* bignum.c (big_lshift): make shift offset long type.

  (big_rshift): ditto.
  (rb_big_lshift): ditto.
  (big_rshift): ditto.
  [ruby-dev:31434]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@13061 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 10 deletions

diff --git a/bignum.c b/bignum.c
index 38717e4257..e49a18b118 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1577,8 +1577,8 @@ bdigbitsize(BDIGIT x)
     return size;
 }
 
-static VALUE big_lshift _((VALUE, unsigned int));
-static VALUE big_rshift _((VALUE, unsigned int));
+static VALUE big_lshift _((VALUE, unsigned long));
+static VALUE big_rshift _((VALUE, unsigned long));
 
 static VALUE big_shift(x, n)
     VALUE x;
@@ -1986,11 +1986,12 @@ VALUE
 rb_big_lshift(x, y)
     VALUE x, y;
 {
-    int shift, neg = 0;
+    long shift;
+    int neg = 0;
 
     for (;;) {
 	if (FIXNUM_P(y)) {
-	    shift = FIX2INT(y);
+	    shift = FIX2LONG(y);
 	    if (shift < 0) {
 		neg = 1;
 		shift = -shift;
@@ -2016,10 +2017,10 @@ rb_big_lshift(x, y)
 static VALUE
 big_lshift(x, shift)
     VALUE x;
-    unsigned int shift;
+    unsigned long shift;
 {
     BDIGIT *xds, *zds;
-    int s1 = shift/BITSPERDIG;
+    long s1 = shift/BITSPERDIG;
     int s2 = shift%BITSPERDIG;
     VALUE z;
     BDIGIT_DBL num = 0;
@@ -2052,12 +2053,12 @@ VALUE
 rb_big_rshift(x, y)
     VALUE x, y;
 {
-    int shift;
+    long shift;
     int neg = 0;
 
     for (;;) {
 	if (FIXNUM_P(y)) {
-	    shift = FIX2INT(y);
+	    shift = FIX2LONG(y);
 	    if (shift < 0) {
 		neg = 1;
 		shift = -shift;
@@ -2085,11 +2086,11 @@ rb_big_rshift(x, y)
 static VALUE
 big_rshift(x, shift)
     VALUE x;
-    unsigned int shift;
+    unsigned long shift;
 {
     BDIGIT *xds, *zds;
     long s1 = shift/BITSPERDIG;
-    long s2 = shift%BITSPERDIG;
+    int s2 = shift%BITSPERDIG;
     VALUE z;
     BDIGIT_DBL num = 0;
     long i, j;