Fix recv_uninit to handle the TRUNC flag.
#1159
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With the `TRUNC` flag, `recv` returns the untruncated length, which may be longer than the provided buffer. Fix `recv_uninit` and `recvfrom_uninit` to handle this case. This mean that `recv_uninit` and `recvfrom_uninit` are unable to return the full untruncated length returned by `recv` with the `TRUNC` flag, however it appears that fixing that may require API changes. Fixes #1153.
sunfishcode
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Sep 11, 2024
* Fix `recv_uninit` to handle the `TRUNC` flag. With the `TRUNC` flag, `recv` returns the untruncated length, which may be longer than the provided buffer. Fix `recv_uninit` and `recvfrom_uninit` to handle this case. This mean that `recv_uninit` and `recvfrom_uninit` are unable to return the full untruncated length returned by `recv` with the `TRUNC` flag, however it appears that fixing that may require API changes. Fixes #1153. * Add comments mentioning alternatives.
sunfishcode
added a commit
that referenced
this pull request
Sep 11, 2024
* Fix `recv_uninit` to handle the `TRUNC` flag. With the `TRUNC` flag, `recv` returns the untruncated length, which may be longer than the provided buffer. Fix `recv_uninit` and `recvfrom_uninit` to handle this case. This mean that `recv_uninit` and `recvfrom_uninit` are unable to return the full untruncated length returned by `recv` with the `TRUNC` flag, however it appears that fixing that may require API changes. Fixes #1153. * Add comments mentioning alternatives.
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With the
TRUNCflag,recvreturns the untruncated length, which may be longer than the provided buffer. Fixrecv_uninitandrecvfrom_uninitto handle this case.This mean that
recv_uninitandrecvfrom_uninitare unable to return the full untruncated length returned byrecvwith theTRUNCflag, however it appears that fixing that may require API changes.Fixes #1153.