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400 lines
7.5 KiB
400 lines
7.5 KiB
6 years ago
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--- freetype-2.4.11/src/base/ftstream.c
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+++ freetype-2.4.11/src/base/ftstream.c
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@@ -373,6 +373,25 @@
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}
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+ FT_BASE_DEF( FT_Short )
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+ FT_Stream_GetShort( FT_Stream stream )
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+ {
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+ FT_Byte* p;
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+ FT_Short result;
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+
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+
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+ FT_ASSERT( stream && stream->cursor );
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+
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+ result = 0;
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+ p = stream->cursor;
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+ if ( p + 1 < stream->limit )
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+ result = FT_NEXT_SHORT( p );
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+ stream->cursor = p;
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+
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+ return result;
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+ }
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+
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+
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FT_BASE_DEF( FT_UShort )
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FT_Stream_GetUShortLE( FT_Stream stream )
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{
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@@ -392,6 +411,25 @@
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}
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+ FT_BASE_DEF( FT_Short )
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+ FT_Stream_GetShortLE( FT_Stream stream )
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+ {
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+ FT_Byte* p;
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+ FT_Short result;
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+
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+
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+ FT_ASSERT( stream && stream->cursor );
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+
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+ result = 0;
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+ p = stream->cursor;
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+ if ( p + 1 < stream->limit )
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+ result = FT_NEXT_SHORT_LE( p );
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+ stream->cursor = p;
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+
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+ return result;
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+ }
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+
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+
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FT_BASE_DEF( FT_ULong )
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FT_Stream_GetUOffset( FT_Stream stream )
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{
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@@ -410,6 +448,24 @@
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}
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+ FT_BASE_DEF( FT_Long )
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+ FT_Stream_GetOffset( FT_Stream stream )
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+ {
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+ FT_Byte* p;
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+ FT_Long result;
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+
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+
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+ FT_ASSERT( stream && stream->cursor );
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+
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+ result = 0;
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+ p = stream->cursor;
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+ if ( p + 2 < stream->limit )
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+ result = FT_NEXT_OFF3( p );
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+ stream->cursor = p;
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+ return result;
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+ }
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+
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+
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FT_BASE_DEF( FT_ULong )
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FT_Stream_GetULong( FT_Stream stream )
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{
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@@ -428,6 +484,24 @@
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}
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+ FT_BASE_DEF( FT_Long )
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+ FT_Stream_GetLong( FT_Stream stream )
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+ {
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+ FT_Byte* p;
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+ FT_Long result;
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+
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+
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+ FT_ASSERT( stream && stream->cursor );
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+
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+ result = 0;
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+ p = stream->cursor;
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+ if ( p + 3 < stream->limit )
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+ result = FT_NEXT_LONG( p );
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+ stream->cursor = p;
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+ return result;
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+ }
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+
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+
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FT_BASE_DEF( FT_ULong )
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FT_Stream_GetULongLE( FT_Stream stream )
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{
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@@ -446,6 +520,24 @@
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}
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+ FT_BASE_DEF( FT_Long )
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+ FT_Stream_GetLongLE( FT_Stream stream )
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+ {
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+ FT_Byte* p;
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+ FT_Long result;
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+
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+
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+ FT_ASSERT( stream && stream->cursor );
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+
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+ result = 0;
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+ p = stream->cursor;
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+ if ( p + 3 < stream->limit )
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+ result = FT_NEXT_LONG_LE( p );
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+ stream->cursor = p;
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+ return result;
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+ }
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+
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+
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FT_BASE_DEF( FT_Char )
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FT_Stream_ReadChar( FT_Stream stream,
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FT_Error* error )
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@@ -530,6 +622,53 @@
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}
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+ FT_BASE_DEF( FT_Short )
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+ FT_Stream_ReadShort( FT_Stream stream,
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+ FT_Error* error )
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+ {
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+ FT_Byte reads[2];
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+ FT_Byte* p = 0;
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+ FT_Short result = 0;
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+
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+
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+ FT_ASSERT( stream );
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+
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+ *error = FT_Err_Ok;
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+
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+ if ( stream->pos + 1 < stream->size )
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+ {
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+ if ( stream->read )
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+ {
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+ if ( stream->read( stream, stream->pos, reads, 2L ) != 2L )
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+ goto Fail;
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+
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+ p = reads;
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+ }
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+ else
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+ {
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+ p = stream->base + stream->pos;
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+ }
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+
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+ if ( p )
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+ result = FT_NEXT_SHORT( p );
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+ }
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+ else
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+ goto Fail;
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+
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+ stream->pos += 2;
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+
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+ return result;
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+
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+ Fail:
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+ *error = FT_Err_Invalid_Stream_Operation;
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+ FT_ERROR(( "FT_Stream_ReadShort:"
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+ " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
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+ stream->pos, stream->size ));
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+
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+ return 0;
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+ }
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+
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+
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FT_BASE_DEF( FT_UShort )
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FT_Stream_ReadUShortLE( FT_Stream stream,
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FT_Error* error )
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@@ -577,6 +716,53 @@
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}
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+ FT_BASE_DEF( FT_Short )
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+ FT_Stream_ReadShortLE( FT_Stream stream,
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+ FT_Error* error )
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+ {
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+ FT_Byte reads[2];
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+ FT_Byte* p = 0;
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+ FT_Short result = 0;
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+
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+
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+ FT_ASSERT( stream );
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+
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+ *error = FT_Err_Ok;
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+
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+ if ( stream->pos + 1 < stream->size )
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+ {
