akr	2013-06-23 07:43:47 +0900 (Sun, 23 Jun 2013)

  New Revision: 41583

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=41583

  Log:
    * bignum.c (bary_unpack_internal): Suppress warnings (C4146) on Visual Studio.
      Reported by ko1 via IRC.

  Modified files:
    trunk/ChangeLog
    trunk/bignum.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 41582)
+++ ChangeLog	(revision 41583)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sun Jun 23 07:41:52 2013  Tanaka Akira  <akr@f...>
+
+	* bignum.c (bary_unpack_internal): Suppress warnings (C4146) on Visual Studio.
+	  Reported by ko1 via IRC.
+
 Sun Jun 23 06:49:28 2013  Koichi Sasada  <ko1@a...>
 
 	* include/ruby/ruby.h, gc.c: rename macros and functions:
Index: bignum.c
===================================================================
--- bignum.c	(revision 41582)
+++ bignum.c	(revision 41583)
@@ -1364,7 +1364,7 @@ bary_unpack_internal(BDIGIT *bdigits, si https://github.com/ruby/ruby/blob/trunk/bignum.c#L1364
                     sign = (flags & INTEGER_PACK_NEGATIVE) ?
                         ((sizeof(uint8_t) == SIZEOF_BDIGITS && u == 0) ? -2 : -1) :
                         ((u >> (sizeof(uint8_t) * CHAR_BIT - 1)) ? -1 : 1);
-                    if (sign < 0) u = -(u | LSHIFTX((~(BDIGIT)0), sizeof(uint8_t) * CHAR_BIT));
+                    if (sign < 0) u = ((BDIGIT)0) - (u | LSHIFTX((~(BDIGIT)0), sizeof(uint8_t) * CHAR_BIT));
                 }
                 else
                     sign = (flags & INTEGER_PACK_NEGATIVE) ? -1 : 1;
@@ -1379,7 +1379,7 @@ bary_unpack_internal(BDIGIT *bdigits, si https://github.com/ruby/ruby/blob/trunk/bignum.c#L1379
                     sign = (flags & INTEGER_PACK_NEGATIVE) ?
                         ((sizeof(uint16_t) == SIZEOF_BDIGITS && u == 0) ? -2 : -1) :
                         ((u >> (sizeof(uint16_t) * CHAR_BIT - 1)) ? -1 : 1);
-                    if (sign < 0) u = -(u | LSHIFTX((~(BDIGIT)0), sizeof(uint16_t) * CHAR_BIT));
+                    if (sign < 0) u = ((BDIGIT)0) - (u | LSHIFTX((~(BDIGIT)0), sizeof(uint16_t) * CHAR_BIT));
                 }
                 else
                     sign = (flags & INTEGER_PACK_NEGATIVE) ? -1 : 1;
@@ -1395,7 +1395,7 @@ bary_unpack_internal(BDIGIT *bdigits, si https://github.com/ruby/ruby/blob/trunk/bignum.c#L1395
                     sign = (flags & INTEGER_PACK_NEGATIVE) ?
                         ((sizeof(uint32_t) == SIZEOF_BDIGITS && u == 0) ? -2 : -1) :
                         ((u >> (sizeof(uint32_t) * CHAR_BIT - 1)) ? -1 : 1);
-                    if (sign < 0) u = -(u | LSHIFTX((~(BDIGIT)0), sizeof(uint32_t) * CHAR_BIT));
+                    if (sign < 0) u = ((BDIGIT)0) - (u | LSHIFTX((~(BDIGIT)0), sizeof(uint32_t) * CHAR_BIT));
                 }
                 else
                     sign = (flags & INTEGER_PACK_NEGATIVE) ? -1 : 1;
@@ -1411,7 +1411,7 @@ bary_unpack_internal(BDIGIT *bdigits, si https://github.com/ruby/ruby/blob/trunk/bignum.c#L1411
                     sign = (flags & INTEGER_PACK_NEGATIVE) ?
                         ((sizeof(uint64_t) == SIZEOF_BDIGITS && u == 0) ? -2 : -1) :
                         ((u >> (sizeof(uint64_t) * CHAR_BIT - 1)) ? -1 : 1);
-                    if (sign < 0) u = -(u | LSHIFTX((~(BDIGIT)0), sizeof(uint64_t) * CHAR_BIT));
+                    if (sign < 0) u = ((BDIGIT)0) - (u | LSHIFTX((~(BDIGIT)0), sizeof(uint64_t) * CHAR_BIT));
                 }
                 else
                     sign = (flags & INTEGER_PACK_NEGATIVE) ? -1 : 1;

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