From: uz <uz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Sun, 22 Apr 2012 21:57:28 +0000 (+0000)
Subject: The program dumped core when read/write was used without a conversion of the
X-Git-Tag: V2.14~416
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=0ff4e5cf646b23664eaf6356ed216164001d4386;p=cc65

The program dumped core when read/write was used without a conversion of the
input to binary data.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5651 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/src/sp65/main.c b/src/sp65/main.c
index a776bf9fb..3faf1f387 100644
--- a/src/sp65/main.c
+++ b/src/sp65/main.c
@@ -302,6 +302,11 @@ static void OptWrite (const char* Opt attribute ((unused)), const char* Arg)
     /* Parse the argument */
     Collection* A = ParseAttrList (Arg, NameList, 2);
 
+    /* We must have output data */
+    if (D == 0) {
+        Error ("No conversion, so there's nothing to write");
+    }
+
     /* Write the file */
     WriteOutputFile (D, A, C);