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Paul Eggert authored
(read_char, menu_bar_items, tool_bar_items, read_char_x_menu_prompt) (read_char_minibuf_menu_width, read_char_minibuf_menu_prompt) (follow_key, read_key_sequence): Use ptrdiff_t, not int, to count maps. (read_char_minibuf_menu_prompt): Check for overflow in size calculations. Don't update size until allocation succeeds. Redo calculations to avoid overflow. * keyboard.h: Change prototypes to match the above.
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