From c7a882378e227e5536a854ce6686076457cb6a5e Mon Sep 17 00:00:00 2001
From: Kenichi Ishigaki <ishigaki@cpan.org>
Date: Thu, 17 Jun 2010 02:59:47 +0000
Subject: [PATCH] do not try float conversion without precision

---
 dbdimp.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/dbdimp.c b/dbdimp.c
index a79f78c..20062a7 100644
--- a/dbdimp.c
+++ b/dbdimp.c
@@ -169,9 +169,11 @@ sqlite_is_number(pTHX_ const char *v)
 
     sprintf(str, "%i", atoi(v));
     if (strEQ(str, v)) return 1;
-    sprintf(format, "%%.%df", precision);
-    sprintf(str, format, atof(v));
-    if (strEQ(str, v)) return 2;
+    if (precision) {
+        sprintf(format, "%%.%df", precision);
+        sprintf(str, format, atof(v));
+        if (strEQ(str, v)) return 2;
+    }
     return 0;
 }