From 59718f4f8d4c42319e304dcd12e8af3c7f6fc233 Mon Sep 17 00:00:00 2001
From: seleznevae <seleznevae@protonmail.com>
Date: Sat, 12 May 2018 13:09:07 +0300
Subject: [PATCH] [F] Fixed memory buf

---
 lib/fort.c   | 18 ++++++++++++------
 src/vector.c | 18 ++++++++++++------
 2 files changed, 24 insertions(+), 12 deletions(-)

diff --git a/lib/fort.c b/lib/fort.c
index a73ec8f..42dedab 100644
--- a/lib/fort.c
+++ b/lib/fort.c
@@ -2730,15 +2730,21 @@ fort_status_t vector_swap(vector_t *cur_vec, vector_t *mv_vec, size_t pos)
         }
     }
 
-    memcpy(tmp,
-           (char *)cur_vec->m_data + deviation,
-           cur_vec->m_item_size * new_mv_sz);
+    if (tmp) {
+        memcpy(tmp,
+               (char *)cur_vec->m_data + deviation,
+               cur_vec->m_item_size * new_mv_sz);
+    }
+
     memcpy((char *)cur_vec->m_data + deviation,
            mv_vec->m_data,
            cur_vec->m_item_size * mv_sz);
-    memcpy(mv_vec->m_data,
-           tmp,
-           cur_vec->m_item_size * new_mv_sz);
+
+    if (tmp) {
+        memcpy(mv_vec->m_data,
+               tmp,
+               cur_vec->m_item_size * new_mv_sz);
+    }
 
     cur_vec->m_size = MAX(cur_vec->m_size, min_targ_size);
     mv_vec->m_size = new_mv_sz;
diff --git a/src/vector.c b/src/vector.c
index 8887998..c0b132f 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -196,15 +196,21 @@ fort_status_t vector_swap(vector_t *cur_vec, vector_t *mv_vec, size_t pos)
         }
     }
 
-    memcpy(tmp,
-           (char *)cur_vec->m_data + deviation,
-           cur_vec->m_item_size * new_mv_sz);
+    if (tmp) {
+        memcpy(tmp,
+               (char *)cur_vec->m_data + deviation,
+               cur_vec->m_item_size * new_mv_sz);
+    }
+
     memcpy((char *)cur_vec->m_data + deviation,
            mv_vec->m_data,
            cur_vec->m_item_size * mv_sz);
-    memcpy(mv_vec->m_data,
-           tmp,
-           cur_vec->m_item_size * new_mv_sz);
+
+    if (tmp) {
+        memcpy(mv_vec->m_data,
+               tmp,
+               cur_vec->m_item_size * new_mv_sz);
+    }
 
     cur_vec->m_size = MAX(cur_vec->m_size, min_targ_size);
     mv_vec->m_size = new_mv_sz;