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Jim Meyering
b6baea64d1
n_bytes_to_skip, skip, format_address_none, format_address_std, format_address_paren, format_address_label, write_block, parse_old_offset, dump, dump_strings, main): Use uintmax_t, not off_t, for file addresses, so that we can handle multiple large files even if the sum of their sizes exceeds off_t limits. (print_s_char, print_char, print_s_short, print_short, print_int, print_long, print_long_long, print_float, print_double, print_long_double, dump_hexl_mode_trailer, print_named_ascii, print_ascii, decode_one_format): Use size_t, not off_t, for in-memory byte counts. (end_offset): New var. (dump, dump_strings): Use it. (main): Set it, but check for overflow while doing so. (skip): Report an error if an in-range lseek fails on a regular file, as something's seriously wrong. Check for negative regular file sizes (possible with some broken NFS implementations). (parse_old_offset): Now all offsets are valid, so return a success boolean and take a pointer to an offset as an argument. All callers changed. (dump_strings): Check for overflow when computing end_offset - string_min. (main): Remove OFF_T_MAX checks that are no longer needed. Don't bother assigning through temporary when there's no size limit to check.