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0ae3271814
Fix for Savannah bug #30059. * src/cache/ftccmap.c (FTC_CMapCache_Lookup): Replace `16' the minimum character code passed by a legacy rogue client by... * include/freetype/config/ftoption.h (FT_MAX_CHARMAP_CACHEABLE): This. It is undefined when FT_CONFIG_OPTION_OLD_INTERNALS is undefined (thus the rogue client compatibility is not required). * src/cff/cffobjs.c (cff_face_init): Abort the automatic selection or synthesis of Unicode cmap subtable when the charmap index exceeds FT_MAX_CHARMAP_CACHEABLE. * src/sfnt/ttcmap.c (tt_face_build_cmaps): Issue error message when the charmap index exceeds FT_MAX_CHARMAP_CACHEABLE. * src/base/ftobjs.c (find_unicode_charmap): When Unicode charmap is found after FT_MAX_CHARMAP_CACHEABLE, ignore it and search earlier one. (find_variant_selector_charmap): When UVS charmap is found after FT_MAX_CHARMAP_CACHEABLE, ignore it and search earlier one. (FT_Select_Charmap): When a charmap matching with requested encoding but after FT_MAX_CHARMAP_CACHEABLE, ignore and search earlier one. (FT_Set_Charmap): When a charmap matching with requested charmap but after FT_MAX_CHARMAP_CACHEABLE, ignore and search earlier one. (FT_Get_Charmap_Index): When a requested charmap is found after FT_MAX_CHARMAP_CACHEABLE, return the inverted charmap index.