* As a special case, the empty string will be interpreted as a single path
* separator (which means the root of capture itself).
*/
-bool
+static bool
should_exclude_path(const tchar *path, size_t path_nchars,
const struct capture_config *config)
{
!match_pattern_list(path, path_nchars, &config->exclusion_exception_pats);
}
+
+/*
+ * Determine if a file should be excluded from capture.
+ *
+ * This function tests exclusions from both of the two possible sources of
+ * exclusions:
+ *
+ * (1) The capture configuration file
+ * (2) The user-provided progress function
+ *
+ * The capture implementation must have set params->capture_root_nchars to an
+ * appropriate value. Example for UNIX: if the capture root directory is
+ * "foobar/subdir", then all paths will be provided starting with
+ * "foobar/subdir", so params->capture_root_nchars must be set to
+ * strlen("foobar/subdir") so that try_exclude() can use the appropriate suffix
+ * when it calls should_exclude_path().
+ *
+ *
+ * Returns:
+ * < 0 if excluded
+ * = 0 if not excluded and no error
+ * > 0 (wimlib error code) if error
+ */
+int
+try_exclude(const tchar *full_path, size_t full_path_nchars,
+ const struct add_image_params *params)
+{
+ int ret;
+
+ if (should_exclude_path(full_path + params->capture_root_nchars,
+ full_path_nchars - params->capture_root_nchars,
+ params->config))
+ return -1;
+
+ if (unlikely(params->add_flags & WIMLIB_ADD_FLAG_TEST_FILE_EXCLUSION)) {
+ union wimlib_progress_info info;
+
+ info.test_file_exclusion.path = full_path;
+ info.test_file_exclusion.will_exclude = false;
+
+ #ifdef __WIN32__
+ /* Hack for Windows... */
+
+ wchar_t *p_question_mark = NULL;
+
+ if (!wcsncmp(full_path, L"\\??\\", 4)) {
+ /* Trivial transformation: NT namespace => Win32 namespace */
+ p_question_mark = (wchar_t *)&full_path[1];
+ *p_question_mark = L'\\';
+ }
+ #endif
+
+ ret = call_progress(params->progfunc, WIMLIB_PROGRESS_MSG_TEST_FILE_EXCLUSION,
+ &info, params->progctx);
+
+ #ifdef __WIN32__
+ if (p_question_mark)
+ *p_question_mark = L'?';
+ #endif
+
+ if (ret)
+ return ret;
+ if (info.test_file_exclusion.will_exclude)
+ return -1;
+ }
+
+ return 0;
+}