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