2 * applywim.c - A program to extract the first image from a WIM file.
4 * The following copying information applies to this specific source code file:
6 * Written in 2013-2016 by Eric Biggers <ebiggers3@gmail.com>
8 * To the extent possible under law, the author(s) have dedicated all copyright
9 * and related and neighboring rights to this software to the public domain
10 * worldwide via the Creative Commons Zero 1.0 Universal Public Domain
11 * Dedication (the "CC0").
13 * This software is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the CC0 for more details.
17 * You should have received a copy of the CC0 along with this software; if not
18 * see <http://creativecommons.org/publicdomain/zero/1.0/>.
25 * Windows compatibility defines for string encoding. Applications using wimlib
26 * that need to run on both UNIX and Windows will need to do something similar
27 * to this, whereas applications that only need to run on one or the other can
28 * just use their platform's convention directly.
32 typedef wchar_t tchar;
39 #define TO_PERCENT(numerator, denominator) \
40 ((float)(((denominator) == 0) ? 0 : ((numerator) * 100 / (float)(denominator))))
42 static enum wimlib_progress_status
43 extract_progress(enum wimlib_progress_msg msg,
44 union wimlib_progress_info *info, void *progctx)
47 case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
48 printf("Extracting files: %.2f%% complete\n",
49 TO_PERCENT(info->extract.completed_bytes,
50 info->extract.total_bytes));
55 return WIMLIB_PROGRESS_STATUS_CONTINUE;
58 int main(int argc, tchar **argv)
61 WIMStruct *wim = NULL;
65 /* Check for the correct number of arguments. */
67 fprintf(stderr, "Usage: applywim WIM DIR\n");
74 /* Open the WIM file as a WIMStruct. */
75 ret = wimlib_open_wim(wimpath, /* Path of WIM file to open */
76 0, /* WIMLIB_OPEN_FLAG_* flags (0 means all defaults) */
77 &wim); /* Return the WIMStruct pointer in this location */
78 if (ret != 0) /* Always should check the error codes. */
81 /* Register our progress function. */
82 wimlib_register_progress_function(wim, extract_progress, NULL);
84 /* Extract the first image. */
85 ret = wimlib_extract_image(wim, /* WIMStruct from which to extract the image */
86 1, /* Image to extract */
87 destdir, /* Directory to extract the image to */
88 0); /* WIMLIB_EXTRACT_FLAG_* flags (0 means all defaults) */
91 /* Free the WIMStruct. Has no effect if the pointer to it is NULL. */
94 /* Check for error status. */
96 fprintf(stderr, "wimlib error %d: %" TS"\n",
97 ret, wimlib_get_error_string((enum wimlib_error_code)ret));
100 /* Free global memory (optional). */
101 wimlib_global_cleanup();