]> wimlib.net Git - wimlib/blobdiff - programs/imagex.c
Fix default capture config
[wimlib] / programs / imagex.c
index 2b2cf48d3d2ae0080876a72e4e379510cd27c64e..f07b11833cf0484951de4776c2d690137e2db52a 100644 (file)
@@ -3,7 +3,9 @@
  *
  * Use wimlib to create, modify, extract, mount, unmount, or display information
  * about a WIM file
- *
+ */
+
+/*
  * Copyright (C) 2012 Eric Biggers
  *
  * This program is free software: you can redistribute it and/or modify
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "wimlib.h"
 #include "config.h"
+
+#include "wimlib.h"
+
+#include <errno.h>
 #include <getopt.h>
-#include <stdlib.h>
+#include <glob.h>
+#include <inttypes.h>
+#include <libgen.h>
+#include <limits.h>
 #include <stdarg.h>
+#include <stdlib.h>
 #include <string.h>
-#include <errno.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
 
-#define swap(a, b) ({ typeof(a) __a = (a); typeof(b) __b = (b); \
-                               a = __b; b = __a; })
-
 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (char**)argv, "", \
                                opts, NULL)) != -1)
 
@@ -45,60 +51,61 @@ enum imagex_op_type {
        DIR,
        EXPORT,
        INFO,
+       JOIN,
        MOUNT,
        MOUNTRW,
+       OPTIMIZE,
+       SPLIT,
        UNMOUNT,
 };
 
-static const char *path_basename(const char *path)
-{
-       const char *p = path;
-       while (*p)
-               p++;
-       p--;
-
-       /* Trailing slashes. */
-       while ((p != path - 1) && *p == '/')
-               p--;
-
-       while ((p != path - 1) && *p != '/')
-               p--;
-
-       return p + 1;
-}
-
+static void usage(int cmd_type);
+static void usage_all();
 
 static const char *usage_strings[] = {
-[APPEND] = 
-"    imagex append DIRECTORY WIMFILE [\"IMAGE_NAME\"] [\"DESCRIPTION\"] [--boot]\n"
-"        [--check] [--config CONFIG_FILE] [--flags EDITIONID] [--verify]\n",
-[APPLY] = 
-"    imagex apply WIMFILE [IMAGE_NUM | IMAGE_NAME | all] DIRECTORY [--check]\n"
-"        [--verify] [--hardlink] [--symlink] [--verbose]\n",
-[CAPTURE] = 
-"    imagex capture DIRECTORY WIMFILE [\"IMAGE_NAME\"] [\"DESCRIPTION\"]\n"
-"        [--boot] [--check] [--compress[=TYPE]] [--config CONFIG_FILE]\n"
-"        [--flags \"EditionID\"] [--norpfix] [--verify] [--verbose]\n",
-[DELETE] = 
-"    imagex delete WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check]\n",
-[DIR] = 
-"    imagex dir WIMFILE (IMAGE_NUM | IMAGE_NAME | \"all\")\n",
-[EXPORT] = 
-"    imagex export SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
-"        DEST_WIMFILE [\"DEST_IMAGE_NAME\"] [\"DEST_IMAGE_DESCRIPTION\"]\n"
-"        [--boot] [--check] [--compress[=TYPE]]\n",
-[INFO] = 
-"    imagex info WIMFILE [IMAGE_NUM | IMAGE_NAME] [NEW_NAME]\n"
-"        [NEW_DESC] [--boot] [--check] [--header] [--lookup-table]\n"
-"        [--xml] [--extract-xml FILE] [--metadata]\n",
-[MOUNT] = 
-"    imagex mount WIMFILE (IMAGE_NUM | IMAGE_NAME) DIRECTORY\n"
-"        [--check] [--debug]\n",
-[MOUNTRW] = 
-"    imagex mountrw WIMFILE [IMAGE_NUM | IMAGE_NAME] DIRECTORY\n"
-"        [--check] [--debug]\n",
-[UNMOUNT] = 
-"    imagex unmount DIRECTORY [--commit] [--check]\n",
+[APPEND] =
+"imagex append (DIRECTORY | NTFS_VOLUME) WIMFILE [IMAGE_NAME]\n"
+"                     [DESCRIPTION] [--boot] [--check] [--flags EDITION_ID]\n"
+"                     [--verbose] [--dereference] [--config=FILE]\n"
+"                     [--threads=NUM_THREADS] [--rebuild] [--unix-data]\n",
+[APPLY] =
+"imagex apply WIMFILE [IMAGE_NUM | IMAGE_NAME | all]\n"
+"                    (DIRECTORY | NTFS_VOLUME) [--check] [--hardlink]\n"
+"                    [--symlink] [--verbose] [--ref=\"GLOB\"] [--unix-data]\n",
+[CAPTURE] =
+"imagex capture (DIRECTORY | NTFS_VOLUME) WIMFILE [IMAGE_NAME]\n"
+"                      [DESCRIPTION] [--boot] [--check] [--compress=TYPE]\n"
+"                      [--flags EDITION_ID] [--verbose] [--dereference]\n"
+"                      [--config=FILE] [--threads=NUM_THREADS] [--unix-data]\n",
+[DELETE] =
+"imagex delete WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check] [--soft]\n",
+[DIR] =
+"imagex dir WIMFILE (IMAGE_NUM | IMAGE_NAME | all)\n",
+[EXPORT] =
+"imagex export SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
+"              DEST_WIMFILE [DEST_IMAGE_NAME] [DEST_IMAGE_DESCRIPTION]\n"
+"              [--boot] [--check] [--compress=TYPE] [--ref=\"GLOB\"]\n"
+"              [--threads=NUM_THREADS] [--rebuild]\n",
+[INFO] =
+"imagex info WIMFILE [IMAGE_NUM | IMAGE_NAME] [NEW_NAME]\n"
+"                   [NEW_DESC] [--boot] [--check] [--header] [--lookup-table]\n"
+"                   [--xml] [--extract-xml FILE] [--metadata]\n",
+[JOIN] =
+"imagex join [--check] WIMFILE SPLIT_WIM...\n",
+[MOUNT] =
+"imagex mount WIMFILE (IMAGE_NUM | IMAGE_NAME) DIRECTORY\n"
+"                    [--check] [--debug] [--streams-interface=INTERFACE]\n"
+"                    [--ref=\"GLOB\"] [--unix-data] [--allow-other]\n",
+[MOUNTRW] =
+"imagex mountrw WIMFILE [IMAGE_NUM | IMAGE_NAME] DIRECTORY\n"
+"                      [--check] [--debug] [--streams-interface=INTERFACE]\n"
+"                      [--staging-dir=DIR] [--unix-data] [--allow-other]\n",
+[OPTIMIZE] =
+"imagex optimize WIMFILE [--check] [--recompress] [--compress=TYPE]\n",
+[SPLIT] =
+"imagex split WIMFILE SPLIT_WIMFILE PART_SIZE_MB [--check]\n",
+[UNMOUNT] =
+"imagex unmount DIRECTORY [--commit] [--check] [--rebuild]\n",
 };
 
 static const struct option common_options[] = {
@@ -107,68 +114,91 @@ static const struct option common_options[] = {
        {NULL, 0, NULL, 0},
 };
 
-static const struct option append_options[] = {
-       {"boot",   no_argument,       NULL, 'b'},
-       {"check",  no_argument,       NULL, 'c'},
-       {"config", required_argument, NULL, 'C'},
-       {"flags",    required_argument, NULL, 'f'},
-       {"verify", no_argument,       NULL, 'V'},
-       {NULL, 0, NULL, 0},
-};
 static const struct option apply_options[] = {
-       {"check",    no_argument,       NULL, 'c'},
-       {"verify",   no_argument,       NULL, 'V'},
-       {"hardlink", no_argument,       NULL, 'h'},
-       {"symlink",  no_argument,       NULL, 's'},
-       {"verbose",  no_argument,       NULL, 'v'},
+       {"check",     no_argument,       NULL, 'c'},
+       {"hardlink",  no_argument,       NULL, 'h'},
+       {"symlink",   no_argument,       NULL, 's'},
+       {"verbose",   no_argument,       NULL, 'v'},
+       {"ref",       required_argument, NULL, 'r'},
+       {"unix-data", no_argument,       NULL, 'U'},
        {NULL, 0, NULL, 0},
 };
-static const struct option capture_options[] = {
-       {"boot",     no_argument,       NULL, 'b'},
-       {"check",    no_argument,       NULL, 'c'},
-       {"compress", optional_argument, NULL, 'x'},
-       {"config",   required_argument, NULL, 'C'},
-       {"flags",    required_argument, NULL, 'f'},
-       {"norpfix",  no_argument,       NULL, 'n'},
-       {"verify",   no_argument,       NULL, 'V'},
-       {"verbose",   no_argument,       NULL, 'v'},
+static const struct option capture_or_append_options[] = {
+       {"boot",        no_argument,       NULL, 'b'},
+       {"check",       no_argument,       NULL, 'c'},
+       {"compress",    required_argument, NULL, 'x'},
+       {"config",      required_argument, NULL, 'C'},
+       {"dereference", no_argument,       NULL, 'L'},
+       {"flags",       required_argument, NULL, 'f'},
+       {"verbose",     no_argument,       NULL, 'v'},
+       {"threads",     required_argument, NULL, 't'},
+       {"rebuild",     no_argument,       NULL, 'R'},
+       {"unix-data",   no_argument,       NULL, 'U'},
        {NULL, 0, NULL, 0},
 };
 static const struct option delete_options[] = {
        {"check", no_argument, NULL, 'c'},
+       {"soft",  no_argument, NULL, 's'},
        {NULL, 0, NULL, 0},
 };
 
