Portability fix: Adding local partial copy of libosmocore (TODO: minimize it)
diff --git a/lib/decoding/osmocom/core/bitvec.h b/lib/decoding/osmocom/core/bitvec.h
new file mode 100644
index 0000000..84db9a5
--- /dev/null
+++ b/lib/decoding/osmocom/core/bitvec.h
@@ -0,0 +1,87 @@
+/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2012 Ivan Klyuchnikov
+ * (C) 2015 sysmocom - s.f.m.c. GmbH
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#pragma once
+
+/*! \defgroup bitvec Bit vectors
+ *  @{
+ * \file bitvec.h */
+
+#include <stdint.h>
+//#include <osmocom/core/talloc.h>
+#include <osmocom/core/defs.h>
+#include <stdbool.h>
+
+/*! A single GSM bit
+ *
+ * In GSM mac blocks, every bit can be 0 or 1, or L or H.  L/H are
+ * defined relative to the 0x2b padding pattern */
+enum bit_value {
+	ZERO	= 0, 	/*!< A zero (0) bit */
+	ONE	= 1,	/*!< A one (1) bit */
+	L	= 2,	/*!< A CSN.1 "L" bit */
+	H	= 3,	/*!< A CSN.1 "H" bit */
+};
+
+/*! structure describing a bit vector */
+struct bitvec {
+	unsigned int cur_bit;	/*!< cursor to the next unused bit */
+	unsigned int data_len;	/*!< length of data array in bytes */
+	uint8_t *data;		/*!< pointer to data array */
+};
+
+enum bit_value bitvec_get_bit_pos(const struct bitvec *bv, unsigned int bitnr);
+enum bit_value bitvec_get_bit_pos_high(const struct bitvec *bv,
+					unsigned int bitnr);
+unsigned int bitvec_get_nth_set_bit(const struct bitvec *bv, unsigned int n);
+int bitvec_set_bit_pos(struct bitvec *bv, unsigned int bitnum,
+			enum bit_value bit);
+int bitvec_set_bit(struct bitvec *bv, enum bit_value bit);
+int bitvec_get_bit_high(struct bitvec *bv);
+int bitvec_set_bits(struct bitvec *bv, const enum bit_value *bits, unsigned int count);
+int bitvec_set_u64(struct bitvec *bv, uint64_t v, uint8_t num_bits, bool use_lh);
+int bitvec_set_uint(struct bitvec *bv, unsigned int in, unsigned int count);
+int bitvec_get_uint(struct bitvec *bv, unsigned int num_bits);
+int bitvec_find_bit_pos(const struct bitvec *bv, unsigned int n, enum bit_value val);
+int bitvec_spare_padding(struct bitvec *bv, unsigned int up_to_bit);
+int bitvec_get_bytes(struct bitvec *bv, uint8_t *bytes, unsigned int count);
+int bitvec_set_bytes(struct bitvec *bv, const uint8_t *bytes, unsigned int count);
+/*struct bitvec *bitvec_alloc(unsigned int size, TALLOC_CTX *bvctx);*/
+/*void bitvec_free(struct bitvec *bv);*/
+int bitvec_unhex(struct bitvec *bv, const char *src);
+unsigned int bitvec_pack(const struct bitvec *bv, uint8_t *buffer);
+unsigned int bitvec_unpack(struct bitvec *bv, const uint8_t *buffer);
+uint64_t bitvec_read_field(struct bitvec *bv, unsigned int *read_index, unsigned int len);
+int bitvec_write_field(struct bitvec *bv, unsigned int *write_index, uint64_t val, unsigned int len);
+int bitvec_fill(struct bitvec *bv, unsigned int num_bits, enum bit_value fill);
+char bit_value_to_char(enum bit_value v);
+void bitvec_to_string_r(const struct bitvec *bv, char *str);
+void bitvec_zero(struct bitvec *bv);
+unsigned bitvec_rl(const struct bitvec *bv, bool b);
+unsigned bitvec_rl_curbit(struct bitvec *bv, bool b, int max_bits);
+void bitvec_shiftl(struct bitvec *bv, unsigned int n);
+int16_t bitvec_get_int16_msb(const struct bitvec *bv, unsigned int num_bits);
+unsigned int bitvec_add_array(struct bitvec *bv, const uint32_t *array,
+			      unsigned int array_len, bool dry_run,
+			      unsigned int num_bits);
+
+/*! @} */