Add lttng_dynamic_buffer_get_capacity_left util

[lttng-tools.git] / src / common / dynamic-buffer.c

diff --git a/src/common/dynamic-buffer.c b/src/common/dynamic-buffer.c
index fd39f813b3c2568beec2dff1be91343161ec8517..2e27afa1f92f446c12de25a0f268f6de33623536 100644 (file)
--- a/src/common/dynamic-buffer.c
+++ b/src/common/dynamic-buffer.c
@@ -186,3 +186,13 @@ void lttng_dynamic_buffer_reset(struct lttng_dynamic_buffer *buffer)
        buffer->_capacity = 0;
        free(buffer->data);
 }
+
+LTTNG_HIDDEN
+size_t lttng_dynamic_buffer_get_capacity_left(
+               struct lttng_dynamic_buffer *buffer)
+{
+       if (!buffer) {
+               return 0;
+       }
+       return buffer->_capacity - buffer->size;
+}