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Unfortunately "-std=c99" is not sufficient to make gcc ignore code that
uses constructs of earlier C standards, which were abandoned in C99.
See https://lwn.net/ml/fedora-devel/Y1kvF35WozzGBpc8@redhat.com/ for
some related discussion.
Change-Id: I79c51b78d1b055361f9ef5434361847353791d0d
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See Id8d997c9d5e655ff1842ec69eab6c073875c6330
Related: CID#275417
Related: SYS#5599
Change-Id: I63d52a4f5dba32d3a3887dd9c5e42e1695fb2aa3
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See Id8d997c9d5e655ff1842ec69eab6c073875c6330
Related: CID#275417
Related: SYS#5599
Change-Id: I841da89112ccf70fcd0f60eb902445fb1712eb48
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Introduce a maximum bound of memory access to the osmo_gtlv API.
Properly pass const-ness within the gtlv implementation. This patch adds
membof_const(). The following patch will add the non-const membof()
equivalent, which is not needed in this patch, yet.
Coverity CID#275417 drew my attention to the fact that the gtlv decoding
and encoding does not actually guard against access past the end of the
decoded struct.
We have not yet officially released libosmo-gtlv; also, osmo-upf and
osmo-hnbgw so far only use the libosmo-pfcp API, which "hides" the gtlv
API. Hence just change the API without a backwards compat shim.
Related: CID#275417
Related: SYS#5599
Change-Id: Id8d997c9d5e655ff1842ec69eab6c073875c6330
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During code review, it was indicated that some TLV protocols that we
will likely deal with in the near future also employ an I, and instance
value of a tag. Add TLIV support.
A usage example for a manually implemented TLIV structure is found in
tests/libosmo-gtlv/gtlv_test.c.
A usage example for a generated TLIV protocol is found in
tests/libosmo-gtlv/test_tliv/.
Related: SYS#5599
Change-Id: I0a076e54dfba6038cc779cb7c8f3967d212226aa
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Defining a protocol of message types with lists of IEs bears a lot of
repetitive, copy-paste-error-prone writing out of data structures.
Add a third layer to libosmo-gtlv, which allows helpful code generation.
By non-repetitive data structures that briefly describe the protocol's
messages and IEs, generate possibly repetitive IE list arrays and
decoded-struct definitions automatically, avoiding grunt work errors.
I tried C macros for this at first, but it became too convoluted.
Generating C code that can be read and grepped makes things easier.
A usage example is found in tests/libosmo-gtlv/test_gtlv_gen/.
Related: SYS#5599
Change-Id: Ifb3ea54d2797ce060b95834aa117725ec2d6c4cf
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