 static const struct option export_options[] = {
-       {"boot",       no_argument, NULL, 'b'},
-       {"check",      no_argument , NULL, 'c'},
-       {"compress",   optional_argument, NULL, 'x'},
+       {"boot",       no_argument,       NULL, 'b'},
+       {"check",      no_argument,       NULL, 'c'},
+       {"compress",   required_argument, NULL, 'x'},
+       {"ref",        required_argument, NULL, 'r'},
+       {"threads",    required_argument, NULL, 't'},
+       {"rebuild",    no_argument,       NULL, 'R'},
        {NULL, 0, NULL, 0},
 };
 
 static const struct option info_options[] = {
        {"boot",         no_argument, NULL, 'b'},
        {"check",        no_argument, NULL, 'c'},
+       {"extract-xml",  required_argument, NULL, 'X'},
        {"header",       no_argument, NULL, 'h'},
        {"lookup-table", no_argument, NULL, 'l'},
-       {"xml",          no_argument, NULL, 'x'},
-       {"extract-xml",  required_argument, NULL, 'X'},
        {"metadata",     no_argument, NULL, 'm'},
+       {"xml",          no_argument, NULL, 'x'},
        {NULL, 0, NULL, 0},
 };
+
+static const struct option join_options[] = {
+       {"check", no_argument, NULL, 'c'},
+       {NULL, 0, NULL, 0},
+};
+
 static const struct option mount_options[] = {
+       {"check",             no_argument,       NULL, 'c'},
+       {"debug",             no_argument,       NULL, 'd'},
+       {"streams-interface", required_argument, NULL, 's'},
+       {"ref",               required_argument, NULL, 'r'},
+       {"staging-dir",       required_argument, NULL, 'D'},
+       {"unix-data",         no_argument,       NULL, 'U'},
+       {"allow-other",       no_argument,       NULL, 'A'},
+       {NULL, 0, NULL, 0},
+};
+
+static const struct option optimize_options[] = {
+       {"check",      no_argument, NULL, 'c'},
+       {"recompress", no_argument, NULL, 'r'},
+       {NULL, 0, NULL, 0},
+};
+
+static const struct option split_options[] = {
        {"check", no_argument, NULL, 'c'},
-       {"debug", no_argument, NULL, 'd'},
        {NULL, 0, NULL, 0},
 };
 
 static const struct option unmount_options[] = {
-       {"commit", no_argument, NULL, 'c'},
-       {"check", no_argument, NULL, 'C'},
+       {"commit",  no_argument, NULL, 'c'},
+       {"check",   no_argument, NULL, 'C'},
+       {"rebuild", no_argument, NULL, 'R'},
        {NULL, 0, NULL, 0},
 };
 
 
+
 /* Print formatted error message to stderr. */
 static void imagex_error(const char *format, ...)
 {
@@ -176,65 +206,51 @@ static void imagex_error(const char *format, ...)
        va_start(va, format);
        fputs("ERROR: ", stderr);
        vfprintf(stderr, format, va);
+       putc('\n', stderr);
        va_end(va);
 }
 
-
-static inline void version()
-{
-       static const char *s = 
-       "imagex (" PACKAGE ") " PACKAGE_VERSION "\n"
-       "Copyright (C) 2012 Eric Biggers\n"
-       "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
-       "This is free software: you are free to change and redistribute it.\n"
-       "There is NO WARRANTY, to the extent permitted by law.\n"
-       "\n"
-       "Report bugs to "PACKAGE_BUGREPORT".\n";
-       fputs(s, stdout);
-}
-
-static inline void usage(int cmd)
-{
-       puts("IMAGEX: Usage:");
-       fputs(usage_strings[cmd], stdout);
-}
-
-static void usage_all()
+/* Print formatted error message to stderr. */
+static void imagex_error_with_errno(const char *format, ...)
 {
-       puts("IMAGEX: Usage:");
-       for (int i = 0; i < ARRAY_LEN(usage_strings); i++)
-               fputs(usage_strings[i], stdout);
-       static const char *extra = 
-"    imagex --help\n"
-"    imagex --version\n"
-"\n"
-"    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
-       ;
-       fputs(extra, stdout);
+       int errno_save = errno;
+       va_list va;
+       va_start(va, format);
+       fputs("ERROR: ", stderr);
+       vfprintf(stderr, format, va);
+       fprintf(stderr, ": %s\n", strerror(errno_save));
+       va_end(va);
 }
 
-static int verify_image_exists(int image)
+static int verify_image_exists(int image, const char *image_name,
+                              const char *wim_name)
 {
-       if (image == WIM_NO_IMAGE) {
-               imagex_error("Not a valid image!\n");
-               return WIMLIB_ERR_INVALID_IMAGE;
+       if (image == WIMLIB_NO_IMAGE) {
+               imagex_error("\"%s\" is not a valid image in `%s'!\n"
+                            "       Please specify a 1-based imagex index or "
+                            "image name.\n"
+                            "       You may use `imagex info' to list the images "
+                            "contained in a WIM.",
+                            image_name, wim_name);
+               return -1;
        }
        return 0;
 }
 
 static int verify_image_is_single(int image)
 {
-       if (image == WIM_ALL_IMAGES) {
-               imagex_error("Cannot specify all images for this action!\n");
-               return WIMLIB_ERR_INVALID_IMAGE;
+       if (image == WIMLIB_ALL_IMAGES) {
+               imagex_error("Cannot specify all images for this action!");
+               return -1;
        }
        return 0;
 }
 
-static int verify_image_exists_and_is_single(int image)
+static int verify_image_exists_and_is_single(int image, const char *image_name,
+                                            const char *wim_name)
 {
        int ret;
-       ret = verify_image_exists(image);
+       ret = verify_image_exists(image, image_name, wim_name);
        if (ret == 0)
                ret = verify_image_is_single(image);
        return ret;
@@ -242,115 +258,344 @@ static int verify_image_exists_and_is_single(int image)
 
 static int get_compression_type(const char *optarg)
 {
-       if (!optarg)
-               return WIM_COMPRESSION_TYPE_LZX;
        if (strcasecmp(optarg, "maximum") == 0 || strcasecmp(optarg, "lzx") == 0)
-               return WIM_COMPRESSION_TYPE_LZX;
+               return WIMLIB_COMPRESSION_TYPE_LZX;
        else if (strcasecmp(optarg, "fast") == 0 || strcasecmp(optarg, "xpress") == 0)
-               return WIM_COMPRESSION_TYPE_XPRESS;
+               return WIMLIB_COMPRESSION_TYPE_XPRESS;
        else if (strcasecmp(optarg, "none") == 0)
-               return WIM_COMPRESSION_TYPE_NONE;
+               return WIMLIB_COMPRESSION_TYPE_NONE;
        else {
                imagex_error("Invalid compression type `%s'! Must be "
-                               "\"maximum\", \"fast\", or \"none\".\n", 
-                               optarg);
-               return WIM_COMPRESSION_TYPE_INVALID;
+                            "\"maximum\", \"fast\", or \"none\".", optarg);
+               return WIMLIB_COMPRESSION_TYPE_INVALID;
        }
 }
 
-static int imagex_append(int argc, const char **argv)
+static off_t file_get_size(const char *filename)
 {
-       int c;
-       const char *flags_element = NULL;
-       int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
-       int add_image_flags = 0;
-       int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
-       const char *dir;
-       const char *wimfile;
-       const char *name;
-       const char *desc;
-       WIMStruct *w;
-       int ret;
+       struct stat st;
+       if (stat(filename, &st) == 0)
+               return st.st_size;
+       else
+               return (off_t)-1;
+}
 
