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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/12787 ) Change subject: bitvec: Add bitvec_bytes_used() function ...................................................................... bitvec: Add bitvec_bytes_used() function This new bitvec API function returns the number of bytes used in a given bit-vector. Change-Id: Id4bd7f7543f5b0f4f6f876e283bd065039c37646 --- M include/osmocom/core/bitvec.h M tests/bitvec/bitvec_test.c M tests/bitvec/bitvec_test.ok 3 files changed, 37 insertions(+), 0 deletions(-) Approvals: Harald Welte: Looks good to me, approved Max: Looks good to me, but someone else must approve Jenkins Builder: Verified diff --git a/include/osmocom/core/bitvec.h b/include/osmocom/core/bitvec.h index c9bab39..da2d4e4 100644 --- a/include/osmocom/core/bitvec.h +++ b/include/osmocom/core/bitvec.h @@ -84,4 +84,13 @@ unsigned int array_len, bool dry_run, unsigned int num_bits); +/*! Return the number of bytes used within the bit vector */ +static inline unsigned int bitvec_used_bytes(const struct bitvec *bv) +{ + unsigned int bytes = bv->cur_bit/8; + if (bv->cur_bit%8) + bytes++; + return bytes; +} + /*! @} */ diff --git a/tests/bitvec/bitvec_test.c b/tests/bitvec/bitvec_test.c index d0bc30c..c8795db 100644 --- a/tests/bitvec/bitvec_test.c +++ b/tests/bitvec/bitvec_test.c @@ -181,6 +181,29 @@ test_array_item(17, &b, n, array, n * 3); } +static void test_used_bytes() +{ + struct bitvec b; + uint8_t d[32]; + unsigned int i; + + b.data = d; + b.data_len = sizeof(d); + bitvec_zero(&b); + + OSMO_ASSERT(bitvec_used_bytes(&b) == 0); + + for (i = 0; i < 8; i++) { + bitvec_set_bit(&b, 1); + OSMO_ASSERT(bitvec_used_bytes(&b) == 1); + } + + for (i = 8; i < 16; i++) { + bitvec_set_bit(&b, 1); + OSMO_ASSERT(bitvec_used_bytes(&b) == 2); + } +} + int main(int argc, char **argv) { struct bitvec bv; @@ -286,6 +309,9 @@ bitvec_zero(&bv); test_bitvec_rl_curbit(&bv, 1, 64, 0); + printf("\nbitvec bytes used.\n"); + test_used_bytes(); + printf("\nbitvec ok.\n"); return 0; } diff --git a/tests/bitvec/bitvec_test.ok b/tests/bitvec/bitvec_test.ok index 6281973..a48912d 100644 --- a/tests/bitvec/bitvec_test.ok +++ b/tests/bitvec/bitvec_test.ok @@ -168,4 +168,6 @@ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ ........ bitvec_runlength.... +bitvec bytes used. + bitvec ok. -- To view, visit https://gerrit.osmocom.org/12787 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: Id4bd7f7543f5b0f4f6f876e283bd065039c37646 Gerrit-Change-Number: 12787 Gerrit-PatchSet: 2 Gerrit-Owner: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder (1000002) Gerrit-Reviewer: Max <msuraev at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190205/dd701d3c/attachment.htm>