44#include <osmocom/core/talloc.h>
93void bitvec_shiftl(
struct bitvec *bv,
unsigned int n);
96 unsigned int array_len,
bool dry_run,
97 unsigned int num_bits);
int16_t bitvec_get_int16_msb(const struct bitvec *bv, unsigned int num_bits)
get multiple bits (num_bits) from beginning of vector (MSB side)
Definition bitvec.c:234
unsigned int bitvec_pack(const struct bitvec *bv, uint8_t *buffer)
Export a bit vector to a buffer.
Definition bitvec.c:412
char bit_value_to_char(enum bit_value v)
convert enum to corresponding character
Definition bitvec.c:505
uint64_t bitvec_read_field(struct bitvec *bv, unsigned int *read_index, unsigned int len)
read part of the vector
Definition bitvec.c:461
int bitvec_get_bytes(struct bitvec *bv, uint8_t *bytes, unsigned int count)
get multiple bytes from current pos Assumes MSB first encoding.
Definition bitvec.c:310
unsigned int bitvec_get_nth_set_bit(const struct bitvec *bv, unsigned int n)
get the Nth set bit inside the bit vector
Definition bitvec.c:125
int bitvec_set_bit_pos(struct bitvec *bv, unsigned int bitnum, enum bit_value bit)
set a bit at given position in a bit vector
Definition bitvec.c:146
int bitvec_fill(struct bitvec *bv, unsigned int num_bits, enum bit_value fill)
fill num_bits with \fill starting from the current position
Definition bitvec.c:267
void bitvec_to_string_r(const struct bitvec *bv, char *str)
prints bit vector to provided string It's caller's responsibility to ensure that we won't shoot him i...
Definition bitvec.c:520
int bitvec_spare_padding(struct bitvec *bv, unsigned int up_to_bit)
pad all remaining bits up to num_bits
Definition bitvec.c:279
int bitvec_find_bit_pos(const struct bitvec *bv, unsigned int n, enum bit_value val)
find first bit set in bit vector
Definition bitvec.c:290
int bitvec_set_bits(struct bitvec *bv, const enum bit_value *bits, unsigned int count)
set multiple bits (based on array of bitvals) at current pos
Definition bitvec.c:201
enum bit_value bitvec_get_bit_pos_high(const struct bitvec *bv, unsigned int bitnr)
check if the bit is L or H for a given position inside a bitvec
Definition bitvec.c:102
unsigned bitvec_rl_curbit(struct bitvec *bv, bool b, int max_bits)
Return number (bits) of uninterrupted bit run in vector starting from the current bit.
Definition bitvec.c:586
int bitvec_get_bit_high(struct bitvec *bv)
get the next bit (low/high) inside a bitvec
Definition bitvec.c:185
bit_value
A single GSM bit.
Definition bitvec.h:51
int bitvec_set_bit(struct bitvec *bv, enum bit_value bit)
set the next bit inside a bitvec
Definition bitvec.c:172
unsigned bitvec_rl(const struct bitvec *bv, bool b)
Return number (bits) of uninterrupted bit run in vector starting from the MSB.
Definition bitvec.c:567
enum bit_value bitvec_get_bit_pos(const struct bitvec *bv, unsigned int bitnr)
check if the bit is 0 or 1 for a given position inside a bitvec
Definition bitvec.c:80
void bitvec_zero(struct bitvec *bv)
force bit vector to all 0 and current bit to the beginnig of the vector
Definition bitvec.c:556
int bitvec_write_field(struct bitvec *bv, unsigned int *write_index, uint64_t val, unsigned int len)
write into the vector
Definition bitvec.c:485
int bitvec_get_uint(struct bitvec *bv, unsigned int num_bits)
get multiple bits (based on numeric value) from current pos
Definition bitvec.c:247
unsigned int bitvec_unpack(struct bitvec *bv, const uint8_t *buffer)
Copy buffer of unpacked bits into bit vector.
Definition bitvec.c:425
int bitvec_set_uint(struct bitvec *bv, unsigned int in, unsigned int count)
set multiple bits (based on numeric value) at current pos
Definition bitvec.c:216
int bitvec_set_bytes(struct bitvec *bv, const uint8_t *bytes, unsigned int count)
set multiple bytes at current pos Assumes MSB first encoding.
Definition bitvec.c:346
int bitvec_unhex(struct bitvec *bv, const char *src)
read hexadecimap string into a bit vector
Definition bitvec.c:439
unsigned int bitvec_add_array(struct bitvec *bv, const uint32_t *array, unsigned int array_len, bool dry_run, unsigned int num_bits)
Add given array to bitvec.
Definition bitvec.c:666
void bitvec_free(struct bitvec *bv)
Free a bit vector (release its memory)
Definition bitvec.c:402
struct bitvec * bitvec_alloc(unsigned int size, TALLOC_CTX *bvctx)
Allocate a bit vector.
Definition bitvec.c:383
@ H
A CSN.1 "H" bit.
Definition bitvec.h:55
@ ONE
A one (1) bit.
Definition bitvec.h:53
@ ZERO
A zero (0) bit.
Definition bitvec.h:52
@ L
A CSN.1 "L" bit.
Definition bitvec.h:54
structure describing a bit vector
Definition bitvec.h:59
uint8_t * data
pointer to data array
Definition bitvec.h:62
unsigned int cur_bit
cursor to the next unused bit
Definition bitvec.h:60
unsigned int data_len
length of data array in bytes
Definition bitvec.h:61