-       for_opt(c, append_options) {
-               switch (c) {
-               case 'b':
-                       add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
-                       break;
-               case 'c':
-                       open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
-                       write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
-                       break;
-               case 'C':
-                       /*config = optarg;*/
-                       break;
-               case 'f':
-                       flags_element = optarg;
-                       break;
-               case 'V':
-                       /* verify */
-                       break;
-               default:
-                       usage(APPEND);
-                       return -1;
-               }
+static const char *default_capture_config =
+"[ExclusionList]\n"
+"\\$ntfs.log\n"
+"\\hiberfil.sys\n"
+"\\pagefile.sys\n"
+"\\System Volume Information\n"
+"\\RECYCLER\n"
+"\\Windows\\CSC\n"
+"\n"
+"[CompressionExclusionList]\n"
+"*.mp3\n"
+"*.zip\n"
+"*.cab\n"
+"\\WINDOWS\\inf\\*.pnf\n";
+
+static char *file_get_contents(const char *filename, size_t *len_ret)
+{
+       struct stat stbuf;
+       char *buf;
+       size_t len;
+       FILE *fp;
+
+       if (stat(filename, &stbuf) != 0) {
+               imagex_error_with_errno("Failed to stat the file `%s'", filename);
+               return NULL;
        }
-       argc -= optind;
-       argv += optind;
-       if (argc < 2 || argc > 4) {
-               usage(APPEND);
-               return -1;
+       len = stbuf.st_size;
+
+       fp = fopen(filename, "rb");
+       if (!fp) {
+               imagex_error_with_errno("Failed to open the file `%s'", filename);
+               return NULL;
        }
-       dir     = argv[0];
-       wimfile = argv[1];
-       name    = (argc >= 3) ? argv[2] : path_basename(dir);
-       desc    = (argc >= 4) ? argv[3] : NULL;
 
-       ret = wimlib_open_wim(wimfile, open_flags, &w);
-       if (ret != 0)
-               return ret;
+       buf = malloc(len);
+       if (!buf) {
+               imagex_error("Failed to allocate buffer of %zu bytes to hold "
+                            "contents of file `%s'", len, filename);
+               goto out_fclose;
+       }
+       if (fread(buf, 1, len, fp) != len) {
+               imagex_error_with_errno("Failed to read %lu bytes from the "
+                                       "file `%s'", len, filename);
+               goto out_free_buf;
+       }
+       *len_ret = len;
+       return buf;
+out_free_buf:
+       free(buf);
+out_fclose:
+       fclose(fp);
+       return NULL;
+}
 
-       ret = wimlib_add_image(w, dir, name, desc, 
-                              flags_element, add_image_flags);
+static int file_writable(const char *path)
+{
+       int ret;
+       ret = access(path, W_OK);
        if (ret != 0)
-               goto done;
-       ret = wimlib_overwrite(w, write_flags);
-done:
-       wimlib_free(w);
+               imagex_error_with_errno("Can't modify `%s'", path);
+       return ret;
+}
+
+#define TO_PERCENT(numerator, denominator) \
+       (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
+
+static const char *get_data_type(int ctype)
+{
+       switch (ctype) {
+       case WIMLIB_COMPRESSION_TYPE_NONE:
+               return "uncompressed";
+       case WIMLIB_COMPRESSION_TYPE_LZX:
+               return "LZX-compressed";
+       case WIMLIB_COMPRESSION_TYPE_XPRESS:
+               return "XPRESS-compressed";
+       }
+       return NULL;
+}
+
+static int imagex_progress_func(enum wimlib_progress_msg msg,
+                               const union wimlib_progress_info *info)
+{
+       unsigned percent_done;
+       switch (msg) {
+       case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
+               percent_done = TO_PERCENT(info->write_streams.completed_bytes,
+                                         info->write_streams.total_bytes);
+               if (info->write_streams.completed_streams == 0) {
+                       const char *data_type;
+
+                       data_type = get_data_type(info->write_streams.compression_type);
+                       printf("Writing %s data using %u thread%s\n",
+                              data_type, info->write_streams.num_threads,
+                              (info->write_streams.num_threads == 1) ? "" : "s");
+               }
+               printf("\r%"PRIu64" MiB of %"PRIu64" MiB (uncompressed) "
+                      "written (%u%% done)",
+                      info->write_streams.completed_bytes >> 20,
+                      info->write_streams.total_bytes >> 20,
+                      percent_done);
+               if (info->write_streams.completed_bytes >= info->write_streams.total_bytes)
+                       putchar('\n');
+               break;
+       case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
+               printf("Scanning `%s'...\n", info->scan.source);
+               break;
+       case WIMLIB_PROGRESS_MSG_SCAN_DENTRY:
+               if (info->scan.excluded)
+                       printf("Excluding `%s' from capture\n", info->scan.cur_path);
+               else
+                       printf("Scanning `%s'\n", info->scan.cur_path);
+               break;
+       /*case WIMLIB_PROGRESS_MSG_SCAN_END:*/
+               /*break;*/
+       case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
+               percent_done = TO_PERCENT(info->integrity.completed_bytes,
+                                         info->integrity.total_bytes);
+               printf("\rVerifying integrity of `%s': %"PRIu64" MiB "
+                      "of %"PRIu64" MiB (%u%%) done",
+                      info->integrity.filename,
+                      info->integrity.completed_bytes >> 20,
+                      info->integrity.total_bytes >> 20,
+                      percent_done);
+               if (info->integrity.completed_bytes == info->integrity.total_bytes)
+                       putchar('\n');
+               break;
+       case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
+               percent_done = TO_PERCENT(info->integrity.completed_bytes,
+                                         info->integrity.total_bytes);
+               printf("\rCalculating integrity table for WIM: %"PRIu64" MiB "
+                      "of %"PRIu64" MiB (%u%%) done",
+                      info->integrity.completed_bytes >> 20,
+                      info->integrity.total_bytes >> 20,
+                      percent_done);
+               if (info->integrity.completed_bytes == info->integrity.total_bytes)
+                       putchar('\n');
+               break;
+       case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
+               printf("Applying image %d (%s) from `%s' to %s `%s'\n",
+                      info->extract.image,
+                      info->extract.image_name,
+                      info->extract.wimfile_name,
+                      ((info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) ?
+                               "NTFS volume" : "directory"),
+                      info->extract.target);
+               break;
+       /*case WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_BEGIN:*/
+               /*printf("Applying directory structure to %s\n",*/
+                      /*info->extract.target);*/
+               /*break;*/
+       case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
+               percent_done = TO_PERCENT(info->extract.completed_bytes,
+                                         info->extract.total_bytes);
+               printf("\rExtracting files: "
+                      "%"PRIu64" MiB of %"PRIu64" MiB (%u%%) done",
+                      info->extract.completed_bytes >> 20,
+                      info->extract.total_bytes >> 20,
+                      percent_done);
+               if (info->extract.completed_bytes >= info->extract.total_bytes)
+                       putchar('\n');
+               break;
+       case WIMLIB_PROGRESS_MSG_EXTRACT_DENTRY:
+               puts(info->extract.cur_path);
+               break;
+       case WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS:
+               printf("Setting timestamps on all extracted files...\n");
+               break;
+       case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END:
+               if (info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
+                       printf("Unmounting NTFS volume `%s'...\n",
+                              info->extract.target);
+               }
+               break;
+       case WIMLIB_PROGRESS_MSG_JOIN_STREAMS:
+               percent_done = TO_PERCENT(info->join.completed_bytes,
+                                         info->join.total_bytes);
+               printf("Writing resources from part %u of %u: "
+                      "%"PRIu64 " MiB of %"PRIu64" MiB (%u%%) written\n",
+                      (info->join.completed_parts == info->join.total_parts) ?
+                               info->join.completed_parts : info->join.completed_parts + 1,
+                      info->join.total_parts,
+                      info->join.completed_bytes >> 20,
+                      info->join.total_bytes >> 20,
+                      percent_done);
+               break;
+       case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
+               percent_done = TO_PERCENT(info->split.completed_bytes,
+                                         info->split.total_bytes);
+               printf("Writing `%s': %"PRIu64" MiB of %"PRIu64" MiB (%u%%) written\n",
+                      info->split.part_name,
+                      info->split.completed_bytes >> 20,
+                      info->split.total_bytes >> 20,
+                      percent_done);
+               break;
+       case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
+               if (info->split.completed_bytes == info->split.total_bytes) {
+                       printf("Finished writing %u split WIM parts\n",
+                              info->split.cur_part_number);
+               }
+               break;
+       default:
+               break;
+       }
+       fflush(stdout);
+       return 0;
+}
+
+
+static int open_swms_from_glob(const char *swm_glob,
+                              const char *first_part,
+                              int open_flags,
+                              WIMStruct ***additional_swms_ret,
+                              unsigned *num_additional_swms_ret)
+{
+       unsigned num_additional_swms = 0;
+       WIMStruct **additional_swms = NULL;
+       glob_t globbuf;
+       int ret;
+
+       ret = glob(swm_glob, GLOB_ERR | GLOB_NOSORT, NULL, &globbuf);
+       if (ret != 0) {
+               if (ret == GLOB_NOMATCH) {
+                       imagex_error("Found no files for glob \"%s\"",
+                                    swm_glob);
+               } else {
+                       imagex_error_with_errno("Failed to process glob "
+                                               "\"%s\"", swm_glob);
+               }
+               ret = -1;
+               goto out;
+       }
+       num_additional_swms = globbuf.gl_pathc;
+       additional_swms = calloc(num_additional_swms, sizeof(additional_swms[0]));
+       if (!additional_swms) {
+               imagex_error("Out of memory");
+               ret = -1;
+               goto out_globfree;
+       }
+       unsigned offset = 0;
+       for (unsigned i = 0; i < num_additional_swms; i++) {
+               if (strcmp(globbuf.gl_pathv[i], first_part) == 0) {
+                       offset++;
+                       continue;
+               }
+               ret = wimlib_open_wim(globbuf.gl_pathv[i],
+                                     open_flags | WIMLIB_OPEN_FLAG_SPLIT_OK,
+                                     &additional_swms[i - offset],
+                                     imagex_progress_func);
+               if (ret != 0)
+                       goto out_close_swms;
+       }
+       *additional_swms_ret = additional_swms;
+       *num_additional_swms_ret = num_additional_swms - offset;
+       ret = 0;
+       goto out_globfree;
+out_close_swms:
+       for (unsigned i = 0; i < num_additional_swms; i++)
+               wimlib_free(additional_swms[i]);
+       free(additional_swms);
+out_globfree:
+       globfree(&globbuf);
+out:
        return ret;
 }
 
