didn't know about byte array alignment trick, thanks :) On Sun, Nov 27, 2016 at 6:16 PM, Richard Wordingham < [email protected]> wrote:
> On Sat, 26 Nov 2016 23:52:40 +0330 > Ebrahim Byagowi <[email protected]> wrote: > > > Hey guys, just like to know how harfbuzz handles memory alignment > > without having even one #pragma pack around? Does `IntType` > > <https://github.com/behdad/harfbuzz/blob/02bfd965af588640250c47f344ad30 > 96c8a373e0/src/hb-open-type-private.hh#L626> > > handles padding somehow or harfbuzz copies its own structs? Thanks. > > If you look at the specialisations of struct BEInt immediately above > in the same file, you'll see that the values are handled as arrays of > unsigned bytes (type uint8_t). Endianity and misalignment are handled > together. > > One OpenType table that may contain misaligned data is the name table > - nothing forces UTF-16 characters to be aligned on 2-byte boundaries, > and I've seen fonts where it isn't so aligned. > > Richard. > _______________________________________________ > HarfBuzz mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/harfbuzz >
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