vtysh: Call fflush+fsync before calling fclose() when saving the config

A safety check we flushed the data to the storage.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>

diff --git a/vtysh/vtysh.c b/vtysh/vtysh.c
index 0b85b2ea496f7666c21cc71638b58af3832e8866..74886254bdb936e22e78e089eeea48f5b7e9f962 100644 (file)
--- a/vtysh/vtysh.c
+++ b/vtysh/vtysh.c
@@ -3361,6 +3361,18 @@ int vtysh_write_config_integrated(void)
                err++;
        }
 
+       if (fflush(fp) != 0) {
+               printf("%% Warning: fflush() failed on %s: %s\n", frr_config,
+                      safe_strerror(errno));
+               err++;
+       }
+
+       if (fsync(fd) < 0) {
+               printf("%% Warning: fsync() failed on %s: %s\n", frr_config,
+                      safe_strerror(errno));
+               err++;
+       }
+
        fclose(fp);
 
        printf("Integrated configuration saved to %s\n", frr_config);