+
+static unsigned parse_num_threads(const char *optarg)
+{
+       char *tmp;
+       unsigned nthreads = strtoul(optarg, &tmp, 10);
+       if (nthreads == UINT_MAX || *tmp || tmp == optarg) {
+               imagex_error("Number of threads must be a non-negative integer!");
+               return UINT_MAX;
+       } else {
+               return nthreads;
+       }
+}
+
+
 /* Extract one image, or all images, from a WIM file into a directory. */
 static int imagex_apply(int argc, const char **argv)
 {
        int c;
-       int link_type = WIM_LINK_TYPE_NONE;
-       int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
-       bool verbose = false;
+       int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
        int image;
        int num_images;
        WIMStruct *w;
        int ret;
        const char *wimfile;
-       const char *dir;
+       const char *target;
        const char *image_num_or_name;
+       int extract_flags = WIMLIB_EXTRACT_FLAG_SEQUENTIAL;
+
+       const char *swm_glob = NULL;
+       WIMStruct **additional_swms = NULL;
+       unsigned num_additional_swms = 0;
 
        for_opt(c, apply_options) {
                switch (c) {
                case 'c':
                        open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
                        break;
-               case 'V':
-                       /* verify */
-                       break;
                case 'h':
-                       link_type = WIM_LINK_TYPE_HARD;
+                       extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
                        break;
                case 's':
-                       link_type = WIM_LINK_TYPE_SYMBOLIC;
+                       extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
                        break;
                case 'v':
-                       verbose = true;
+                       extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
+                       break;
+               case 'r':
+                       swm_glob = optarg;
+                       break;
+               case 'U':
+                       extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
                        break;
                default:
                        usage(APPLY);
@@ -366,121 +611,211 @@ static int imagex_apply(int argc, const char **argv)
 
        wimfile = argv[0];
        if (argc == 2) {
-               image_num_or_name =  "1";
-               dir = argv[1];
+               image_num_or_name = "1";
+               target = argv[1];
        } else {
                image_num_or_name = argv[1];
-               dir = argv[2];
+               target = argv[2];
        }
 
-       ret = wimlib_open_wim(wimfile, open_flags, &w);
+       ret = wimlib_open_wim(wimfile, open_flags, &w, imagex_progress_func);
        if (ret != 0)
                return ret;
 
        image = wimlib_resolve_image(w, image_num_or_name);
-       ret = verify_image_exists(image);
+       ret = verify_image_exists(image, image_num_or_name, wimfile);
        if (ret != 0)
-               goto done;
+               goto out;
 
        num_images = wimlib_get_num_images(w);
        if (argc == 2 && num_images != 1) {
                imagex_error("`%s' contains %d images; Please select one "
-                               "(or all).\n", wimfile, num_images);
+                            "(or all)", wimfile, num_images);
                usage(APPLY);
                ret = -1;
-               goto done;
+               goto out;
        }
-       ret = wimlib_set_output_dir(w, dir);
-       if (ret != 0)
-               goto done;
-       wimlib_set_verbose(w, verbose);
-       wimlib_set_link_type(w, link_type);
-       ret = wimlib_extract_image(w, image);
-done:
+
+       if (swm_glob) {
+               ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
+                                         &additional_swms,
+                                         &num_additional_swms);
+               if (ret != 0)
+                       goto out;
+       }
+
+       struct stat stbuf;
+
+       ret = stat(target, &stbuf);
+       if (ret == 0) {
+               if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode))
+                       extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
+       } else {
+               if (errno != ENOENT) {
+                       imagex_error_with_errno("Failed to stat `%s'", target);
+                       ret = -1;
+                       goto out;
+               }
+       }
+
+       ret = wimlib_extract_image(w, image, target, extract_flags,
+                                  additional_swms, num_additional_swms,
+                                  imagex_progress_func);
+       if (ret == 0)
+               printf("Done applying WIM image.\n");
+out:
        wimlib_free(w);
+       if (additional_swms) {
+               for (unsigned i = 0; i < num_additional_swms; i++)
+                       wimlib_free(additional_swms[i]);
+               free(additional_swms);
+       }
        return ret;
 }
 
-
-/* Create a WIM file from a directory. */
-static int imagex_capture(int argc, const char **argv)
+static int imagex_capture_or_append(int argc, const char **argv)
 {
        int c;
+       int open_flags = 0;
        int add_image_flags = 0;
-       int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
-       int compression_type = WIM_COMPRESSION_TYPE_NONE;
-       const char *flags_element    = NULL;
-       bool verbose         = false;
-       const char *dir;
+       int write_flags = 0;
+       int compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
+       const char *source;
        const char *wimfile;
        const char *name;
        const char *desc;
-       WIMStruct *w;
+       const char *flags_element = NULL;
+       const char *config_file = NULL;
+       char *config_str = NULL;
+       size_t config_len = 0;
+       WIMStruct *w = NULL;
        int ret;
+       int cur_image;
+       char *default_name;
+       int cmd = strcmp(argv[0], "append") ? CAPTURE : APPEND;
+       unsigned num_threads = 0;
 
-       for_opt(c, capture_options) {
+       for_opt(c, capture_or_append_options) {
                switch (c) {
                case 'b':
                        add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
                        break;
                case 'c':
+                       open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
                        write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
                        break;
+               case 'C':
+                       config_file = optarg;
+                       break;
                case 'x':
                        compression_type = get_compression_type(optarg);
-                       if (compression_type == WIM_COMPRESSION_TYPE_INVALID)
+                       if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
                                return -1;
                        break;
-               case 'C':
-                       /*config = optarg;*/
-                       break;
                case 'f':
                        flags_element = optarg;
                        break;
-               case 'n':
-                       /*norpfix = true;*/
+               case 'L':
+                       add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
                        break;
                case 'v':
-                       verbose = true;
+                       add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
+                       break;
+               case 't':
+                       num_threads = parse_num_threads(optarg);
+                       if (num_threads == UINT_MAX)
+                               return -1;
                        break;
-               case 'V':
-                       /*verify = true;*/
+               case 'R':
+                       write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
+                       break;
+               case 'U':
+                       add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
                        break;
                default:
-                       usage(CAPTURE);
+                       usage(cmd);
                        return -1;
                }
        }
-
        argc -= optind;
        argv += optind;
        if (argc < 2 || argc > 4) {
-               usage(CAPTURE);
+               usage(cmd);
                return -1;
        }
-       dir     = argv[0];
+       source = argv[0];
        wimfile = argv[1];
-       name    = (argc >= 3) ? argv[2] : dir;
-       desc    = (argc >= 4) ? argv[3] : NULL;
 
-       ret = wimlib_create_new_wim(compression_type, &w);
+       char source_copy[strlen(source) + 1];
+       memcpy(source_copy, source, strlen(source) + 1);
+       default_name = basename(source_copy);
+
+       name = (argc >= 3) ? argv[2] : default_name;
+       desc = (argc >= 4) ? argv[3] : NULL;
+
+       if (config_file) {
+               config_str = file_get_contents(config_file, &config_len);
+               if (!config_str)
+                       return -1;
+       }
+
+       if (cmd == APPEND)
+               ret = wimlib_open_wim(wimfile, open_flags, &w,
+                                     imagex_progress_func);
+       else
+               ret = wimlib_create_new_wim(compression_type, &w);
        if (ret != 0)
-               return ret;
+               goto out;
 
