Exit if there is a missing pattern argument.

1 files changed, 4 insertions, 0 deletions

diff --git a/fbench/src/splitfile/splitfile.cpp b/fbench/src/splitfile/splitfile.cpp
index 65eb0009564..8eddc163463 100644
--- a/fbench/src/splitfile/splitfile.cpp
+++ b/fbench/src/splitfile/splitfile.cpp
@@ -28,6 +28,10 @@ main(int argc, char** argv)
         switch(opt) {
         case 'p':
             pattern = optarg;
+            if (pattern == nullptr) {
+                printf("Missing 'pattern' argument to -p option !\n");
+                return -1;
+            }
             break;
         case 'm':
             linebufsize = atoi(optarg);