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Simplify FontTableMethods::with_buffer
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commit
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4 changed files with 9 additions and 11 deletions
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@ -529,15 +529,13 @@ extern fn font_table_func(_: *mut hb_face_t,
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// this raw pointer back to `destroy_blob_func` which will deallocate the Box.
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let font_table_ptr = Box::into_raw(font_table);
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let mut blob: *mut hb_blob_t = ptr::null_mut();
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(*font_table_ptr).with_buffer(|buf: *const u8, len: usize| {
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// HarfBuzz calls `destroy_blob_func` when the buffer is no longer needed.
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blob = hb_blob_create(buf as *const c_char,
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len as c_uint,
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let buf = (*font_table_ptr).buffer();
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// HarfBuzz calls `destroy_blob_func` when the buffer is no longer needed.
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let blob = hb_blob_create(buf.as_ptr() as *const c_char,
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buf.len() as c_uint,
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HB_MEMORY_MODE_READONLY,
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font_table_ptr as *mut c_void,
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Some(destroy_blob_func));
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});
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assert!(!blob.is_null());
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blob
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