-       wimlib_set_verbose(w, verbose);
+       struct stat stbuf;
 
-       ret = wimlib_add_image(w, dir, name, desc, flags_element, 
-                              add_image_flags);
-       if (ret != 0) {
-               imagex_error("Failed to add the image `%s'!\n", dir);
-               goto done;
+       ret = stat(source, &stbuf);
+       if (ret == 0) {
+               if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
+                       printf("Capturing WIM image from NTFS filesystem on `%s'\n",
+                              source);
+                       add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NTFS;
+               }
+       } else {
+               if (errno != ENOENT) {
+                       imagex_error_with_errno("Failed to stat `%s'", source);
+                       ret = -1;
+                       goto out;
+               }
        }
 
-       ret = wimlib_write(w, wimfile, WIM_ALL_IMAGES, write_flags);
+       ret = wimlib_add_image(w, source, name,
+                              (config_str ? config_str : default_capture_config),
+                              (config_str ? config_len : strlen(default_capture_config)),
+                              add_image_flags, imagex_progress_func);
+
        if (ret != 0)
-               imagex_error("Failed to write the WIM file `%s'!\n", wimfile);
-done:
+               goto out;
+       cur_image = wimlib_get_num_images(w);
+       if (desc) {
+               ret = wimlib_set_image_descripton(w, cur_image, desc);
+               if (ret != 0)
+                       goto out;
+       }
+       if (flags_element) {
+               ret = wimlib_set_image_flags(w, cur_image, flags_element);
+               if (ret != 0)
+                       goto out;
+       }
+       if (cmd == APPEND) {
+               ret = wimlib_overwrite(w, write_flags, num_threads,
+                                      imagex_progress_func);
+       } else {
+               ret = wimlib_write(w, wimfile, WIMLIB_ALL_IMAGES, write_flags,
+                                  num_threads, imagex_progress_func);
+       }
+       if (ret == WIMLIB_ERR_REOPEN)
+               ret = 0;
+       if (ret != 0)
+               imagex_error("Failed to write the WIM file `%s'", wimfile);
+out:
        wimlib_free(w);
+       free(config_str);
        return ret;
 }
 
@@ -488,8 +823,8 @@ done:
 static int imagex_delete(int argc, const char **argv)
 {
        int c;
-       int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
-       int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
+       int open_flags = 0;
+       int write_flags = 0;
        const char *wimfile;
        const char *image_num_or_name;
        WIMStruct *w;
@@ -502,6 +837,9 @@ static int imagex_delete(int argc, const char **argv)
                        open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
                        write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
                        break;
+               case 's':
+                       write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
+                       break;
                default:
                        usage(DELETE);
                        return -1;
@@ -512,38 +850,44 @@ static int imagex_delete(int argc, const char **argv)
 
        if (argc != 2) {
                if (argc < 1)
-                       imagex_error("Must specify a WIM file!\n");
+                       imagex_error("Must specify a WIM file");
                if (argc < 2)
-                       imagex_error("Must specify an image!\n");
+                       imagex_error("Must specify an image");
                usage(DELETE);
                return -1;
        }
        wimfile = argv[0];
        image_num_or_name = argv[1];
 
-       ret = wimlib_open_wim(wimfile, open_flags, &w);
+       ret = file_writable(wimfile);
+       if (ret != 0)
+               return ret;
+
+       ret = wimlib_open_wim(wimfile, open_flags, &w,
+                             imagex_progress_func);
        if (ret != 0)
                return ret;
 
        image = wimlib_resolve_image(w, image_num_or_name);
 
-       ret = verify_image_exists(image);
+       ret = verify_image_exists(image, image_num_or_name, wimfile);
        if (ret != 0)
-               goto done;
+               goto out;
 
        ret = wimlib_delete_image(w, image);
        if (ret != 0) {
-               imagex_error("Failed to delete image from `%s'!\n",
-                                               wimfile);
-               goto done;
+               imagex_error("Failed to delete image from `%s'", wimfile);
+               goto out;
        }
 
-       ret = wimlib_overwrite(w, write_flags);
+       ret = wimlib_overwrite(w, write_flags, 0, imagex_progress_func);
+       if (ret == WIMLIB_ERR_REOPEN)
+               ret = 0;
        if (ret != 0) {
                imagex_error("Failed to write the file `%s' with image "
-                               "deleted!\n", wimfile);
+                            "deleted", wimfile);
        }
-done:
+out:
        wimlib_free(w);
        return ret;
 }
@@ -558,42 +902,43 @@ static int imagex_dir(int argc, const char **argv)
        int num_images;
 
        if (argc < 2) {
-               imagex_error("Must specify a WIM file!\n");
+               imagex_error("Must specify a WIM file");
                usage(DIR);
                return -1;
        }
        if (argc > 3) {
-               imagex_error("Too many arguments!\n");
+               imagex_error("Too many arguments");
                usage(DIR);
                return -1;
        }
 
        wimfile = argv[1];
-       ret = wimlib_open_wim(wimfile, 0, &w);
+       ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &w,
+                             imagex_progress_func);
        if (ret != 0)
                return ret;
 
        if (argc == 3) {
                image = wimlib_resolve_image(w, argv[2]);
-               ret = verify_image_exists(image);
+               ret = verify_image_exists(image, argv[2], wimfile);
                if (ret != 0)
-                       goto done;
+                       goto out;
        } else {
                /* Image was not specified.  If the WIM only contains one image,
                 * choose that one; otherwise, print an error. */
                num_images = wimlib_get_num_images(w);
                if (num_images != 1) {
                        imagex_error("The file `%s' contains %d images; Please "
-                                       "select one.\n", wimfile, num_images);
+                                    "select one.", wimfile, num_images);
                        usage(DIR);
                        ret = -1;
-                       goto done;
+                       goto out;
                }
                image = 1;
        }
 
        ret = wimlib_print_files(w, image);
-done:
+out:
        wimlib_free(w);
        return ret;
 }
@@ -603,10 +948,10 @@ done:
 static int imagex_export(int argc, const char **argv)
 {
        int c;
-       int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
+       int open_flags = 0;
        int export_flags = 0;
-       int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
-       int compression_type = WIM_COMPRESSION_TYPE_NONE;
+       int write_flags = 0;
+       int compression_type = WIMLIB_COMPRESSION_TYPE_NONE;
        bool compression_type_specified = false;
        const char *src_wimfile;
        const char *src_image_num_or_name;
@@ -619,6 +964,10 @@ static int imagex_export(int argc, const char **argv)
        int image;
        struct stat stbuf;
        bool wim_is_new;
+       const char *swm_glob = NULL;
+       WIMStruct **additional_swms = NULL;
+       unsigned num_additional_swms = 0;
+       unsigned num_threads = 0;
 
        for_opt(c, export_options) {
                switch (c) {
@@ -631,10 +980,21 @@ static int imagex_export(int argc, const char **argv)
                        break;
                case 'x':
                        compression_type = get_compression_type(optarg);
-                       if (compression_type == WIM_COMPRESSION_TYPE_INVALID)
+                       if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
                                return -1;
                        compression_type_specified = true;
                        break;
+               case 'r':
+                       swm_glob = optarg;
+                       break;
+               case 't':
+                       num_threads = parse_num_threads(optarg);
+                       if (num_threads == UINT_MAX)
+                               return -1;
+                       break;
+               case 'R':
+                       write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
+                       break;
                default:
                        usage(EXPORT);
                        return -1;
@@ -651,66 +1011,99 @@ static int imagex_export(int argc, const char **argv)
        dest_wimfile          = argv[2];
        dest_name             = (argc >= 4) ? argv[3] : NULL;
        dest_desc             = (argc >= 5) ? argv[4] : NULL;
-       ret = wimlib_open_wim(src_wimfile, open_flags, &src_w);
+       ret = wimlib_open_wim(src_wimfile,
+                             open_flags | WIMLIB_OPEN_FLAG_SPLIT_OK, &src_w,
+                             imagex_progress_func);
        if (ret != 0)
                return ret;
 
-       /* Determine if the destination is an existing file or not.  
+       /* Determine if the destination is an existing file or not.
         * If so, we try to append the exported image(s) to it; otherwise, we
         * create a new WIM containing the exported image(s). */
        if (stat(dest_wimfile, &stbuf) == 0) {
+               int dest_ctype;
+
                wim_is_new = false;
                /* Destination file exists. */
-               if (!S_ISREG(stbuf.st_mode)) {
-                       imagex_error("`%s' is not a regular file!\n",
+               if (!S_ISREG(stbuf.st_mode) && !S_ISLNK(stbuf.st_mode)) {
+                       imagex_error("`%s' is not a regular file",
                                        dest_wimfile);
-                       goto done;
+                       ret = -1;
+                       goto out;
                }
-               ret = wimlib_open_wim(dest_wimfile, open_flags, &dest_w);
+               ret = wimlib_open_wim(dest_wimfile, open_flags, &dest_w,
+                                     imagex_progress_func);
                if (ret != 0)
-                       goto done;
+                       goto out;
 
