2 * updatewim.c - A program to add a file or directory tree to the first image of
5 * The author dedicates this file to the public domain.
6 * You can do whatever you want with this file.
12 int main(int argc, char **argv)
16 char *wim_target_path;
18 WIMStruct *wim = NULL;
20 /* Check for the correct number of arguments. */
22 fprintf(stderr, "Usage: updatewim WIMFILE WIM_PATH EXTERNAL_PATH\n");
27 wim_target_path = argv[2];
28 fs_source_path = argv[3];
30 /* Open the WIM file. */
31 ret = wimlib_open_wim(wimfile, 0, &wim);
32 if (ret != 0) /* Always should check the error codes. */
35 /* Update the WIM image. In this simple example, we add a single file
36 * or directory tree to the specified location in the first image of the
37 * WIM file, using the default options.
39 * wimlib_add_tree() is actually sufficient for this case, but for the
40 * sake of demonstration we will use the more general function
41 * wimlib_update_image(). */
43 struct wimlib_update_command cmds[1];
45 memset(cmds, 0, sizeof(cmds));
47 /* Set up an "add" operation.
49 * Other available operations include WIMLIB_UPDATE_OP_RENAME and
50 * WIMLIB_UPDATE_OP_DELETE. */
51 cmds[0].op = WIMLIB_UPDATE_OP_ADD;
53 /* Set the arguments to the operation.
55 * Make sure to fill in 'rename' or 'delete_' instead of 'add' if doing
56 * a rename or delete operation instead! */
57 cmds[0].add.wim_target_path = wim_target_path;
58 cmds[0].add.fs_source_path = fs_source_path;
60 /* Note: we don't need to explicitly set 'cmds[0].add.config_file' and
61 * 'cmds[0].add.add_flags' because we zeroed the 'struct
62 * wimlib_update_command', and zero means use the defaults. */
64 ret = wimlib_update_image(wim, /* WIMStruct to update */
65 1, /* 1-based index of the image to update */
66 cmds, /* Array of command structures */
67 1, /* Number of command structures in array */
68 0); /* WIMLIB_UPDATE_FLAG_* flags (0 for defaults) */
72 /* Overwrite the WIM file.
74 * Normally, this will append new data to the file, rather than
75 * rebuilding the entire file.
77 * Changes do not take effect on-disk until this is done. */
79 ret = wimlib_overwrite(wim, /* WIMStruct to commit to the underlying file */
80 0, /* WIMLIB_WRITE_FLAG_* flags (0 for defaults) */
81 0); /* Number of compressor threads (0 means default) */
84 /* Free the WIMStruct. Has no effect if the pointer to it is NULL. */
87 /* Check for error status. */
89 fprintf(stderr, "wimlib error %d: %s\n",
90 ret, wimlib_get_error_string(ret));
93 /* Free global memory (optional). */
94 wimlib_global_cleanup();