Experimental Physics and
Industrial Control System

Eric Norum <[email protected]> · Wed, 31 Mar 2010 08:36:48 -0700

I like this change a little better.  It leaves the buffer null-terminated if at all possible.
Mark, can you check this on the system that was causing problem and see if it fixes things?



diff -u macCore.c.orig macCore.c

--- macCore.c.orig	2010-03-31 08:31:20.000000000 -0700
+++ macCore.c	2010-03-31 08:33:51.000000000 -0700
@@ -697,6 +697,10 @@
         printf( "trans-> entry = %p, level = %d, maxlen = %u, discard = %s, "
         "rawval = %s\n", entry, level, (unsigned int)(valend - *value), discard ? "T" : "F", *rawval );
 
+    /* Don't write past end of buffer */
+    if (valend == *value) { entry->error = TRUE; return; }
+    if (--valend == *value) { *valend = '\0'; entry->error = TRUE; return; }
+
     /* initially not in quotes */
     quote = 0;


-- 
Eric Norum
[email protected]







Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System