From 69adeece9d16ffe0c1135f64dc5bcbb05393ca9a Mon Sep 17 00:00:00 2001
From: Mike Smith <msmith@FreeBSD.org>
Date: Thu, 16 Jan 1997 00:58:10 +0000
Subject: [PATCH] Oops, forgot this one.

---
 lang/bwbasic/files/patch-ab | 44 +++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 lang/bwbasic/files/patch-ab

diff --git a/lang/bwbasic/files/patch-ab b/lang/bwbasic/files/patch-ab
new file mode 100644
index 000000000000..79d0219b66a7
--- /dev/null
+++ b/lang/bwbasic/files/patch-ab
@@ -0,0 +1,44 @@
+--- ../../foo/bwbasic-2.20/bwb_dio.c	Sun Nov 26 09:02:18 1995
++++ bwb_dio.c	Thu Jan 16 11:10:58 1997
+@@ -90,7 +90,6 @@
+    {
+    FILE *fp;
+    struct exp_ese *e;
+-   int previous_buffer;
+    char atbuf[ MAXSTRINGSIZE + 1 ];
+    char first[ MAXSTRINGSIZE + 1 ];
+    char devname[ MAXSTRINGSIZE + 1 ];
+@@ -98,7 +97,6 @@
+    /* initialize */
+ 
+    mode = req_devnumber = rlen = -1;
+-   previous_buffer = FALSE;
+ 
+    /* get the first expression element up to comma or whitespace */
+ 
+@@ -435,7 +433,15 @@
+       sprintf( bwb_ebuf, "in bwb_open(): using previously closed file (and buffer)" );
+       bwb_debug( bwb_ebuf );
+ #endif
+-      previous_buffer = TRUE;
++      /*
++       * Previous code assumed that buffer was always valid, and
++       * always the right size.  (MJS)
++       */
++      if (dev_table[ req_devnumber ].buffer != NULL) 
++         {
++         free (dev_table[ req_devnumber ].buffer);
++         dev_table[ req_devnumber ].buffer = NULL;
++         }
+       }
+ 
+    if ( ( dev_table[ req_devnumber ].mode != DEVMODE_CLOSED ) &&
+@@ -512,7 +518,7 @@
+ 
+    /* allocate a character buffer for random access */
+ 
+-   if (( mode == DEVMODE_RANDOM ) && ( previous_buffer != TRUE ))
++   if ( mode == DEVMODE_RANDOM )
+       {
+       /* Revised to CALLOC pass-thru call by JBV */
+       if ( ( dev_table[ req_devnumber ].buffer = CALLOC( rlen + 1, 1, "bwb_open" )) == NULL )