-               if (compression_type_specified && compression_type != 
-                               wimlib_get_compression_type(dest_w)) {
+               ret = file_writable(dest_wimfile);
+               if (ret != 0)
+                       goto out;
+
+               dest_ctype = wimlib_get_compression_type(dest_w);
+               if (compression_type_specified
+                   && compression_type != dest_ctype)
+               {
                        imagex_error("Cannot specify a compression type that is "
-                                       "not the same as that used in the "
-                                       "destination WIM!\n");
-                       goto done;
+                                    "not the same as that used in the "
+                                    "destination WIM");
+                       ret = -1;
+                       goto out;
                }
-               compression_type = wimlib_get_compression_type(dest_w);
        } else {
                wim_is_new = true;
                /* dest_wimfile is not an existing file, so create a new WIM. */
+               if (!compression_type_specified)
+                       compression_type = wimlib_get_compression_type(src_w);
                if (errno == ENOENT) {
                        ret = wimlib_create_new_wim(compression_type, &dest_w);
                        if (ret != 0)
-                               goto done;
+                               goto out;
                } else {
-                       imagex_error("Cannot stat file `%s': %m\n",
+                       imagex_error_with_errno("Cannot stat file `%s'",
                                                dest_wimfile);
-                       goto done;
+                       ret = -1;
+                       goto out;
                }
        }
 
        image = wimlib_resolve_image(src_w, src_image_num_or_name);
-       ret = verify_image_exists(image);
+       ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
        if (ret != 0)
-               goto done;
+               goto out;
+
+       if (swm_glob) {
+               ret = open_swms_from_glob(swm_glob, src_wimfile, open_flags,
+                                         &additional_swms,
+                                         &num_additional_swms);
+               if (ret != 0)
+                       goto out;
+       }
 
-       ret = wimlib_export_image(src_w, image, dest_w, dest_name, dest_desc, 
-                                 export_flags);
+       ret = wimlib_export_image(src_w, image, dest_w, dest_name, dest_desc,
+                                 export_flags, additional_swms,
+                                 num_additional_swms, imagex_progress_func);
        if (ret != 0)
-               goto done;
+               goto out;
 
 
        if (wim_is_new)
-               ret = wimlib_write(dest_w, dest_wimfile, WIM_ALL_IMAGES, 
-                                  write_flags);
+               ret = wimlib_write(dest_w, dest_wimfile, WIMLIB_ALL_IMAGES,
+                                  write_flags, num_threads,
+                                  imagex_progress_func);
        else
-               ret = wimlib_overwrite(dest_w, write_flags);
-done:
+               ret = wimlib_overwrite(dest_w, write_flags, num_threads,
+                                      imagex_progress_func);
+out:
+       if (ret == WIMLIB_ERR_REOPEN)
+               ret = 0;
        wimlib_free(src_w);
        wimlib_free(dest_w);
+       if (additional_swms) {
+               for (unsigned i = 0; i < num_additional_swms; i++)
+                       wimlib_free(additional_swms[i]);
+               free(additional_swms);
+       }
        return ret;
 }
 
@@ -735,6 +1128,10 @@ static int imagex_info(int argc, const char **argv)
        FILE *fp;
        int image;
        int ret;
+       int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
+       int part_number;
+       int total_parts;
+       int num_images;
 
        for_opt(c, info_options) {
                switch (c) {
@@ -783,45 +1180,57 @@ static int imagex_info(int argc, const char **argv)
                        new_name = argv[2];
                        if (argc > 3) {
                                new_desc = argv[3];
-                       } 
+                       }
                }
        }
 
-       ret = wimlib_open_wim(wimfile, 
-                             check ? 
-                               WIMLIB_OPEN_FLAG_CHECK_INTEGRITY |
-                                       WIMLIB_OPEN_FLAG_SHOW_PROGRESS
-                               : 0, 
-                             &w);
+       if (check)
+               open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
+
+       ret = wimlib_open_wim(wimfile, open_flags, &w,
+                             imagex_progress_func);
        if (ret != 0)
                return ret;
 
+       part_number = wimlib_get_part_number(w, &total_parts);
+
        image = wimlib_resolve_image(w, image_num_or_name);
-       if (image == WIM_NO_IMAGE && strcmp(image_num_or_name, "0") != 0) {
-               imagex_error("The image `%s' does not exist!\n", 
-                                               image_num_or_name);
+       if (image == WIMLIB_NO_IMAGE && strcmp(image_num_or_name, "0") != 0) {
+               imagex_error("The image `%s' does not exist",
+                            image_num_or_name);
                if (boot)
                        imagex_error("If you would like to set the boot "
-                                       "index to 0, specify image \"0\" with "
-                                       "the --boot flag.\n");
+                                    "index to 0, specify image \"0\" with "
+                                    "the --boot flag.");
                ret = WIMLIB_ERR_INVALID_IMAGE;
-               goto done;
+               goto out;
        }
 
-       if (image == WIM_ALL_IMAGES && wimlib_get_num_images(w) > 1) {
+       num_images = wimlib_get_num_images(w);
+
+       if (num_images == 0) {
+               if (boot) {
+                       imagex_error("--boot is meaningless on a WIM with no "
+                                    "images");
+                       ret = WIMLIB_ERR_INVALID_IMAGE;
+                       goto out;
+               }
+       }
+
+       if (image == WIMLIB_ALL_IMAGES && num_images > 1) {
                if (boot) {
                        imagex_error("Cannot specify the --boot flag "
-                                       "without specifying a specific "
-                                       "image in a multi-image WIM!\n");
+                                    "without specifying a specific "
+                                    "image in a multi-image WIM");
                        ret = WIMLIB_ERR_INVALID_IMAGE;
-                       goto done;
+                       goto out;
                }
                if (new_name) {
                        imagex_error("Cannot specify the NEW_NAME "
-                                       "without specifying a specific "
-                                       "image in a multi-image WIM!\n");
+                                    "without specifying a specific "
+                                    "image in a multi-image WIM");
                        ret = WIMLIB_ERR_INVALID_IMAGE;
-                       goto done;
+                       goto out;
                }
        }
 
@@ -829,45 +1238,55 @@ static int imagex_info(int argc, const char **argv)
         * recreate the WIM file. */
        if (!new_name && !boot) {
 
-               if (image == WIM_NO_IMAGE) {
-                       imagex_error("`%s' is not a valid image!\n", 
-                                       image_num_or_name);
+               /* Read-only operations */
+
+               if (image == WIMLIB_NO_IMAGE) {
+                       imagex_error("`%s' is not a valid image",
+                                    image_num_or_name);
                        ret = WIMLIB_ERR_INVALID_IMAGE;
-                       goto done;
+                       goto out;
                }
 
-               if (image == WIM_ALL_IMAGES && short_header)
+               if (image == WIMLIB_ALL_IMAGES && short_header)
                        wimlib_print_wim_information(w);
 
                if (header)
                        wimlib_print_header(w);
 
-               if (lookup_table)
+               if (lookup_table) {
+                       if (total_parts != 1) {
+                               printf("Warning: Only showing the lookup table "
+                                      "for part %d of a %d-part WIM.\n",
+                                      part_number, total_parts);
+                       }
                        wimlib_print_lookup_table(w);
+               }
 
                if (xml) {
                        ret = wimlib_extract_xml_data(w, stdout);
                        if (ret != 0)
-                               goto done;
+                               goto out;
                }
 
                if (xml_out_file) {
                        fp = fopen(xml_out_file, "wb");
                        if (!fp) {
-                               imagex_error("Failed to open the file `%s' for "
-                                               "writing: %m\n", xml_out_file);
-                               goto done;
+                               imagex_error_with_errno("Failed to open the "
+                                                       "file `%s' for "
+                                                       "writing ",
+                                                       xml_out_file);
+                               ret = -1;
+                               goto out;
                        }
                        ret = wimlib_extract_xml_data(w, fp);
                        if (fclose(fp) != 0) {
-                               imagex_error("Failed to close the "
-                                               "file `%s': %m\n",
-                                               xml_out_file);
-                               goto done;
+                               imagex_error("Failed to close the file `%s'",
+                                            xml_out_file);
+                               ret = -1;
                        }
 
                        if (ret != 0)
-                               goto done;
+                               goto out;
                }
 
                if (short_header)
@@ -876,41 +1295,49 @@ static int imagex_info(int argc, const char **argv)
                if (metadata) {
                        ret = wimlib_print_metadata(w, image);
                        if (ret != 0)
-                               goto done;
+                               goto out;
                }
        } else {
-               if (image == WIM_ALL_IMAGES)
+
+               /* Modification operations */
+               if (total_parts != 1) {
+                       imagex_error("Modifying a split WIM is not supported.");
+                       ret = -1;
+                       goto out;
+               }
+               if (image == WIMLIB_ALL_IMAGES)
                        image = 1;
 
