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path: root/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
index b995e5c050a..8cc70f759af 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/ttcmap.c
@@ -4,7 +4,7 @@
/* */
/* TrueType character mapping table (cmap) support (body). */
/* */
-/* Copyright 2002-2017 by */
+/* Copyright 2002-2018 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -518,7 +518,11 @@
if ( offset == 0 )
+ {
+ if ( charcode == 0x100 )
+ goto Exit; /* this happens only for a malformed cmap */
goto Next_SubHeader;
+ }
if ( char_lo < start )
{
@@ -547,9 +551,19 @@
}
}
- /* jump to next sub-header, i.e. higher byte value */
+ /* If `charcode' is <= 0xFF, retry with `charcode + 1'. If */
+ /* `charcode' is 0x100 after the loop, do nothing since we have */
+ /* just reached the first sub-header for two-byte character codes. */
+ /* */
+ /* For all other cases, we jump to the next sub-header and adjust */
+ /* `charcode' accordingly. */
Next_SubHeader:
- charcode = FT_PAD_FLOOR( charcode, 256 ) + 256;
+ if ( charcode <= 0xFF )
+ charcode++;
+ else if ( charcode == 0x100 )
+ ;
+ else
+ charcode = FT_PAD_FLOOR( charcode, 0x100 ) + 0x100;
}
Exit: