+/*
+ * utils.c
+ *
+ * Babeltrace CTF IR - Utilities
+ *
+ * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+#include <glib.h>
+
+static
+const char * const reserved_keywords_str[] = {"align", "callsite",
+ "const", "char", "clock", "double", "enum", "env", "event",
+ "floating_point", "float", "integer", "int", "long", "short", "signed",
+ "stream", "string", "struct", "trace", "typealias", "typedef",
+ "unsigned", "variant", "void" "_Bool", "_Complex", "_Imaginary"};
+
+static GHashTable *reserved_keywords_set;
+static int init_done;
+static int global_data_refcount;
+
+static __attribute__((constructor))
+void trace_init(void)
+{
+ size_t i;
+ const size_t reserved_keywords_count =
+ sizeof(reserved_keywords_str) / sizeof(char *);
+
+ global_data_refcount++;
+ if (init_done) {
+ return;
+ }
+
+ reserved_keywords_set = g_hash_table_new(g_direct_hash, g_direct_equal);
+ for (i = 0; i < reserved_keywords_count; i++) {
+ gpointer quark = GINT_TO_POINTER(g_quark_from_string(
+ reserved_keywords_str[i]));
+
+ g_hash_table_insert(reserved_keywords_set, quark, quark);
+ }
+
+ init_done = 1;
+}
+
+static __attribute__((destructor))
+void trace_finalize(void)
+{
+ if (--global_data_refcount == 0) {
+ g_hash_table_destroy(reserved_keywords_set);
+ }
+}
+
+int bt_ctf_validate_identifier(const char *input_string)
+{
+ int ret = 0;
+ char *string = NULL;
+ char *save_ptr, *token;
+
+ if (!input_string || input_string[0] == '\0') {
+ ret = -1;
+ goto end;
+ }
+
+ string = strdup(input_string);
+ if (!string) {
+ ret = -1;
+ goto end;
+ }
+
+ token = strtok_r(string, " ", &save_ptr);
+ while (token) {
+ if (g_hash_table_lookup_extended(reserved_keywords_set,
+ GINT_TO_POINTER(g_quark_from_string(token)),
+ NULL, NULL)) {
+ ret = -1;
+ goto end;
+ }
+
+ token = strtok_r(NULL, " ", &save_ptr);
+ }
+end:
+ free(string);
+ return ret;
+}