-               if (image == WIM_NO_IMAGE && new_name) {
+               if (image == WIMLIB_NO_IMAGE && new_name) {
                        imagex_error("Cannot specify new_name (`%s') when "
-                                       "using image 0!\n");
-                       return -1;
+                                    "using image 0", new_name);
+                       ret = -1;
+                       goto out;
                }
 
                if (boot) {
                        if (image == wimlib_get_boot_idx(w)) {
                                printf("Image %d is already marked as "
-                                               "bootable.\n", image);
+                                      "bootable.\n", image);
                                boot = false;
                        } else {
-                               printf("Marking image %d as bootable.\n", 
-                                                               image);
+                               printf("Marking image %d as bootable.\n",
+                                      image);
                                wimlib_set_boot_idx(w, image);
                        }
                }
                if (new_name) {
-                       if (strcmp(wimlib_get_image_name(w, image), 
+                       if (strcmp(wimlib_get_image_name(w, image),
                                                new_name) == 0) {
                                printf("Image %d is already named \"%s\".\n",
-                                               image, new_name);
+                                      image, new_name);
                                new_name = NULL;
                        } else {
-                               printf("Changing the name of image %d to \"%s\".\n",
-                                               image, new_name);
+                               printf("Changing the name of image %d to "
+                                      "\"%s\".\n", image, new_name);
                                ret = wimlib_set_image_name(w, image, new_name);
                                if (ret != 0)
-                                       goto done;
+                                       goto out;
                        }
                }
                if (new_desc) {
@@ -918,107 +1345,315 @@ static int imagex_info(int argc, const char **argv)
                        old_desc = wimlib_get_image_description(w, image);
                        if (old_desc && strcmp(old_desc, new_desc) == 0) {
                                printf("The description of image %d is already "
-                                               "\"%s\".\n", image, new_desc);
+                                      "\"%s\".\n", image, new_desc);
                                new_desc = NULL;
                        } else {
                                printf("Changing the description of image %d "
-                                               "to \"%s\".\n", image, new_desc);
-                               ret = wimlib_set_image_descripton(w, image, 
+                                      "to \"%s\".\n", image, new_desc);
+                               ret = wimlib_set_image_descripton(w, image,
                                                                  new_desc);
                                if (ret != 0)
-                                       goto done;
+                                       goto out;
                        }
                }
 
-               /* Only call wimlib_overwrite_xml_and_header() if something
-                * actually needs to be changed. */
-               if (boot || new_name || new_desc || 
-                               check != wimlib_has_integrity_table(w)) {
+               /* Only call wimlib_overwrite() if something actually needs to
+                * be changed. */
+               if (boot || new_name || new_desc ||
+                   (check && !wimlib_has_integrity_table(w)))
+               {
+                       int write_flags;
+
+                       ret = file_writable(wimfile);
+                       if (ret != 0)
+                               return ret;
 
-                       ret = wimlib_overwrite_xml_and_header(w, check ? 
-                                       WIMLIB_WRITE_FLAG_CHECK_INTEGRITY | 
-                                       WIMLIB_WRITE_FLAG_SHOW_PROGRESS : 0);
+                       if (check)
+                               write_flags = WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
+                       else
+                               write_flags = 0;
+
+                       ret = wimlib_overwrite(w, write_flags, 1,
+                                              imagex_progress_func);
+                       if (ret == WIMLIB_ERR_REOPEN)
+                               ret = 0;
                } else {
                        printf("The file `%s' was not modified because nothing "
-                                       "needed to be done.\n", wimfile);
+                              "needed to be done.\n", wimfile);
                        ret = 0;
                }
        }
-
-done:
+out:
        wimlib_free(w);
        return ret;
 }
 
+/* Join split WIMs into one part WIM */
+static int imagex_join(int argc, const char **argv)
+{
+       int c;
+       int swm_open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
+       int wim_write_flags = 0;
+       const char *output_path;
+
+       for_opt(c, join_options) {
+               switch (c) {
+               case 'c':
+                       swm_open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
+                       wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
+                       break;
+               default:
+                       goto err;
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       if (argc < 2) {
+               imagex_error("Must specify one or more split WIM (.swm) parts "
+                            "to join");
+               goto err;
+       }
+       output_path = argv[0];
+       return wimlib_join(++argv, --argc, output_path, swm_open_flags,
+                          wim_write_flags, imagex_progress_func);
+err:
+       usage(JOIN);
+       return -1;
+}
+
 /* Mounts an image using a FUSE mount. */
 static int imagex_mount_rw_or_ro(int argc, const char **argv)
 {
-       bool ro;
        int c;
        int mount_flags = 0;
-       int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
+       int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
        const char *wimfile;
        const char *dir;
        WIMStruct *w;
        int image;
        int num_images;
        int ret;
+       const char *swm_glob = NULL;
+       WIMStruct **additional_swms = NULL;
+       unsigned num_additional_swms = 0;
+       const char *staging_dir = NULL;
 
        if (strcmp(argv[0], "mountrw") == 0)
                mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
+
        for_opt(c, mount_options) {
                switch (c) {
+               case 'A':
+                       mount_flags |= WIMLIB_MOUNT_FLAG_ALLOW_OTHER;
+                       break;
                case 'c':
                        open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
                        break;
                case 'd':
                        mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
                        break;
+               case 's':
+                       if (strcasecmp(optarg, "none") == 0)
+                               mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
+                       else if (strcasecmp(optarg, "xattr") == 0)
+                               mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
+                       else if (strcasecmp(optarg, "windows") == 0)
+                               mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
+                       else {
+                               imagex_error("Unknown stream interface \"%s\"", optarg);
+                               goto mount_usage;
+                       }
+                       break;
+               case 'r':
+                       swm_glob = optarg;
+                       break;
+               case 'D':
+                       staging_dir = optarg;
+                       break;
+               case 'U':
+                       mount_flags |= WIMLIB_MOUNT_FLAG_UNIX_DATA;
+                       break;
                default:
-                       usage(ro ? MOUNT : MOUNTRW);
-                       return -1;
+                       goto mount_usage;
                }
        }
        argc -= optind;
        argv += optind;
-       if (argc != 2 && argc != 3) {
-               usage(ro ? MOUNT : MOUNTRW);
-               return -1;
-       }
+       if (argc != 2 && argc != 3)
+               goto mount_usage;
 
        wimfile = argv[0];
 
-       ret = wimlib_open_wim(wimfile, open_flags, &w);
+       ret = wimlib_open_wim(wimfile, open_flags, &w,
+                             imagex_progress_func);
        if (ret != 0)
                return ret;
 
+       if (swm_glob) {
+               ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
+                                         &additional_swms,
+                                         &num_additional_swms);
+               if (ret != 0)
+                       goto out;
+       }
+
        if (argc == 2) {
                image = 1;
                num_images = wimlib_get_num_images(w);
                if (num_images != 1) {
                        imagex_error("The file `%s' contains %d images; Please "
-                                       "select one.\n", wimfile, num_images);
-                       usage(ro ? MOUNT : MOUNTRW);
-                       ret = WIMLIB_ERR_INVALID_IMAGE;
-                       goto done;
+                                    "select one.", wimfile, num_images);
+                       usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
+                                       ? MOUNTRW : MOUNT);
+                       ret = -1;
+                       goto out;
                }
                dir = argv[1];
        } else {
                image = wimlib_resolve_image(w, argv[1]);
                dir = argv[2];
+               ret = verify_image_exists_and_is_single(image, argv[1], wimfile);
+               if (ret != 0)
+                       goto out;
        }
 
-       ret = verify_image_exists_and_is_single(image);
-       if (ret != 0)
-               goto done;
+       if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
+               ret = file_writable(wimfile);
+               if (ret != 0)
+                       goto out;
+       }
 
