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/*
* applywim.c - A program to extract the first image from a WIM file.
*
* Copyright 2022 Eric Biggers
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <wimlib.h>
#include <stdio.h>
/*
* Windows compatibility defines for string encoding. Applications using wimlib
* that need to run on both UNIX and Windows will need to do something similar
* to this, whereas applications that only need to run on one or the other can
* just use their platform's convention directly.
*/
#ifdef _WIN32
# define main wmain
typedef wchar_t tchar;
# define TS "ls"
#else
typedef char tchar;
# define TS "s"
#endif
#define TO_PERCENT(numerator, denominator) \
((float)(((denominator) == 0) ? 0 : ((numerator) * 100 / (float)(denominator))))
static enum wimlib_progress_status
extract_progress(enum wimlib_progress_msg msg,
union wimlib_progress_info *info, void *progctx)
{
switch (msg) {
case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
printf("Extracting files: %.2f%% complete\n",
TO_PERCENT(info->extract.completed_bytes,
info->extract.total_bytes));
break;
default:
break;
}
return WIMLIB_PROGRESS_STATUS_CONTINUE;
}
int main(int argc, tchar **argv)
{
int ret;
WIMStruct *wim = NULL;
const tchar *wimpath;
const tchar *destdir;
/* Check for the correct number of arguments. */
if (argc != 3) {
fprintf(stderr, "Usage: applywim WIM DIR\n");
return 2;
}
wimpath = argv[1];
destdir = argv[2];
/* Open the WIM file as a WIMStruct. */
ret = wimlib_open_wim(wimpath, /* Path of WIM file to open */
0, /* WIMLIB_OPEN_FLAG_* flags (0 means all defaults) */
&wim); /* Return the WIMStruct pointer in this location */
if (ret != 0) /* Always should check the error codes. */
goto out;
/* Register our progress function. */
wimlib_register_progress_function(wim, extract_progress, NULL);
/* Extract the first image. */
ret = wimlib_extract_image(wim, /* WIMStruct from which to extract the image */
1, /* Image to extract */
destdir, /* Directory to extract the image to */
0); /* WIMLIB_EXTRACT_FLAG_* flags (0 means all defaults) */
out:
/* Free the WIMStruct. Has no effect if the pointer to it is NULL. */
wimlib_free(wim);
/* Check for error status. */
if (ret != 0) {
fprintf(stderr, "wimlib error %d: %" TS"\n",
ret, wimlib_get_error_string((enum wimlib_error_code)ret));
}
/* Free global memory (optional). */
wimlib_global_cleanup();
return ret;
}
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