original files of m241

components/ip_net2-6.9/ipcom/include/ipcom_bitarray.h

@@ -0,0 +1,120 @@
+/*
+ ******************************************************************************
+ *                     HEADER FILE
+ *
+ *     Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipcom_bitarray.h,v $ $Revision: 1.3 $
+ *     $Source: /home/interpeak/CVSRoot/ipcom/include/ipcom_bitarray.h,v $
+ *     $Author: lob $ $Date: 2010-12-16 10:37:27 $
+ *     $State: Exp $ $Locker:  $
+ *
+ *     INTERPEAK_COPYRIGHT_STRING
+ *     Design and implementation by Balaji Raghavan(balaji.raghavan@windriver.com)
+ ******************************************************************************
+ */
+#ifndef IPCOM_BITARRAY_H
+#define IPCOM_BITARRAY_H
+
+/*
+ ****************************************************************************
+ * 1                    DESCRIPTION
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 2                    CONFIGURATION
+ ****************************************************************************
+ */
+
+#include "ipcom_config.h"
+
+
+/*
+ ****************************************************************************
+ * 3                    INCLUDE FILES
+ ****************************************************************************
+ */
+
+#include "ipcom_type.h"
+#include "ipcom_cstyle.h"
+#include "ipcom_syslog.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  /*
+****************************************************************************
+* 4                    DEFINES
+****************************************************************************
+*/
+
+  /*
+****************************************************************************
+* 5                    TYPES
+****************************************************************************
+*/
+
+typedef struct Ipcom_bitarray_struct
+{
+  Ip_u8   *buf;	     /* Buffer for data. */
+  Ip_u32   alloc;    /* Number of bits allocated for data. */
+  Ip_u32   offset;   /* Offset of first bit in the bitarray. */
+}
+Ipcom_bitarray;
+
+
+/*
+****************************************************************************
+* 6                    FUNCTIONS
+****************************************************************************
+*/
+
+#ifdef IPCOM_USE_BITARRAY
+/* Frees any memory used for the bitarray. */
+IP_PUBLIC void ipcom_bitarray_free(Ipcom_bitarray *bitarray);
+
+/* creates bit array of size 8*size  */
+IP_PUBLIC Ipcom_bitarray *ipcom_bitarray_new(Ip_s32 size);
+
+/* resets contents of bitarray as well as internal 1st-bit offset */
+IP_PUBLIC void ipcom_bitarray_reset(Ipcom_bitarray *bitarray);
+
+/* set "range" number of bits from bitpos (0=> 1-st bit and alloc-1=>
+ * last bit in the bitarray */
+IP_PUBLIC Ip_err ipcom_bitarray_set(Ipcom_bitarray *bitarray, Ip_u32 bitpos, Ip_u32 range);
+
+/* clear "range" number of bits from bitpos (0=> 1-st bit and alloc-1=>
+ * last bit in the bitarray */
+IP_PUBLIC Ip_err ipcom_bitarray_clear(Ipcom_bitarray *bitarray, Ip_u32 bitpos, Ip_u32 range);
+
+/* detemine if a the bitpos-th bit is set */
+IP_PUBLIC Ip_bool ipcom_bitarray_isset(Ipcom_bitarray *bitarray, Ip_u32 bitpos);
+
+/* shift the bitarray left by bit_count */
+IP_PUBLIC Ip_err ipcom_bitarray_shiftL(Ipcom_bitarray *bitarray, Ip_u32 bit_count);
+
+/* shift the bitarray right by bit_count */
+IP_PUBLIC Ip_err ipcom_bitarray_shiftR(Ipcom_bitarray *bitarray, Ip_u32 bit_count);
+
+/*
+ * Dumps the contents of the bitarray to stdout in hex.  This is intended for
+ * debugging purposes only.
+ */
+IP_PUBLIC void ipcom_bitarray_dump(Ipcom_bitarray *bitarray);
+IP_PUBLIC void ipcom_bitarray_test(void);
+
+#endif /* IPCOM_USE_BITARRAY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
+/*
+****************************************************************************
+*                      END OF FILE
+****************************************************************************
+*/