bool capture_sources_malloced;
struct wimlib_capture_source *capture_sources;
size_t num_sources;
+ bool name_defaulted;
for_opt(c, capture_or_append_options) {
switch (c) {
if (argc >= 3) {
name = argv[2];
+ name_defaulted = false;
} else {
/* Set default name to SOURCE argument, omitting any directory
* prefixes and trailing slashes. This requires making a copy
- * of @source. */
+ * of @source. Leave some free characters at the end in case we
+ * append a number to keep the name unique. */
source_name_len = tstrlen(source);
- source_copy = alloca((source_name_len + 1) * sizeof(tchar));
+ source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
name = tbasename(tstrcpy(source_copy, source));
+ name_defaulted = true;
}
/* Image description defaults to NULL if not given. */
desc = (argc >= 4) ? argv[3] : NULL;
}
}
}
+
+ if (cmd == APPEND && name_defaulted) {
+ /* If the user did not specify an image name, and the basename
+ * of the source already exists as an image name in the WIM
+ * file, append a suffix to make it unique. */
+ unsigned long conflict_idx;
+ tchar *name_end = tstrchr(name, T('\0'));
+ for (conflict_idx = 1;
+ wimlib_image_name_in_use(w, name);
+ conflict_idx++)
+ {
+ tsprintf(name_end, T(" (%lu)"), conflict_idx);
+ }
+ }
#ifdef __WIN32__
win32_acquire_capture_privileges();
#endif