From 58a9481d8d5917d0bf6149fd92b588f37e31c2ab Mon Sep 17 00:00:00 2001
From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Thu, 1 Jun 2000 16:41:28 +0000
Subject: [PATCH] Abort on string overflow

git-svn-id: svn://svn.cc65.org/cc65/trunk@21 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 src/common/xsprintf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/common/xsprintf.c b/src/common/xsprintf.c
index e95eef4ca..600e12823 100644
--- a/src/common/xsprintf.c
+++ b/src/common/xsprintf.c
@@ -65,14 +65,14 @@ int xvsprintf (char* Buf, size_t BufSize, const char* Format, va_list ap)
 /* Replacement function for sprintf */
 {
 #if defined(__WATCOMC__)
-    return _vbprintf (Buf, BufSize, Format, ap);
+    int Res = _vbprintf (Buf, BufSize, Format, ap);
 #elsif defined(__GNUC__)
-    return vsnprintf (Buf, BufSize, Format, ap);
+    int Res = vsnprintf (Buf, BufSize, Format, ap);
 #else
     int Res = vsprintf (Buf, Format, ap);
-    assert ((unsigned) Res < BufSize);
-    return Res;
 #endif
+    assert (Res >= 0 && (unsigned) Res < BufSize);
+    return Res;		
 }