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Diffstat (limited to 'src/bitvector.cpp')
-rw-r--r-- | src/bitvector.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/bitvector.cpp b/src/bitvector.cpp deleted file mode 100644 index dcb3baf5..00000000 --- a/src/bitvector.cpp +++ /dev/null @@ -1,120 +0,0 @@ -/* bitvector.cpp - * - * Copyright (C) 2012 Ivan Klyuchnikov - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/*! \addtogroup bitvector - * @{ - */ - -/*! \file bitvector.cpp - * \brief Additional functions for Osmocom bit vector abstraction. - */ - -#include <bitvector.h> -extern "C" { -#include <osmocom/core/talloc.h> -} - -void *bv_tall_ctx; - -struct bitvec *bitvec_alloc(unsigned size) -{ - struct bitvec *bv = talloc_zero(bv_tall_ctx, struct bitvec); - bv->data_len = size; - bv->cur_bit = 0; - bv->data = talloc_zero_array(bv_tall_ctx, uint8_t, size); - return bv; -} - -void bitvec_free(struct bitvec *bv) -{ - talloc_free(bv->data); - talloc_free(bv); -} - -unsigned int bitvec_pack(struct bitvec *bv, uint8_t *buffer) -{ - unsigned int i = 0; - for (i = 0; i < bv->data_len; i++) - { - buffer[i] = bv->data[i]; - } - return i; -} - -unsigned int bitvec_unpack(struct bitvec *bv, uint8_t *buffer) -{ - unsigned int i = 0; - for (i = 0; i < bv->data_len; i++) - { - bv->data[i] = buffer[i]; - } - return i; -} - - -int bitvec_unhex(struct bitvec *bv, const char* src) -{ - unsigned val; - unsigned write_index = 0; - unsigned digits = bv->data_len*2; - for (unsigned i=0; i<digits; i++) { - if (sscanf(src+i, "%1x", &val) < 1) { - return 1; - } - bitvec_write_field(bv, write_index,val, 4); - } - return 0; -} - -uint64_t bitvec_read_field(struct bitvec *bv, unsigned& read_index, unsigned len) -{ - unsigned int i; - uint64_t ui = 0; - bv->cur_bit = read_index; - - for (i = 0; i < len; i++) { - int bit = bitvec_get_bit_pos((const struct bitvec *)bv, bv->cur_bit); - if (bit < 0) - return bit; - if (bit) - ui |= ((uint64_t)1 << (len - i - 1)); - bv->cur_bit++; - } - read_index += len; - return ui; -} - - -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; -} |