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-rw-r--r--src/bitvector.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/bitvector.cpp b/src/bitvector.cpp
index 43feebc5..10284073 100644
--- a/src/bitvector.cpp
+++ b/src/bitvector.cpp
@@ -117,3 +117,21 @@ int bitvec_write_field(struct bitvec *bv, unsigned& write_index, uint64_t val, u
write_index += len;
return 0;
}
+
+int bitvec_write_field_lh(struct bitvec *bv, unsigned& write_index,
+ uint64_t val, unsigned len)
+{
+ unsigned int i;
+ int rc;
+ bv->cur_bit = write_index;
+ for (i = 0; i < len; i++) {
+ bit_value bit = L;
+ if (val & ((uint64_t)1 << (len - i - 1)))
+ bit = H;
+ rc = bitvec_set_bit(bv, bit);
+ if (rc)
+ return rc;
+ }
+ write_index += len;
+ return 0;
+}