ctf: assert that request_sz in medium ops request_bytes is greater than 0

[babeltrace.git] / src / plugins / ctf / fs-src / data-stream-file.c

diff --git a/src/plugins/ctf/fs-src/data-stream-file.c b/src/plugins/ctf/fs-src/data-stream-file.c
index 30da41a140fca4ee278dc5cfdd63f7d6f1c8b675..c4edcd32553104718c39d8c72fa05e8430450a8e 100644 (file)
--- a/src/plugins/ctf/fs-src/data-stream-file.c
+++ b/src/plugins/ctf/fs-src/data-stream-file.c
@@ -143,9 +143,7 @@ enum ctf_msg_iter_medium_status medop_request_bytes(
        bt_self_component *self_comp = ds_file->self_comp;
        bt_logging_level log_level = ds_file->log_level;
 
-       if (request_sz == 0) {
-               goto end;
-       }
+       BT_ASSERT(request_sz > 0);
 
        /*
         * Check if we have at least one memory-mapped byte left. If we don't,
@@ -174,9 +172,12 @@ enum ctf_msg_iter_medium_status medop_request_bytes(
                }
        }
 
+       BT_ASSERT(remaining_mmap_bytes(ds_file) > 0);
        *buffer_sz = MIN(remaining_mmap_bytes(ds_file), request_sz);
+
        BT_ASSERT(ds_file->mmap_addr);
        *buffer_addr = ((uint8_t *) ds_file->mmap_addr) + ds_file->request_offset_in_mapping;
+
        ds_file->request_offset_in_mapping += *buffer_sz;
        goto end;