Ensure that an error message is returned

2014-06-16 16:18:17 +02:00
parent af213d6df7
commit 297b829482
1 changed files with 7 additions and 1 deletions
--- a/c_src/esqlite3_nif.c
+++ b/c_src/esqlite3_nif.c
@@ -144,10 +144,16 @@ get_sqlite3_return_code_msg(int r)
 static const char *
 get_sqlite3_error_msg(int error_code, sqlite3 *db)
 {
+    static const char *msg;
+
    if(error_code == SQLITE_MISUSE) 
        return "Sqlite3 was invoked incorrectly.";

-    return sqlite3_errmsg(db); 
+    msg = sqlite3_errmsg(db);
+    if(!msg) 
+        return "No sqlite3 error message found.";
+
+    return msg;
 }

 static ERL_NIF_TERM