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ISO C++ reserves names with double underscores in them
Closes #512
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Defined in build.h, all equal to BOTAN_DLL so ties into existing
system for exporting symbols.
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The parameter comments were misleading because they did not take
into account that input_length must be rounded up to a multiple of
3 and 4 for encode and decode respectively. Two new functions were
added to calculate the correct maximum output length.
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Renames a couple of functions for somewhat better name consistency,
eg make_u32bit becomes make_uint32. The old typedefs remain for now
since probably lots of application code uses them.
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As the alternatives are unfortunate for applications trying to catch
all library errors, and it seems deriving from std::runtime_error
causes problems with MSVC DLLs (GH #340)
Effectively reverts 2837e915d82e43
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1. src/lib/codec/base64/base64.cpp: :
(round_up<size_t>(input_length, 3) / 3) * 4;
2. src/lib/codec/base64/base64.cpp: :
(round_up<size_t>(input_length, 4) * 3) / 4;
3. src/lib/filters/transform_filter.cpp: return round_up(target_size,
update_granularity);
4. src/lib/math/bigint/bigint.cpp:
m_reg.resize(round_up<size_t>(size, 8));
5. src/lib/math/bigint/bigint.cpp:
m_reg.resize(round_up<size_t>((length / WORD_BYTES) + 1, 8));
6. src/lib/math/numbertheory/mp_numth.cpp: BigInt z(BigInt::Positive,
round_up<size_t>(2*x_sw, 16));
7. src/lib/modes/cbc/cbc.cpp: return round_up(input_length,
cipher().block_size());
8. src/lib/modes/ecb/ecb.cpp: return round_up(input_length,
cipher().block_size());
9. src/lib/modes/xts/xts.cpp: return round_up(input_length,
cipher().block_size());
10. src/lib/pbkdf/pbkdf2/pbkdf2.cpp: const size_t blocks_needed =
round_up(out_len, prf_sz) / prf_sz;
11. src/lib/tls/tls_record.cpp: const size_t buf_size = round_up(
12. src/lib/utils/rounding.h:inline T round_up(T n, T align_to)
1. Reason for change
2. Reason for change
3. first argument cannot be 0 (`target_size = 1024`)
4. Is a bug in the current implementation iff `size = 0`
5. first argument cannot be 0
6. round_up should return 0 if `x_sw = 0`
7. ?
8. ?
9. ?
10. first argument cannot be 0 (`if(out_len == 0) return 0;`)
11. first argument is unlikely to be 0 (`iv_size + msg_length + mac_size
+ (block_size ? 1 : 0)`)
12. Implementation
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Update license header line to specify the terms and refer to the file,
neither of which it included before.
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