From 045eb9773e37dbe31c5ff595d380beb71ac62863 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 30 May 2003 13:28:10 +0000
Subject: * numeric.c (rb_num2uint, rb_fix2int): new function to convert  
 values over INT_MAX.  [ruby-core:01099]

* ruby.h (NUM2UINT, FIX2INT): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog |  7 +++++++
 numeric.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++------
 ruby.h    |  6 ++++--
 3 files changed, 60 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 57f8c76c69..d1c950a458 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri May 30 22:28:04 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
+
+	* numeric.c (rb_num2uint, rb_fix2int): new function to convert
+	  values over INT_MAX.  [ruby-core:01099]
+
+	* ruby.h (NUM2UINT, FIX2INT): ditto.
+
 Fri May 30 14:55:44 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* eval.c (rb_Array): exclude Kernel#to_a instead of Object#to_a.
diff --git a/numeric.c b/numeric.c
index 322a1a1f71..b8b8a35d0b 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1000,15 +1000,40 @@ rb_num2ulong(val)
 }
 
 #if SIZEOF_INT < SIZEOF_LONG
+static void
+check_int(num)
+    long num;
+{
+    const char *s;
+
+    if (num < INT_MIN) {
+	s = "small";
+    }
+    else if (num > INT_MAX) {
+	s = "big";
+    }
+    else {
+	return;
+    }
+    rb_raise(rb_eRangeError, "integer %ld too %s to convert to `int'", num, s);
+}
+
+static void
+check_uint(num)
+    unsigned long num;
+{
+    if (num > INT_MAX) {
+	rb_raise(rb_eRangeError, "integer %lu too big to convert to `int'", num);
+    }
+}
+
 int
 rb_num2int(val)
     VALUE val;
 {
     long num = rb_num2long(val);
 
-    if (num < INT_MIN || INT_MAX < num) {
-	rb_raise(rb_eRangeError, "integer %ld too big to convert to `int'", num);
-    }
+    check_int(num);
     return (int)num;
 }
 
@@ -1018,9 +1043,27 @@ rb_fix2int(val)
 {
     long num = FIXNUM_P(val)?FIX2LONG(val):rb_num2long(val);
 
-    if (num < INT_MIN || INT_MAX < num) {
-	rb_raise(rb_eRangeError, "integer %ld too big to convert to `int'", num);
-    }
+    check_int(num);
+    return (int)num;
+}
+
+unsigned int
+rb_num2uint(val)
+    VALUE val;
+{
+    unsigned long num = rb_num2ulong(val);
+
+    check_uint(num);
+    return (int)num;
+}
+
+unsigned int
+rb_fix2int(val)
+    VALUE val;
+{
+    unsigned long num = FIXNUM_P(val)?FIX2LONG(val):rb_num2ulong(val);
+
+    check_uint(num);
     return (int)num;
 }
 #else
diff --git a/ruby.h b/ruby.h
index 41d89beb89..76ea5d8b7c 100644
--- a/ruby.h
+++ b/ruby.h
@@ -241,8 +241,10 @@ int rb_num2int _((VALUE));
 #define NUM2INT(x) (FIXNUM_P(x)?FIX2INT(x):rb_num2int((VALUE)x))
 int rb_fix2int _((VALUE));
 #define FIX2INT(x) rb_fix2int((VALUE)x)
-#define NUM2UINT(x) ((unsigned int)NUM2INT(x))
-#define FIX2UINT(x) ((unsigned int)FIX2INT(x))
+unsigned int rb_num2uint _((VALUE));
+#define NUM2UINT(x) rb_num2uint(x)
+unsigned int rb_fix2uint _((VALUE));
+#define FIX2UINT(x) rb_fix2uint(x)
 #else
 #define NUM2INT(x) ((int)NUM2LONG(x))
 #define NUM2UINT(x) ((unsigned int)NUM2ULONG(x))
-- 
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