Move NUM_BYTES macro to core library

It's universally useful so it make sense to have it in the shared core:
* move macro from libosmocoding to libosmocore
* add OSMO_ prefix
* add doxygen docs

Change-Id: I5386ba3e1f1cc153ba96c29dc71c9075a052aa02
This commit is contained in:
Max 2017-06-13 15:07:01 +02:00
parent 21be83794f
commit dd75bacb78
3 changed files with 3 additions and 2 deletions

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@ -13,7 +13,6 @@
#define GSM0503_GPRS_BURSTS_NBITS (116 * 4)
#define GSM0503_EGPRS_BURSTS_NBITS (348 * 4)
#define NUM_BYTES(N) ((N + 8 - 1) / 8)
enum gsm0503_egprs_mcs {
EGPRS_MCS0,

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@ -19,6 +19,8 @@
#define OSMO_STRINGIFY(x) #x
/*! \brief Make a value_string entry from an enum value name */
#define OSMO_VALUE_STRING(x) { x, #x }
/*! \brief Number of bytes necessary to store given BITS */
#define OSMO_BYTES_FOR_BITS(BITS) ((BITS + 8 - 1) / 8)
#include <stdint.h>
#include <stdio.h>

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@ -901,7 +901,7 @@ static int egprs_decode_data(uint8_t *l2_data, const sbit_t *c,
u, 0, data_len, 1);
/* Return the number of bytes required for the bit message */
return NUM_BYTES(code->hdr_len + code->data_len);
return OSMO_BYTES_FOR_BITS(code->hdr_len + code->data_len);
}
/*! \brief Decode EGPRS UL message