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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-10-07 04:20:07 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-10-07 04:20:07 +0000
commite09dd5638b67d66f92d29b9a4a2d33d5c84ac50d (patch)
tree1327c3ab14e04b38c7f692e3b920a08a1ecc10fd
parenta021762e6ccc1101fefbac38abb168b69a11f0ca (diff)
luatexdir/image/epdf.h: Support Visual Studio 2010 for log().
git-svn-id: svn://tug.org/texlive/trunk@38576 c570f23f-e606-0410-a88d-b1316a301751
-rw-r--r--Build/source/texk/web2c/luatexdir/ChangeLog1
-rw-r--r--Build/source/texk/web2c/luatexdir/image/epdf.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/ChangeLog b/Build/source/texk/web2c/luatexdir/ChangeLog
index 393b117e677..2d30d67b1c3 100644
--- a/Build/source/texk/web2c/luatexdir/ChangeLog
+++ b/Build/source/texk/web2c/luatexdir/ChangeLog
@@ -1,6 +1,7 @@
2015-10-07 Akira Kakuto <kakuto@fuk.kindai.ac.jp>
* Sync with the upstream trunk.
+ * image/epdf.h: Support Visual Studio 2010 for log().
2015-10-05 Akira Kakuto <kakuto@fuk.kindai.ac.jp>
diff --git a/Build/source/texk/web2c/luatexdir/image/epdf.h b/Build/source/texk/web2c/luatexdir/image/epdf.h
index 1a4cc78c381..6bd9734b9dc 100644
--- a/Build/source/texk/web2c/luatexdir/image/epdf.h
+++ b/Build/source/texk/web2c/luatexdir/image/epdf.h
@@ -199,7 +199,11 @@ PdfDocument *refMemStreamPdfDocument(char *docstream, unsigned long long streams
#define STREAM_CHECKSUM_SIZE 16 // md5
+#if defined(_MSC_VER) // VS 2010 cannot compile log(ULONG_MAX)/log(16)
+#define STRSTREAM_CHECKSUM_SIZE 1+((unsigned int)(log((double)ULONG_MAX)/log(16.0))) // djb2 printable digest as hex stream
+#else
#define STRSTREAM_CHECKSUM_SIZE 1+((unsigned int)(log(ULONG_MAX)/log(16))) // djb2 printable digest as hex stream
+#endif
#define STREAM_FILE_ID_LEN 2048 // 2048 bytes are enough to make a strong almost-unique name
#define STREAM_URI "data:application/pdf,"
#define STREAM_URI_LEN 21 // length of "data:application/pdf," without final '\0'