#include "postgres.h"
#include "access/hash.h"
#include "libpq/pqformat.h"
#include "utils/builtins.h"
#include "utils/inet.h"

Include dependency graph for mac.c:

Defines
#define	hibits(addr) ((unsigned long)(((addr)->a<<16)\|((addr)->b<<8)\|((addr)->c)))
#define	lobits(addr) ((unsigned long)(((addr)->d<<16)\|((addr)->e<<8)\|((addr)->f)))
Functions
Datum	macaddr_in (PG_FUNCTION_ARGS)
Datum	macaddr_out (PG_FUNCTION_ARGS)
Datum	macaddr_recv (PG_FUNCTION_ARGS)
Datum	macaddr_send (PG_FUNCTION_ARGS)
static int32	macaddr_cmp_internal (macaddr a1, macaddr a2)
Datum	macaddr_cmp (PG_FUNCTION_ARGS)
Datum	macaddr_lt (PG_FUNCTION_ARGS)
Datum	macaddr_le (PG_FUNCTION_ARGS)
Datum	macaddr_eq (PG_FUNCTION_ARGS)
Datum	macaddr_ge (PG_FUNCTION_ARGS)
Datum	macaddr_gt (PG_FUNCTION_ARGS)
Datum	macaddr_ne (PG_FUNCTION_ARGS)
Datum	hashmacaddr (PG_FUNCTION_ARGS)
Datum	macaddr_not (PG_FUNCTION_ARGS)
Datum	macaddr_and (PG_FUNCTION_ARGS)
Datum	macaddr_or (PG_FUNCTION_ARGS)
Datum	macaddr_trunc (PG_FUNCTION_ARGS)

Define Documentation

#define hibits ( addr ) ((unsigned long)(((addr)->a<<16)|((addr)->b<<8)|((addr)->c)))

Definition at line 19 of file mac.c.

Referenced by macaddr_cmp_internal().

#define lobits ( addr ) ((unsigned long)(((addr)->d<<16)|((addr)->e<<8)|((addr)->f)))

Definition at line 22 of file mac.c.

Referenced by macaddr_cmp_internal().

Function Documentation

Datum hashmacaddr ( PG_FUNCTION_ARGS )

Definition at line 237 of file mac.c.

References hash_any(), and PG_GETARG_MACADDR_P.

{
    macaddr    *key = PG_GETARG_MACADDR_P(0);

    return hash_any((unsigned char *) key, sizeof(macaddr));
}

Datum macaddr_and ( PG_FUNCTION_ARGS )

Definition at line 264 of file mac.c.

References macaddr::a, macaddr::b, macaddr::c, macaddr::d, macaddr::e, macaddr::f, palloc(), PG_GETARG_MACADDR_P, and PG_RETURN_MACADDR_P.

{
    macaddr    *addr1 = PG_GETARG_MACADDR_P(0);
    macaddr    *addr2 = PG_GETARG_MACADDR_P(1);
    macaddr    *result;

    result = (macaddr *) palloc(sizeof(macaddr));
    result->a = addr1->a & addr2->a;
    result->b = addr1->b & addr2->b;
    result->c = addr1->c & addr2->c;
    result->d = addr1->d & addr2->d;
    result->e = addr1->e & addr2->e;
    result->f = addr1->f & addr2->f;
    PG_RETURN_MACADDR_P(result);
}

Datum macaddr_cmp ( PG_FUNCTION_ARGS )

Definition at line 167 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_INT32.

Referenced by gbt_macadkey_cmp().

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_INT32(macaddr_cmp_internal(a1, a2));
}

static int32 macaddr_cmp_internal	(	macaddr *	a1,
		macaddr *	a2
	)			`[static]`

Definition at line 152 of file mac.c.

References hibits, and lobits.

Referenced by macaddr_cmp(), macaddr_eq(), macaddr_ge(), macaddr_gt(), macaddr_le(), macaddr_lt(), and macaddr_ne().

{
    if (hibits(a1) < hibits(a2))
        return -1;
    else if (hibits(a1) > hibits(a2))
        return 1;
    else if (lobits(a1) < lobits(a2))
        return -1;
    else if (lobits(a1) > lobits(a2))
        return 1;
    else
        return 0;
}

Datum macaddr_eq ( PG_FUNCTION_ARGS )

Definition at line 198 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_BOOL.

