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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/12816 ) Change subject: bitvec: Add bitvec_tailroom_bits() function ...................................................................... bitvec: Add bitvec_tailroom_bits() function This is similar to msgb_tailroom(): It returns the amount of space left at the end of the bit vector (compared to the current cursor). The function returns the number of bits left in the bitvec. Change-Id: I8980a6b6d1973b67a2d9ad411c878d956fb428d1 --- M include/osmocom/core/bitvec.h M tests/bitvec/bitvec_test.c 2 files changed, 25 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified Harald Welte: Looks good to me, approved diff --git a/include/osmocom/core/bitvec.h b/include/osmocom/core/bitvec.h index da2d4e4..bd10709 100644 --- a/include/osmocom/core/bitvec.h +++ b/include/osmocom/core/bitvec.h @@ -93,4 +93,10 @@ return bytes; } +/*! Return the tailroom in number of unused bits remaining in the bit-vector */ +static inline unsigned int bitvec_tailroom_bits(const struct bitvec *bv) +{ + return bv->data_len*8 - bv->cur_bit; +} + /*! @} */ diff --git a/tests/bitvec/bitvec_test.c b/tests/bitvec/bitvec_test.c index c8795db..fbf5c5d 100644 --- a/tests/bitvec/bitvec_test.c +++ b/tests/bitvec/bitvec_test.c @@ -204,6 +204,24 @@ } } +static void test_tailroom() +{ + struct bitvec b; + uint8_t d[32]; + unsigned int i; + + b.data = d; + b.data_len = sizeof(d); + bitvec_zero(&b); + + OSMO_ASSERT(bitvec_tailroom_bits(&b) == sizeof(d)*8); + + for (i = 0; i < 8*sizeof(d); i++) { + bitvec_set_bit(&b, 1); + OSMO_ASSERT(bitvec_tailroom_bits(&b) == sizeof(d)*8-(i+1)); + } +} + int main(int argc, char **argv) { struct bitvec bv; @@ -311,6 +329,7 @@ printf("\nbitvec bytes used.\n"); test_used_bytes(); + test_tailroom(); printf("\nbitvec ok.\n"); return 0; -- To view, visit https://gerrit.osmocom.org/12816 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: I8980a6b6d1973b67a2d9ad411c878d956fb428d1 Gerrit-Change-Number: 12816 Gerrit-PatchSet: 3 Gerrit-Owner: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder (1000002) Gerrit-CC: Max <msuraev at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190205/55b6dd3c/attachment.htm>