From 7329f4e92c90709fe57115f16a8ac9784a51b509 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 24 Nov 2010 03:50:03 +0000
Subject: * vsnprintf (BSD_vfprintf): added VC++ compatible size specifications
   (I, I32, I64).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vsnprintf.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'vsnprintf.c')

diff --git a/vsnprintf.c b/vsnprintf.c
index 6778b90d8f..a68b0d05dc 100644
--- a/vsnprintf.c
+++ b/vsnprintf.c
@@ -758,6 +758,24 @@ reswitch:	switch (ch) {
 			flags |= QUADINT;
 			goto rflag;
 #endif /* _HAVE_SANE_QUAD_ */
+#if _WIN32
+		case 'I':
+			if (*fmt == '3' && *(fmt + 1) == '2') {
+			    fmt += 2;
+			    flags |= LONGINT;
+			}
+			else if (*fmt == '6' && *(fmt + 1) == '4') {
+			    fmt += 2;
+			    flags |= QUADINT;
+			}
+			else
+#if SIZEOF_SIZE_T == SIZEOF_LONG_LONG
+			    flags |= QUADINT;
+#else
+			    flags |= LONGINT;
+#endif
+			goto rflag;
+#endif
 		case 'c':
 			cp = buf;
 			*buf = (char)va_arg(ap, int);
-- 
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