Referenced by gbt_macadeq().

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) == 0);
}

Datum macaddr_ge ( PG_FUNCTION_ARGS )

Definition at line 207 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_BOOL.

Referenced by gbt_macadge().

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) >= 0);
}

Datum macaddr_gt ( PG_FUNCTION_ARGS )

Definition at line 216 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_BOOL.

Referenced by gbt_macadgt().

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) > 0);
}

Datum macaddr_in ( PG_FUNCTION_ARGS )

Definition at line 30 of file mac.c.

References macaddr::a, macaddr::b, macaddr::c, macaddr::d, macaddr::e, ereport, errcode(), errmsg(), ERROR, macaddr::f, palloc(), PG_GETARG_CSTRING, and PG_RETURN_MACADDR_P.

{
    char       *str = PG_GETARG_CSTRING(0);
    macaddr    *result;
    int         a,
                b,
                c,
                d,
                e,
                f;
    char        junk[2];
    int         count;

    /* %1s matches iff there is trailing non-whitespace garbage */

    count = sscanf(str, "%x:%x:%x:%x:%x:%x%1s",
                   &a, &b, &c, &d, &e, &f, junk);
    if (count != 6)
        count = sscanf(str, "%x-%x-%x-%x-%x-%x%1s",
                       &a, &b, &c, &d, &e, &f, junk);
    if (count != 6)
        count = sscanf(str, "%2x%2x%2x:%2x%2x%2x%1s",
                       &a, &b, &c, &d, &e, &f, junk);
    if (count != 6)
        count = sscanf(str, "%2x%2x%2x-%2x%2x%2x%1s",
                       &a, &b, &c, &d, &e, &f, junk);
    if (count != 6)
        count = sscanf(str, "%2x%2x.%2x%2x.%2x%2x%1s",
                       &a, &b, &c, &d, &e, &f, junk);
    if (count != 6)
        count = sscanf(str, "%2x%2x%2x%2x%2x%2x%1s",
                       &a, &b, &c, &d, &e, &f, junk);
    if (count != 6)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
              errmsg("invalid input syntax for type macaddr: \"%s\"", str)));

    if ((a < 0) || (a > 255) || (b < 0) || (b > 255) ||
        (c < 0) || (c > 255) || (d < 0) || (d > 255) ||
        (e < 0) || (e > 255) || (f < 0) || (f > 255))
        ereport(ERROR,
                (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
           errmsg("invalid octet value in \"macaddr\" value: \"%s\"", str)));

    result = (macaddr *) palloc(sizeof(macaddr));

    result->a = a;
    result->b = b;
    result->c = c;
    result->d = d;
    result->e = e;
    result->f = f;

    PG_RETURN_MACADDR_P(result);
}

Datum macaddr_le ( PG_FUNCTION_ARGS )

Definition at line 189 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_BOOL.

Referenced by gbt_macadle().

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) <= 0);
}

Datum macaddr_lt ( PG_FUNCTION_ARGS )

Definition at line 180 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_BOOL.

Referenced by gbt_macadlt().

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) < 0);
}

Datum macaddr_ne ( PG_FUNCTION_ARGS )

Definition at line 225 of file mac.c.

References a1, a2, macaddr_cmp_internal(), PG_GETARG_MACADDR_P, and PG_RETURN_BOOL.

{
    macaddr    *a1 = PG_GETARG_MACADDR_P(0);
    macaddr    *a2 = PG_GETARG_MACADDR_P(1);

    PG_RETURN_BOOL(macaddr_cmp_internal(a1, a2) != 0);
}

Datum macaddr_not ( PG_FUNCTION_ARGS )

Definition at line 248 of file mac.c.

References macaddr::a, macaddr::b, macaddr::c, macaddr::d, macaddr::e, macaddr::f, palloc(), PG_GETARG_MACADDR_P, and PG_RETURN_MACADDR_P.

