[or-cvs] r18586: {torvm} Fix size check in base16encode and make builds happy for bui (torvm/trunk/build/win32/src/torvm-w32)

[coderman at seul.org]

Author: coderman
Date: 2009-02-17 05:38:46 -0500 (Tue, 17 Feb 2009)
New Revision: 18586

Modified:
   torvm/trunk/build/win32/src/torvm-w32/apicommon.c
Log:
Fix size check in base16encode and make builds happy for buildbot until bundle merge finished.

Modified: torvm/trunk/build/win32/src/torvm-w32/apicommon.c
===================================================================
--- torvm/trunk/build/win32/src/torvm-w32/apicommon.c	2009-02-17 06:40:51 UTC (rev 18585)
+++ torvm/trunk/build/win32/src/torvm-w32/apicommon.c	2009-02-17 10:38:46 UTC (rev 18586)
@@ -289,15 +289,18 @@
                   char **  hexstr)
 {
   BOOL retval = FALSE;
-  DWORD olen = 0;
+  int olen = 0;
   *hexstr = NULL;
   DWORD i;
-  if (len >= (DWORD)(float)(olen-1)/2) {
-    lerror ("Bogus call to base16encode with length: %ld.", len);
+  /* sanity check long before we need to worry about int overflow... */
+#define BASE16BUF_MAXSIZE (1024*1024)
+  if ((unsigned long)len > BASE16BUF_MAXSIZE) {
+    lerror ("Bogus call to base16encode with length: %ld. Over sanity limit of %ld", len, BASE16BUF_MAXSIZE);
     return FALSE;
   }
   olen = len * 2 + 1;
-  if (! *hexstr = malloc(olen)) {
+  *hexstr = malloc(olen);
+  if (NULL == *hexstr) {
     lerror ("base16encode malloc failed with length: %ld.", olen);
     return FALSE;
   }