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This fixes a problem with cmock, and additionally ensures that pb_release()
doesn't accidentally end up as no-op if user code is compiled with wrong flags.
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Previously it wasn't quite clear that bufsize should be the actual
length of the message, not full buffer size.
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This is easier to use than the old method of separate conversion functions.
More importantly, it should allow running the same tests on AVR target.
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binary bitwise expressions.
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Previously nanopb didn't enforce that decoded bool fields
had valid true/false values. This could lead to undefined
behavior in user code.
This has potential security implications when
1) message contains bool field (has_ fields are safe)
and
2) user code uses ternary operator dependent on the field value,
such as: int value = msg.my_bool ? 1234 : 0
and
3) the value returned from ternary operator affects a memory access,
such as: data_array[value] = 9999
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This should simplify specifying combinations, so that we don't
need every variant of pb_decode_noinit_delimited() etc.
Also disables zero-terminated decoding in pb_decode (issue #278).
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Now field information is stored as a variable-length uint32_t array.
This reduces the minimum size in most cases:
old new
basic field: 10 bytes 4 bytes
repeated field: 10 bytes 8 bytes
field with 12bit tag/size: 16 bytes 8 bytes
field with 16bit tag/size: 16 bytes 16 bytes
field with 32bit tag/size: 28 bytes 16 bytes
Further, now the descriptor size can be increased per-field and per-message,
instead of previous global PB_FIELD_16BIT and PB_FIELD_32BIT.
PB_FIELD_32BIT still affects the pb_size_t type, which is 16-bit by default.
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I added API function to receive delimited data without initizializing the target structure. This is useful for partial updates.
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Nanopb has traditionally supported messages to be terminated with a zero tag.
However, this is not really standard protobuf behaviour, so it makes sense
to separate it into a different function. Because it is a breaking change,
it will happen in 0.4.0 release. But I add the functions here early so that
new code can start using them now.
Also changed the network_server example to use en/decode_delimited(), which
is the more common protobuf method of simple message framing.
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This supports platforms where uint8_t does not exist.
If you are using a custom pb_syshdr.h, this may require adding
definitions for uint_least8_t etc.
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This commit changes the prototype for pb_istream_from_buffer from:
pb_istream_t pb_istream_from_buffer(uint8_t *buf, size_t bufsize);
to
pb_istream_t pb_istream_from_buffer(const uint8_t *buf, size_t bufsize);
This allows pb_istream_from_buffer users to point to const buffers
without having to inspect code (to ensure practical const-ness) and then be
forced to manually cast away const.
In order to not break compatibility with existing programs (by
introducing a const/non-const union in the pb_istream_t state) we simply
cast away the const in pb_istream_from_buffer and re-apply it when
possible in the callbacks. Unfortunately we lose any compiler help in
the callbacks to ensure we are treating the buffer as const but manual
inspection is easy enough.
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Update issue 106
Status: FixedInGit
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These have been deprecated since nanopb-0.1.6 (some since 0.1.3).
Equivalent functions with better interface are available in the API.
Update issue 91
Status: FixedInGit
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Otherwise Microsoft Visual C++ threats them as C++ classes instead of plain
structs, forbidding use in C linkage functions.
Thanks to Markus Schwarzenberg for the patch.
Update issue 84
Status: Started
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Update issue 74
Status: FixedInGit
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This allows slight optimizations if only memory buffer support
(as opposed to stream callbacks) is wanted. On ARM difference
is -12% execution time, -4% code size when enabled.
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Update issue 35
Status: FixedInGit
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Rationale: it's easy to implement the callback wrong. Doing so introduces
io errors when unknown fields are present in the input. If code is not
tested with unknown fields, these bugs can remain hidden for long time.
Added a special case for the memory buffer stream, where it gives a small
speed benefit.
Added testcase for skipping fields with test_decode2 implementation.
Update issue 37
Status: FixedInGit
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This avoids double initialization when decoding nested submessages.
Fixes an issue with submessage arrays that was present in previous
version of this patch.
Update issue 28
Status: FixedInGit
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The patch breaks default values inside submessage arrays (I think).
Have to add test cases and check back.
This reverts commit f1d7640fe1be0f150f604c72108ea516222c2505.
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This avoids double initialization when decoding nested submessages.
Update issue 28
Status: FixedInGit
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Update issue 7
Status: Started
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This reverts commit dc2da0edc568b29361479fb7405c96b1a13442cf.
Add pb_close_string_substream() for copying back the state.
This makes adding error messages easier in the future, as also
them need to be propagated back from the substream.
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This makes the field decoding functions more intuitive to use.
The old interface is still present if you specify NANOPB_INTERNALS.
Update issue 2
Status: FixedInGit
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This makes it unnecessary to copy back the state, and also relaxes
the requirements on callbacks (bytes_left will always be valid).
It decreases code size by a few bytes, but may be just slightly slower.
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pb_decode_tag and pb_skip_field allow manually iterating the fields
in a message.
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Most importantly, callback fields in submessages were being overwritten with garbage, causing segfaults.
Additionally, converted PB_LTYPE_FIXED to PB_LTYPE_FIXED32 and PB_LTYPE_FIXED64. This makes the interface
a bit easier to use, and in addition runs faster.
git-svn-id: https://svn.kapsi.fi/jpa/nanopb@975 e3a754e5-d11d-0410-8d38-ebb782a927b9
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git-svn-id: https://svn.kapsi.fi/jpa/nanopb@955 e3a754e5-d11d-0410-8d38-ebb782a927b9
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git-svn-id: https://svn.kapsi.fi/jpa/nanopb@951 e3a754e5-d11d-0410-8d38-ebb782a927b9
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e3a754e5-d11d-0410-8d38-ebb782a927b9
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git-svn-id: https://svn.kapsi.fi/jpa/nanopb@944 e3a754e5-d11d-0410-8d38-ebb782a927b9
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git-svn-id: https://svn.kapsi.fi/jpa/nanopb@943 e3a754e5-d11d-0410-8d38-ebb782a927b9
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git-svn-id: https://svn.kapsi.fi/jpa/nanopb@942 e3a754e5-d11d-0410-8d38-ebb782a927b9
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