From 1f6b4efc877b46a7ccb1514cacb3ffffb58e28a5 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Wed, 14 Oct 2015 21:56:57 +0200
Subject: argc can be 0, do not crash on error if it is
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 src/mongoclock.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mongoclock.c b/src/mongoclock.c
index 3170c95..96244b6 100644
--- a/src/mongoclock.c
+++ b/src/mongoclock.c
@@ -298,12 +298,11 @@ int main(int argc, char* argv[])
   return 0;
   
  fail:
-  perror(*argv);
+  perror(argc ? *argv : "mongoclock");
   fprintf(stdout, "\033[?25h\n\033[?1049l");
   fflush(stdout);
   if (fd >= 0)
     close(fd);
   return 1;
-  (void) argc;
 }
 
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