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Bug 1256558 - Change MUST_CONVERT to avoid C4311 in VS2015; r=khuey

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This code is cherry picked from the trunk version of expat.

MozReview-Commit-ID: 8RDaArq2BwO

--HG--
extra : rebase_source : 72d9b56ec2d6d17a99e578017f0e5828ffd3aa1f
This commit is contained in:
Gregory Szorc 2016-03-21 12:00:41 -07:00
parent a74a4e5dde
commit 0f46d6549f
1 changed files with 3 additions and 1 deletions
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4
parser/expat/lib/xmlparse.c
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@ -26,7 +26,9 @@
#define XmlGetInternalEncoding XmlGetUtf16InternalEncoding
#define XmlGetInternalEncodingNS XmlGetUtf16InternalEncodingNS
#define XmlEncode XmlUtf16Encode
#define MUST_CONVERT(enc, s) (!(enc)->isUtf16 || (((unsigned long)s) & 1))
/* Using pointer subtraction to convert to integer type. */
#define MUST_CONVERT(enc, s) (!(enc)->isUtf16 || (((char *)(s) - (char *)NULL) & 1))
typedef unsigned short ICHAR;
#else
#define XML_ENCODE_MAX XML_UTF8_ENCODE_MAX