Changeset d11bb1 in git for Singular/fehelp.cc

Timestamp:

Sep 13, 2004, 5:41:33 PM (20 years ago)

Author:

Hans Schönemann <hannes@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

74162eba2d3f35dd123f55f9ab68878f90f46f29

Parents:

fd19918f854ac98e47302698e9bddb1987360d33

Message:

*hannes: buffer overfl. at idx scan


git-svn-id: file:///usr/local/Singular/svn/trunk@7467 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• Singular/fehelp.cc (modified) (3 diffs)

Singular/fehelp.cc

@@ -4 +4 @@
 /*
 * ABSTRACT: help system
-* versin $Id: fehelp.cc,v 1.38 2003-05-31 14:13:06 Singular Exp $
+* versin $Id: fehelp.cc,v 1.39 2004-09-13 15:41:33 Singular Exp $
 */
 
@@ -30 +30 @@
  *
  *****************************************************************/
-#define MAX_HE_ENTRY_LENGTH 60
+#define MAX_HE_ENTRY_LENGTH 160
 typedef struct
 {
@@ -607 +607 @@
   fd = fopen(filename, "r");
   if (fd == NULL) return 0;
+  memset(index_key,0,MAX_HE_ENTRY_LENGTH);
   while (fscanf(fd, "%[^\t]\t%*[^\n]\n", index_key) == 1)
   {
-    if (strmatch(index_key, key))
+    if (index_key[MAX_HE_ENTRY_LENGTH]!='\0')
+    {
+      WerrorS("index file corrupt");
+      break;
+    }
+    else if (strmatch(index_key, key))
     {
       i++;