-       ret = wimlib_mount(w, image, dir, mount_flags);
+       ret = wimlib_mount_image(w, image, dir, mount_flags, additional_swms,
+                                num_additional_swms, staging_dir);
        if (ret != 0) {
-               imagex_error("Failed to mount image %d from `%s' on `%s'!\n",
-                               image, wimfile, dir);
+               imagex_error("Failed to mount image %d from `%s' on `%s'",
+                            image, wimfile, dir);
+
+       }
+out:
+       wimlib_free(w);
+       if (additional_swms) {
+               for (unsigned i = 0; i < num_additional_swms; i++)
+                       wimlib_free(additional_swms[i]);
+               free(additional_swms);
+       }
+       return ret;
+mount_usage:
+       usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
+                       ? MOUNTRW : MOUNT);
+       return -1;
+}
+
+static int imagex_optimize(int argc, const char **argv)
+{
+       int c;
+       int open_flags = 0;
+       int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
+       int ret;
+       WIMStruct *w;
+       const char *wimfile;
+       off_t old_size;
+       off_t new_size;
+
+       for_opt(c, optimize_options) {
+               switch (c) {
+               case 'c':
+                       open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
+                       write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
+                       break;
+               case 'r':
+                       write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
+                       break;
+               default:
+                       usage(OPTIMIZE);
+                       return -1;
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       if (argc != 1) {
+               usage(OPTIMIZE);
+               return -1;
+       }
+
+       wimfile = argv[0];
+
+       ret = wimlib_open_wim(wimfile, open_flags, &w,
+                             imagex_progress_func);
+       if (ret != 0)
+               return ret;
+
+       old_size = file_get_size(argv[0]);
+       printf("`%s' original size: ", wimfile);
+       if (old_size == -1)
+               puts("Unknown");
+       else
+               printf("%"PRIu64" KiB\n", old_size >> 10);
+
+       ret = wimlib_overwrite(w, write_flags, 0, imagex_progress_func);
+
+       if (ret == 0) {
+               new_size = file_get_size(argv[0]);
+               printf("`%s' optimized size: ", wimfile);
+               if (new_size == -1)
+                       puts("Unknown");
+               else
+                       printf("%"PRIu64" KiB\n", new_size >> 10);
+
+               fputs("Space saved: ", stdout);
+               if (new_size != -1 && old_size != -1) {
+                       printf("%lld KiB\n",
+                              ((long long)old_size - (long long)new_size) >> 10);
+               } else {
+                       puts("Unknown");
+               }
+       }
+
+       wimlib_free(w);
+       return ret;
+}
+
+/* Split a WIM into a spanned set */
+static int imagex_split(int argc, const char **argv)
+{
+       int c;
+       int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
+       int write_flags = 0;
+       unsigned long part_size;
+       char *tmp;
+       int ret;
+       WIMStruct *w;
+
+       for_opt(c, split_options) {
+               switch (c) {
+               case 'c':
+                       open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
+                       write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
+                       break;
+               default:
+                       usage(SPLIT);
+                       return -1;
+               }
+       }
+       argc -= optind;
+       argv += optind;
 
+       if (argc != 3) {
+               usage(SPLIT);
+               return -1;
+       }
+       part_size = strtod(argv[2], &tmp) * (1 << 20);
+       if (tmp == argv[2] || *tmp) {
+               imagex_error("Invalid part size \"%s\"", argv[2]);
+               imagex_error("The part size must be an integer or floating-point number of megabytes.");
+               return -1;
        }
-done:
+       ret = wimlib_open_wim(argv[0], open_flags, &w, imagex_progress_func);
+       if (ret != 0)
+               return ret;
+       ret = wimlib_split(w, argv[1], part_size, write_flags, imagex_progress_func);
        wimlib_free(w);
        return ret;
 }
@@ -1038,6 +1673,9 @@ static int imagex_unmount(int argc, const char **argv)
                case 'C':
                        unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
                        break;
+               case 'R':
+                       unmount_flags |= WIMLIB_UNMOUNT_FLAG_REBUILD;
+                       break;
                default:
                        usage(UNMOUNT);
                        return -1;
@@ -1050,9 +1688,10 @@ static int imagex_unmount(int argc, const char **argv)
                return -1;
        }
 
-       ret = wimlib_unmount(argv[0], unmount_flags);
+       ret = wimlib_unmount_image(argv[0], unmount_flags,
+                                  imagex_progress_func);
        if (ret != 0)
-               imagex_error("Failed to unmount `%s'!\n", argv[0]);
+               imagex_error("Failed to unmount `%s'", argv[0]);
        return ret;
 }
 
@@ -1062,27 +1701,45 @@ struct imagex_command {
        int cmd;
 };
 
-static struct imagex_command imagex_commands[] = {
-       {"append",  imagex_append,         APPEND},
-       {"apply",   imagex_apply,          APPLY},
-       {"capture", imagex_capture,        CAPTURE},
-       {"delete",  imagex_delete,         DELETE},
-       {"dir",     imagex_dir,            DIR},
-       {"export",  imagex_export,         EXPORT},
-       {"info",    imagex_info,           INFO},
-       {"mount",   imagex_mount_rw_or_ro, MOUNT},
-       {"mountrw", imagex_mount_rw_or_ro, MOUNTRW},
-       {"unmount", imagex_unmount,        UNMOUNT},
-};
 
 #define for_imagex_command(p) for (p = &imagex_commands[0]; \
                p != &imagex_commands[ARRAY_LEN(imagex_commands)]; p++)
 
+static const struct imagex_command imagex_commands[] = {
+       {"append",  imagex_capture_or_append, APPEND},
+       {"apply",   imagex_apply,             APPLY},
+       {"capture", imagex_capture_or_append, CAPTURE},
+       {"delete",  imagex_delete,            DELETE},
+       {"dir",     imagex_dir,               DIR},
+       {"export",  imagex_export,            EXPORT},
+       {"info",    imagex_info,              INFO},
+       {"join",    imagex_join,              JOIN},
+       {"mount",   imagex_mount_rw_or_ro,    MOUNT},
+       {"mountrw", imagex_mount_rw_or_ro,    MOUNTRW},
+       {"optimize",imagex_optimize,          OPTIMIZE},
+       {"split",   imagex_split,             SPLIT},
+       {"unmount", imagex_unmount,           UNMOUNT},
+};
+
+static void version()
+{
+       static const char *s =
+       "imagex (" PACKAGE ") " PACKAGE_VERSION "\n"
+       "Copyright (C) 2012 Eric Biggers\n"
+       "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
+       "This is free software: you are free to change and redistribute it.\n"
+       "There is NO WARRANTY, to the extent permitted by law.\n"
+       "\n"
+       "Report bugs to "PACKAGE_BUGREPORT".\n";
+       fputs(s, stdout);
+}
+
+
 static void help_or_version(int argc, const char **argv)
 {
        int i;
        const char *p;
-       struct imagex_command *cmd;
+       const struct imagex_command *cmd;
 
        for (i = 1; i < argc; i++) {
                p = argv[i];
@@ -1092,7 +1749,7 @@ static void help_or_version(int argc, const char **argv)
                        continue;
                if (*p == '-')
                        p++;
-               if (strcmp(p, "help") == 0 || (*p == '?' && *(p + 1) == '\0')) {
+               if (strcmp(p, "help") == 0) {
                        for_imagex_command(cmd) {
                                if (strcmp(cmd->name, argv[1]) == 0) {
                                        usage(cmd->cmd);
@@ -1110,13 +1767,41 @@ static void help_or_version(int argc, const char **argv)
 }
 
 
+static void usage(int cmd_type)
+{
+       const struct imagex_command *cmd;
+       printf("Usage: %s", usage_strings[cmd_type]);
+       for_imagex_command(cmd) {
+               if (cmd->cmd == cmd_type)
+                       printf("\nTry `man imagex-%s' for more details.\n",
+                              cmd->name);
+       }
+}
+
+static void usage_all()
+{
+       puts("IMAGEX: Usage:");
+       for (int i = 0; i < ARRAY_LEN(usage_strings); i++)
+               printf("    %s", usage_strings[i]);
+       static const char *extra =
+"    imagex --help\n"
+"    imagex --version\n"
+"\n"
+"    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
+"\n"
+"    Try `man imagex' for more information.\n"
+       ;
+       fputs(extra, stdout);
+}
+
+
 int main(int argc, const char **argv)
 {
-       struct imagex_command *cmd;
+       const struct imagex_command *cmd;
        int ret;
 
        if (argc < 2) {
-               imagex_error("No command specified!\n");
+               imagex_error("No command specified");
                usage_all();
                return 1;
        }
@@ -1126,20 +1811,28 @@ int main(int argc, const char **argv)
        argv++;
 
        wimlib_set_print_errors(true);
+       ret = wimlib_global_init();
+       if (ret)
+               goto out;
 
        for_imagex_command(cmd) {
                if (strcmp(cmd->name, *argv) == 0) {
                        ret = cmd->func(argc, argv);
-                       if (ret > 0) {
-                               imagex_error("Exiting with error code %d:\n"
-                                               "       %s.\n", ret, 
-                                               wimlib_get_error_string(ret));
-                       }
-                       return ret;
+                       goto out;
                }
        }
 
-       imagex_error("Unrecognized command: `%s'\n", argv[0]);
+       imagex_error("Unrecognized command: `%s'", argv[0]);
        usage_all();
        return 1;
+out:
+       if (ret > 0) {
+               imagex_error("Exiting with error code %d:\n"
+                            "       %s.", ret,
+                            wimlib_get_error_string(ret));
+               if (ret == WIMLIB_ERR_NTFS_3G && errno != 0)
+                       imagex_error_with_errno("errno");
+       }
+       wimlib_global_cleanup();
+       return ret;
 }