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/*
* updatewim.c - A program to add a file or directory tree to the first image of
* 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 <string.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
int main(int argc, tchar **argv)
{
int ret;
tchar *wimfile;
tchar *wim_target_path;
tchar *fs_source_path;
WIMStruct *wim = NULL;
struct wimlib_update_command cmds[1];
/* Check for the correct number of arguments. */
if (argc != 4) {
fprintf(stderr, "Usage: updatewim WIMFILE WIM_PATH EXTERNAL_PATH\n");
return 2;
}
wimfile = argv[1];
wim_target_path = argv[2];
fs_source_path = argv[3];
/* Open the WIM file. */
ret = wimlib_open_wim(wimfile, 0, &wim);
if (ret != 0) /* Always should check the error codes. */
goto out;
/* Update the WIM image. In this simple example, we add a single file
* or directory tree to the specified location in the first image of the
* WIM file, using the default options.
*
* wimlib_add_tree() is actually sufficient for this case, but for the
* sake of demonstration we will use the more general function
* wimlib_update_image(). */
memset(cmds, 0, sizeof(cmds));
/* Set up an "add" operation.
*
* Other available operations include WIMLIB_UPDATE_OP_RENAME and
* WIMLIB_UPDATE_OP_DELETE. */
cmds[0].op = WIMLIB_UPDATE_OP_ADD;
/* Set the arguments to the operation.
*
* Make sure to fill in 'rename' or 'delete_' instead of 'add' if doing
* a rename or delete operation instead! */
cmds[0].add.wim_target_path = wim_target_path;
cmds[0].add.fs_source_path = fs_source_path;
/* Note: we don't need to explicitly set 'cmds[0].add.config_file' and
* 'cmds[0].add.add_flags' because we zeroed the 'struct
* wimlib_update_command', and zero means use the defaults. */
ret = wimlib_update_image(wim, /* WIMStruct to update */
1, /* 1-based index of the image to update */
cmds, /* Array of command structures */
1, /* Number of command structures in array */
0); /* WIMLIB_UPDATE_FLAG_* flags (0 for defaults) */
if (ret != 0)
goto out;
/* Overwrite the WIM file.
*
* Normally, this will append new data to the file, rather than
* rebuilding the entire file.
*
* Changes do not take effect on-disk until this is done. */
ret = wimlib_overwrite(wim, /* WIMStruct to commit to the underlying file */
0, /* WIMLIB_WRITE_FLAG_* flags (0 for defaults) */
0); /* Number of compressor threads (0 means default) */
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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