* bignum.c (bigdivrem): access boundary bug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1388 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri May 11 02:00:44 2001  Ryo HAYASAKA  <ryoh@jaist.ac.jp>
+
+	* bignum.c (bigdivrem): access boundary bug.
+
 Tue May  8 17:12:43 2001  K.Kosako  <kosako@sofnec.co.jp>
 
 	* eval.c (is_defined): core dumped during instance_eval for

bignum.c

@@ -918,7 +918,7 @@ bigdivrem(x, y, divp, modp)
     if (modp) {			/* just normalize remainder */
 	*modp = rb_big_clone(z);
 	zds = BDIGITS(*modp);
-	while (0 < ny && !zds[ny-1]) ny--;
+	while (ny-- && !zds[ny]); ++ny;
 	if (dd) {
 	    t2 = 0; i = ny;
 	    while(i--) {

configure.in

@@ -543,6 +543,8 @@ if test "$with_dln_a_out" != yes; then
 			rb_cv_dlopen=yes;;
 	sysv4*) 	LDSHARED='ld -G'
 			rb_cv_dlopen=yes;;
+        nto-qnx*)       LDSHARED="qcc -shared"
+                        rb_cv_dlopen=yes ;;
 	esix*|uxpds*) 	LDSHARED="ld -G"
 			rb_cv_dlopen=yes ;;
 	osf*) 		LDSHARED="$CC -shared"

dir.c

@@ -134,13 +134,13 @@ range(pat, test, flags)
 		  ((s) == string || pathname && isdirsep(*(s))))
 static int
 fnmatch(pat, string, flags)
-    char *pat;
-    char *string;
+    const char *pat;
+    const char *string;
     int flags;
 {
     int c;
     int test;
-    char *s = string;
+    const char *s = string;
     int escape = !(flags & FNM_NOESCAPE);
     int pathname = flags & FNM_PATHNAME;
     int period = flags & FNM_PERIOD;

lib/cgi/session.rb

@@ -96,10 +96,19 @@ class CGI
     end
 
     class FileStore
+      def check_id(id)
+	/[^0-9a-zA-Z]/ =~ id.to_s ? false : true
+      end
+      module_function :check_id
+
       def initialize(session, option={})
 	dir = option['tmpdir'] || ENV['TMP'] || '/tmp'
 	prefix = option['prefix'] || ''
-	path = dir+"/"+prefix+session.session_id
+	id = session.session_id
+	unless check_id(id)
+	  raise ArgumentError, "session_id `%s' is invalid" % id
+	end
+	path = dir+"/"+prefix+id
 	path.untaint
 	unless File::exist? path
 	  @hash = {}
@@ -149,9 +158,9 @@ class CGI
     class MemoryStore
       GLOBAL_HASH_TABLE = {}
 
-      def initialize(session, option={})
+      def initialize(session, option=nil)
 	@session_id = session.session_id
-	GLOBAL_HASH_TABLE[@session_id] = {}
+	GLOBAL_HASH_TABLE[@session_id] ||= {}
       end
 
       def restore
@@ -167,7 +176,7 @@ class CGI
       end
 
       def delete
-	GLOBAL_HASH_TABLE[@session_id] = nil
+	GLOBAL_HASH_TABLE.delete(@session_id)
       end
     end
   end

version.h

@@ -1,4 +1,4 @@
 #define RUBY_VERSION "1.6.4"
-#define RUBY_RELEASE_DATE "2001-05-08"
+#define RUBY_RELEASE_DATE "2001-05-11"
 #define RUBY_VERSION_CODE 164
-#define RUBY_RELEASE_CODE 20010508
+#define RUBY_RELEASE_CODE 20010511