{
    macaddr    *addr = PG_GETARG_MACADDR_P(0);
    macaddr    *result;

    result = (macaddr *) palloc(sizeof(macaddr));
    result->a = ~addr->a;
    result->b = ~addr->b;
    result->c = ~addr->c;
    result->d = ~addr->d;
    result->e = ~addr->e;
    result->f = ~addr->f;
    PG_RETURN_MACADDR_P(result);
}

Datum macaddr_or ( PG_FUNCTION_ARGS )

Definition at line 281 of file mac.c.

References macaddr::a, macaddr::b, macaddr::c, macaddr::d, macaddr::e, macaddr::f, palloc(), PG_GETARG_MACADDR_P, and PG_RETURN_MACADDR_P.

{
    macaddr    *addr1 = PG_GETARG_MACADDR_P(0);
    macaddr    *addr2 = PG_GETARG_MACADDR_P(1);
    macaddr    *result;

    result = (macaddr *) palloc(sizeof(macaddr));
    result->a = addr1->a | addr2->a;
    result->b = addr1->b | addr2->b;
    result->c = addr1->c | addr2->c;
    result->d = addr1->d | addr2->d;
    result->e = addr1->e | addr2->e;
    result->f = addr1->f | addr2->f;
    PG_RETURN_MACADDR_P(result);
}

Datum macaddr_out ( PG_FUNCTION_ARGS )

Definition at line 91 of file mac.c.

References macaddr::a, macaddr::b, macaddr::c, macaddr::d, macaddr::e, macaddr::f, palloc(), PG_GETARG_MACADDR_P, PG_RETURN_CSTRING, and snprintf().

{
    macaddr    *addr = PG_GETARG_MACADDR_P(0);
    char       *result;

    result = (char *) palloc(32);

    snprintf(result, 32, "%02x:%02x:%02x:%02x:%02x:%02x",
             addr->a, addr->b, addr->c, addr->d, addr->e, addr->f);

    PG_RETURN_CSTRING(result);
}

Datum macaddr_recv ( PG_FUNCTION_ARGS )

Definition at line 110 of file mac.c.

References macaddr::a, macaddr::b, buf, macaddr::c, macaddr::d, macaddr::e, macaddr::f, palloc(), PG_GETARG_POINTER, PG_RETURN_MACADDR_P, and pq_getmsgbyte().

{
    StringInfo  buf = (StringInfo) PG_GETARG_POINTER(0);
    macaddr    *addr;

    addr = (macaddr *) palloc(sizeof(macaddr));

    addr->a = pq_getmsgbyte(buf);
    addr->b = pq_getmsgbyte(buf);
    addr->c = pq_getmsgbyte(buf);
    addr->d = pq_getmsgbyte(buf);
    addr->e = pq_getmsgbyte(buf);
    addr->f = pq_getmsgbyte(buf);

    PG_RETURN_MACADDR_P(addr);
}

Datum macaddr_send ( PG_FUNCTION_ARGS )

Definition at line 131 of file mac.c.

References macaddr::a, macaddr::b, buf, macaddr::c, macaddr::d, macaddr::e, macaddr::f, PG_GETARG_MACADDR_P, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), and pq_sendbyte().

{
    macaddr    *addr = PG_GETARG_MACADDR_P(0);
    StringInfoData buf;

    pq_begintypsend(&buf);
    pq_sendbyte(&buf, addr->a);
    pq_sendbyte(&buf, addr->b);
    pq_sendbyte(&buf, addr->c);
    pq_sendbyte(&buf, addr->d);
    pq_sendbyte(&buf, addr->e);
    pq_sendbyte(&buf, addr->f);
    PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}

Datum macaddr_trunc ( PG_FUNCTION_ARGS )

Definition at line 302 of file mac.c.

References macaddr::a, macaddr::b, macaddr::c, macaddr::d, macaddr::e, macaddr::f, palloc(), PG_GETARG_MACADDR_P, and PG_RETURN_MACADDR_P.

{
    macaddr    *addr = PG_GETARG_MACADDR_P(0);
    macaddr    *result;

    result = (macaddr *) palloc(sizeof(macaddr));

    result->a = addr->a;
    result->b = addr->b;
    result->c = addr->c;
    result->d = 0;
    result->e = 0;
    result->f = 0;

    PG_RETURN_MACADDR_P(result);
}

Header And Logo

mac.c File Reference

Defines

Functions

Define Documentation

Function Documentation