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+ if ( stream->read )
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+ {
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+ if ( stream->read( stream, stream->pos, reads, 2L ) != 2L )
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+ goto Fail;
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+
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+ p = reads;
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+ }
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+ else
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+ {
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+ p = stream->base + stream->pos;
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+ }
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+
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+ if ( p )
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+ result = FT_NEXT_SHORT_LE( p );
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+ }
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+ else
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+ goto Fail;
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+
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+ stream->pos += 2;
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+
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+ return result;
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+
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+ Fail:
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+ *error = FT_Err_Invalid_Stream_Operation;
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+ FT_ERROR(( "FT_Stream_ReadShortLE:"
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+ " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
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+ stream->pos, stream->size ));
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+
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+ return 0;
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+ }
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+
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+
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FT_BASE_DEF( FT_ULong )
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FT_Stream_ReadUOffset( FT_Stream stream,
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FT_Error* error )
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@@ -624,6 +810,53 @@
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}
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+ FT_BASE_DEF( FT_Long )
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+ FT_Stream_ReadOffset( FT_Stream stream,
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+ FT_Error* error )
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+ {
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+ FT_Byte reads[3];
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+ FT_Byte* p = 0;
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+ FT_Long result = 0;
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+
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+
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+ FT_ASSERT( stream );
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+
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+ *error = FT_Err_Ok;
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+
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+ if ( stream->pos + 2 < stream->size )
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+ {
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+ if ( stream->read )
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+ {
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+ if (stream->read( stream, stream->pos, reads, 3L ) != 3L )
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+ goto Fail;
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+
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+ p = reads;
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+ }
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+ else
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+ {
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+ p = stream->base + stream->pos;
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+ }
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+
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+ if ( p )
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+ result = FT_NEXT_OFF3( p );
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+ }
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+ else
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+ goto Fail;
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+
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+ stream->pos += 3;
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+
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+ return result;
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+
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+ Fail:
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+ *error = FT_Err_Invalid_Stream_Operation;
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+ FT_ERROR(( "FT_Stream_ReadOffset:"
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+ " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
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+ stream->pos, stream->size ));
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+
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+ return 0;
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+ }
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+
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+
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FT_BASE_DEF( FT_ULong )
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FT_Stream_ReadULong( FT_Stream stream,
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FT_Error* error )
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@@ -671,6 +904,53 @@
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}
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+ FT_BASE_DEF( FT_Long )
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+ FT_Stream_ReadLong( FT_Stream stream,
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+ FT_Error* error )
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+ {
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+ FT_Byte reads[4];
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+ FT_Byte* p = 0;
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+ FT_Long result = 0;
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+
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+
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+ FT_ASSERT( stream );
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+
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+ *error = FT_Err_Ok;
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+
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+ if ( stream->pos + 3 < stream->size )
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+ {
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+ if ( stream->read )
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+ {
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+ if ( stream->read( stream, stream->pos, reads, 4L ) != 4L )
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+ goto Fail;
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+
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+ p = reads;
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+ }
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+ else
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+ {
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+ p = stream->base + stream->pos;
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+ }
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+
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+ if ( p )
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+ result = FT_NEXT_LONG( p );
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+ }
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+ else
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+ goto Fail;
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+
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+ stream->pos += 4;
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+
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+ return result;
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+
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+ Fail:
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+ *error = FT_Err_Invalid_Stream_Operation;
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+ FT_ERROR(( "FT_Stream_ReadLong:"
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+ " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
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+ stream->pos, stream->size ));
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+
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+ return 0;
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+ }
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+
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+
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FT_BASE_DEF( FT_ULong )
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FT_Stream_ReadULongLE( FT_Stream stream,
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FT_Error* error )
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@@ -714,6 +994,53 @@
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" invalid i/o; pos = 0x%lx, size = 0x%lx\n",
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stream->pos, stream->size ));
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+ return 0;
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+ }
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+
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+
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+ FT_BASE_DEF( FT_Long )
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+ FT_Stream_ReadLongLE( FT_Stream stream,
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+ FT_Error* error )
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+ {
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+ FT_Byte reads[4];
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+ FT_Byte* p = 0;
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+ FT_Long result = 0;
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+
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+
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+ FT_ASSERT( stream );
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+
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+ *error = FT_Err_Ok;
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+
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+ if ( stream->pos + 3 < stream->size )
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+ {
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+ if ( stream->read )
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+ {
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+ if ( stream->read( stream, stream->pos, reads, 4L ) != 4L )
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+ goto Fail;
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+
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+ p = reads;
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+ }
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+ else
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+ {
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+ p = stream->base + stream->pos;
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+ }
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+
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+ if ( p )
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+ result = FT_NEXT_LONG_LE( p );
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+ }
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+ else
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+ goto Fail;
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+
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+ stream->pos += 4;
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+
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+ return result;
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+
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+ Fail:
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+ *error = FT_Err_Invalid_Stream_Operation;
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+ FT_ERROR(( "FT_Stream_ReadLongLE:"
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+ " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
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+ stream->pos, stream->size ));
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+
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return 0;
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}
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