressor", required_argument, NULL, 'c' },
- { "block-size", required_argument, NULL, 'b' },
- { "dev-block-size", required_argument, NULL, 'B' },
- { "defaults", required_argument, NULL, 'd' },
- { "comp-extra", required_argument, NULL, 'X' },
- { "pack-file", required_argument, NULL, 'F' },
- { "pack-dir", required_argument, NULL, 'D' },
- { "num-jobs", required_argument, NULL, 'j' },
- { "queue-backlog", required_argument, NULL, 'Q' },
- { "keep-time", no_argument, NULL, 'k' },
-#ifdef HAVE_SYS_XATTR_H
- { "keep-xattr", no_argument, NULL, 'x' },
-#endif
- { "one-file-system", no_argument, NULL, 'o' },
- { "exportable", no_argument, NULL, 'e' },
- { "no-tail-packing", no_argument, NULL, 'T' },
- { "force", no_argument, NULL, 'f' },
- { "quiet", no_argument, NULL, 'q' },
-#ifdef WITH_SELINUX
- { "selinux", required_argument, NULL, 's' },
-#endif
- { "version", no_argument, NULL, 'V' },
- { "help", no_argument, NULL, 'h' },
- { NULL, 0, NULL, 0 },
-};
-
-static const char *short_opts = "F:D:X:c:b:B:d:j:Q:kxoefqThV"
-#ifdef WITH_SELINUX
-"s:"
-#endif
-#ifdef HAVE_SYS_XATTR_H
-"x"
-#endif
-;
-
-static const char *help_string =
-"Usage: gensquashfs [OPTIONS...] <squashfs-file>\n"
-"\n"
-"Possible options:\n"
-"\n"
-" --pack-file, -F <file> Use a `gen_init_cpio` style description file.\n"
-" The file format is specified below.\n"
-" If --pack-dir is used, input file paths are\n"
-" relative to the pack directory, otherwise\n"
-" they are relative to the directory the pack\n"
-" file is in.\n"
-" --pack-dir, -D <directory> If --pack-file is used, this is the root path\n"
-" relative to which to read files. If no pack\n"
-" file is specified, pack the contents of the\n"
-" given directory into a SquashFS image. The\n"
-" directory becomes the root of the file\n"
-" system.\n"
-"\n"
-" --compressor, -c <name> Select the compressor to use.\n"
-" A list of available compressors is below.\n"
-" --comp-extra, -X <options> A comma separated list of extra options for\n"
-" the selected compressor. Specify 'help' to\n"
-" get a list of available options.\n"
-" --num-jobs, -j <count> Number of compressor jobs to create.\n"
-" --queue-backlog, -Q <count> Maximum number of data blocks in the thread\n"
-" worker queue before the packer starts waiting\n"
-" for the block processors to catch up.\n"
-" Defaults to 10 times the number of jobs.\n"
-" --block-size, -b <size> Block size to use for Squashfs image.\n"
-" Defaults to %u.\n"
-" --dev-block-size, -B <size> Device block size to padd the image to.\n"
-" Defaults to %u.\n"
-" --defaults, -d <options> A comma separated list of default values for\n"
-" implicitly created directories.\n"
-"\n"
-" Possible options:\n"
-" uid=<value> 0 if not set.\n"
-" gid=<value> 0 if not set.\n"
-" mode=<value> 0755 if not set.\n"
-" mtime=<value> 0 if not set.\n"
-"\n"
-#ifdef WITH_SELINUX
-" --selinux, -s <file> Specify an SELinux label file to get context\n"
-" attributes from.\n"
-#endif
-" --keep-time, -k When using --pack-dir only, use the timestamps\n"
-" from the input files instead of setting\n"
-" defaults on all input paths.\n"
-" --keep-xattr, -x When using --pack-dir only, read and pack the\n"
-" extended attributes from the input files.\n"
-" --one-file-system, -o When using --pack-dir only, stay in local file\n"
-" system and do not cross mount points.\n"
-" --exportable, -e Generate an export table for NFS support.\n"
-" --no-tail-packing, -T Do not perform tail end packing on files that\n"
-" are larger than block size.\n"
-" --force, -f Overwrite the output file if it exists.\n"
-" --quiet, -q Do not print out progress reports.\n"
-" --help, -h Print help text and exit.\n"
-" --version, -V Print version information and exit.\n"
-"\n";
-
-const char *help_details =
-"When using the pack file option, the given file is expected to contain\n"
-"newline separated entries that describe the files to be included in the\n"
-"SquashFS image. The following entry types can be specified:\n"
-"\n"
-"# a comment\n"
-"file <path> <mode> <uid> <gid> [<location>]\n"
-"dir <path> <mode> <uid> <gid>\n"
-"nod <path> <mode> <uid> <gid> <dev_type> <maj> <min>\n"
-"slink <path> <mode> <uid> <gid> <target>\n"
-"link <path> <dummy> <dummy> <dummy> <target>\n"
-"pipe <path> <mode> <uid> <gid>\n"
-"sock <path> <mode> <uid> <gid>\n"
-"\n"
-"<path> Absolute path of the entry in the image. Can be put in quotes\n"
-" if some components contain spaces.\n"
-"<location> If given, location of the input file. Either absolute or relative\n"
-" to the description file. If omitted, the image path is used,\n"
-" relative to the description file.\n"
-"<target> Symlink or hardlink target.\n"
-"<mode> Mode/permissions of the entry.\n"
-"<uid> Numeric user id.\n"
-"<gid> Numeric group id.\n"
-"<dev_type> Device type (b=block, c=character).\n"
-"<maj> Major number of a device special file.\n"
-"<min> Minor number of a device special file.\n"
-"\n"
-"Example:\n"
-" # A simple squashfs image\n"
-" dir /dev 0755 0 0\n"
-" nod /dev/console 0600 0 0 c 5 1\n"
-" dir /root 0700 0 0\n"
-" dir /sbin 0755 0 0\n"
-" \n"
-" # Add a file. Input is relative to listing or pack dir.\n"
-" file /sbin/init 0755 0 0 ../init/sbin/init\n"
-" \n"
-" # Read bin/bash, relative to listing or pack dir.\n"
-" # Implicitly create /bin.\n"
-" file /bin/bash 0755 0 0\n"
-" \n"
-" # file name with a space in it.\n"
-" file \"/opt/my app/\\\"special\\\"/data\" 0600 0 0\n"
-"\n\n";
-
-void process_command_line(options_t *opt, int argc, char **argv)
-{
- bool have_compressor;
- int i, ret;
-
- memset(opt, 0, sizeof(*opt));
- sqfs_writer_cfg_init(&opt->cfg);
-
- for (;;) {
- i = getopt_long(argc, argv, short_opts, long_opts, NULL);
- if (i == -1)
- break;
-
- switch (i) {
- case 'T':
- opt->no_tail_packing = true;
- break;
- case 'c':
- have_compressor = true;
- ret = sqfs_compressor_id_from_name(optarg);
-
- if (ret < 0) {
- have_compressor = false;
-#ifdef WITH_LZO
- if (opt->cfg.comp_id == SQFS_COMP_LZO)
- have_compressor = true;
-#endif
- }
-
- if (!have_compressor) {
- fprintf(stderr, "Unsupported compressor '%s'\n",
- optarg);
- exit(EXIT_FAILURE);
- }
-
- opt->cfg.comp_id = ret;
- break;
- case 'b':
- if (parse_size("Block size", &opt->cfg.block_size,
- optarg, 0)) {
- exit(EXIT_FAILURE);
- }
- break;
- case 'j':
- opt->cfg.num_jobs = strtol(optarg, NULL, 0);
- break;
- case 'Q':
- opt->cfg.max_backlog = strtol(optarg, NULL, 0);
- break;
- case 'B':
- if (parse_size("Device block size",
- &opt->cfg.devblksize, optarg, 0)) {
- exit(EXIT_FAILURE);
- }
- if (opt->cfg.devblksize < 1024) {
- fputs("Device block size must be at "
- "least 1024\n", stderr);
- exit(EXIT_FAILURE);
- }
- break;
- case 'd':
- opt->cfg.fs_defaults = optarg;
- break;
- case 'k':
- opt->dirscan_flags |= DIR_SCAN_KEEP_TIME;
- break;
-#ifdef HAVE_SYS_XATTR_H
- case 'x':
- opt->dirscan_flags |= DIR_SCAN_READ_XATTR;
- break;
-#endif
- case 'o':
- opt->dirscan_flags |= DIR_SCAN_ONE_FILESYSTEM;
- break;
- case 'e':
- opt->cfg.exportable = true;
- break;
- case 'f':
- opt->cfg.outmode |= SQFS_FILE_OPEN_OVERWRITE;
- break;
- case 'q':
- opt->cfg.quiet = true;
- break;
- case 'X':
- opt->cfg.comp_extra = optarg;
- break;
- case 'F':
- opt->infile = optarg;
- break;
- case 'D':
- opt->packdir = optarg;
- break;
-#ifdef WITH_SELINUX
- case 's':
- opt->selinux = optarg;
- break;
-#endif
- case 'h':
- printf(help_string,
- SQFS_DEFAULT_BLOCK_SIZE, SQFS_DEVBLK_SIZE);
- fputs(help_details, stdout);
- compressor_print_available();
- exit(EXIT_SUCCESS);
- case 'V':
- print_version("gensquashfs");
- exit(EXIT_SUCCESS);
- default:
- goto fail_arg;
- }
- }
-
- if (opt->cfg.num_jobs < 1)
- opt->cfg.num_jobs = 1;
-
- if (opt->cfg.max_backlog < 1)
- opt->cfg.max_backlog = 10 * opt->cfg.num_jobs;
-
- if (opt->cfg.comp_extra != NULL &&
- strcmp(opt->cfg.comp_extra, "help") == 0) {
- compressor_print_help(opt->cfg.comp_id);
- exit(EXIT_SUCCESS);
- }
-
- if (opt->infile == NULL && opt->packdir == NULL) {
- fputs("No input file or directory specified.\n", stderr);
- goto fail_arg;
- }
-
- if (optind >= argc) {
- fputs("No output file specified.\n", stderr);
- goto fail_arg;
- }
-
- opt->cfg.filename = argv[optind++];
- return;
-fail_arg:
- fputs("Try `gensquashfs --help' for more information.\n", stderr);
- exit(EXIT_FAILURE);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 09:46:06 +0000