Revision: 77527
http://sourceforge.net/p/brlcad/code/77527
Author: brlcad
Date: 2020-10-22 03:41:09 +0000 (Thu, 22 Oct 2020)
Log Message:
-----------
make sure we don't overflow the allocation and print the title differently
Modified Paths:
--------------
brlcad/trunk/src/gtools/tests/bigdb.c
Modified: brlcad/trunk/src/gtools/tests/bigdb.c
===================================================================
--- brlcad/trunk/src/gtools/tests/bigdb.c 2020-10-22 00:00:14 UTC (rev
77526)
+++ brlcad/trunk/src/gtools/tests/bigdb.c 2020-10-22 03:41:09 UTC (rev
77527)
@@ -87,17 +87,27 @@
/* bu_log("using %s temp file\n", filename); */
+ /* make sure we don't overflow */
+ BU_ASSERT((uint64_t)sz < (uint64_t)(SIZE_MAX/2));
+ BU_ASSERT(sz > strlen("123......321")+1);
+
title = (char *)bu_malloc(sz * 2, "test allocation");
bu_free(title, "test allocation");
-
+
title = (char *)bu_malloc(sz, "title");
memset(title, ' ', sz);
- title[0] = '3';
+ title[0] = '1';
title[1] = '2';
- title[2] = '1';
- title[sz-4] = '1';
+ title[2] = '3';
+ title[3] = '.';
+ title[4] = '.';
+ title[5] = '.';
+ title[sz-7] = '.';
+ title[sz-6] = '.';
+ title[sz-5] = '.';
+ title[sz-4] = '3';
title[sz-3] = '2';
- title[sz-2] = '3';
+ title[sz-2] = '1';
title[sz-1] = '\0';
/* bu_log("setting title to %ld == %ld chars long (%c%c%c <> %c%c%c)\n",
strlen(title), sz-1, title[0], title[1], title[2], title[sz-4], title[sz-3],
title[sz-2]); */
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