121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/*
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******************************************************************************
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* HEADER FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipcom_bitarray.h,v $ $Revision: 1.3 $
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* $Source: /home/interpeak/CVSRoot/ipcom/include/ipcom_bitarray.h,v $
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* $Author: lob $ $Date: 2010-12-16 10:37:27 $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Balaji Raghavan(balaji.raghavan@windriver.com)
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******************************************************************************
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*/
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#ifndef IPCOM_BITARRAY_H
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#define IPCOM_BITARRAY_H
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipcom_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#include "ipcom_type.h"
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#include "ipcom_cstyle.h"
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#include "ipcom_syslog.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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typedef struct Ipcom_bitarray_struct
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{
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Ip_u8 *buf; /* Buffer for data. */
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Ip_u32 alloc; /* Number of bits allocated for data. */
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Ip_u32 offset; /* Offset of first bit in the bitarray. */
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}
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Ipcom_bitarray;
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/*
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****************************************************************************
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* 6 FUNCTIONS
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****************************************************************************
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*/
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#ifdef IPCOM_USE_BITARRAY
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/* Frees any memory used for the bitarray. */
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IP_PUBLIC void ipcom_bitarray_free(Ipcom_bitarray *bitarray);
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/* creates bit array of size 8*size */
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IP_PUBLIC Ipcom_bitarray *ipcom_bitarray_new(Ip_s32 size);
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/* resets contents of bitarray as well as internal 1st-bit offset */
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IP_PUBLIC void ipcom_bitarray_reset(Ipcom_bitarray *bitarray);
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/* set "range" number of bits from bitpos (0=> 1-st bit and alloc-1=>
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* last bit in the bitarray */
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IP_PUBLIC Ip_err ipcom_bitarray_set(Ipcom_bitarray *bitarray, Ip_u32 bitpos, Ip_u32 range);
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/* clear "range" number of bits from bitpos (0=> 1-st bit and alloc-1=>
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* last bit in the bitarray */
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IP_PUBLIC Ip_err ipcom_bitarray_clear(Ipcom_bitarray *bitarray, Ip_u32 bitpos, Ip_u32 range);
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/* detemine if a the bitpos-th bit is set */
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IP_PUBLIC Ip_bool ipcom_bitarray_isset(Ipcom_bitarray *bitarray, Ip_u32 bitpos);
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/* shift the bitarray left by bit_count */
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IP_PUBLIC Ip_err ipcom_bitarray_shiftL(Ipcom_bitarray *bitarray, Ip_u32 bit_count);
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/* shift the bitarray right by bit_count */
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IP_PUBLIC Ip_err ipcom_bitarray_shiftR(Ipcom_bitarray *bitarray, Ip_u32 bit_count);
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/*
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* Dumps the contents of the bitarray to stdout in hex. This is intended for
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* debugging purposes only.
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*/
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IP_PUBLIC void ipcom_bitarray_dump(Ipcom_bitarray *bitarray);
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IP_PUBLIC void ipcom_bitarray_test(void);
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#endif /* IPCOM_USE_BITARRAY */
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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