return view;
}
+LTTNG_HIDDEN
+bool lttng_buffer_view_is_valid(const struct lttng_buffer_view *view)
+{
+ return view && view->data && view->size > 0;
+}
+
LTTNG_HIDDEN
struct lttng_buffer_view lttng_buffer_view_from_view(
const struct lttng_buffer_view *src, size_t offset,
end:
return view;
}
+
+LTTNG_HIDDEN
+bool lttng_buffer_view_contains_string(const struct lttng_buffer_view *buf,
+ const char *str,
+ size_t len_with_null_terminator)
+{
+ const char *past_buf_end;
+ size_t max_str_len_with_null_terminator;
+ size_t str_len;
+ bool ret;
+
+ past_buf_end = buf->data + buf->size;
+
+ /* Is the start of the string in the buffer view? */
+ if (str < buf->data || str >= past_buf_end) {
+ ret = false;
+ goto end;
+ }
+
+ /*
+ * Max length the string could have to fit in the buffer, including
+ * NULL terminator.
+ */
+ max_str_len_with_null_terminator = past_buf_end - str;
+
+ /* Could the string even fit in the buffer? */
+ if (len_with_null_terminator > max_str_len_with_null_terminator) {
+ ret = false;
+ goto end;
+ }
+
+ str_len = lttng_strnlen(str, max_str_len_with_null_terminator);
+ if (str_len != (len_with_null_terminator - 1)) {
+ ret = false;
+ goto end;
+ }
+
+ ret = true;
+
+end:
+ return ret;
+}