Signedness revisions.
This eliminates explicit casting by switching to unsigned fields.
The revisions mostly impact the handling of CID fonts.
* include/freetype/fttypes.h (FT_Data): Change to unsigned `length`.
* include/freetype/t1tables.h (CID_FaceDictRec): Ditto for `sd_bytes`.
(CID_FaceInfoRec): Ditto for `gd_bytes` and `gd_bytes`.
* include/freetype/internal/tttypes.h (TT_LoaderRec): Ditto for
`byte_len`.
* src/cid/cidgload.c (cid_load_glyph): Updated.
* src/cid/cidload.h (cid_get_offset): Update argument.
* src/cid/cidload.c (cid_get_offset, cid_read_subrs, cid_face_open):
Updated.
* src/cff/cffgload.c (cff_get_glyph_data, cff_free_glyph_data):
Updated.
* src/psaux/psft.c (cf2_getT1SeacComponent): Updated.
* src/truetype/ttgload.c (TT_Process_Composite_Glyph,
load_truetype_glyph): Updated.
10 files changed
