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Functions on 'text' type updated to new fmgr style. 'text' is

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now TOAST-able.
This commit is contained in:
Tom Lane
2000-07-06 05:48:31 +00:00
parent 40f64064ff
commit 8ecac94bb2
20 changed files with 756 additions and 693 deletions
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115
src/backend/utils/adt/network.c
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@@ -3,21 +3,29 @@
* is for IP V4 CIDR notation, but prepared for V6: just
* add the necessary bits where the comments indicate.
*
* $Id: network.c,v 1.22 2000/07/03 23:09:52 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/network.c,v 1.23 2000/07/06 05:48:11 tgl Exp $
*
* Jon Postel RIP 16 Oct 1998
*/
#include <sys/types.h>
#include <sys/socket.h>
#include "postgres.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "postgres.h"
#include "utils/builtins.h"
/*
* inet is a pass-by-reference datatype. It's not toastable, and we
* don't try to hide the pass-by-refness, so these macros are simple.
*/
#define PG_GETARG_INET_P(n) ((inet *) PG_GETARG_POINTER(n))
#define PG_RETURN_INET_P(x) return PointerGetDatum(x)
static int v4bitncmp(unsigned int a1, unsigned int a2, int bits);
/*
@@ -315,17 +323,15 @@ network_cmp(inet *a1, inet *a2)
return 0;
}
text *
network_host(inet *ip)
Datum
network_host(PG_FUNCTION_ARGS)
{
inet *ip = PG_GETARG_INET_P(0);
text *ret;
int len;
char *ptr,
tmp[sizeof("255.255.255.255/32")];
if (!PointerIsValid(ip))
return NULL;
if (ip_type(ip))
elog(ERROR, "CIDR type has no host part");
@@ -339,16 +345,16 @@ network_host(inet *ip)
/* Go for an IPV6 address here, before faulting out: */
elog(ERROR, "unknown address family (%d)", ip_family(ip));
/* Suppress /n if present */
if ((ptr = strchr(tmp, '/')) != NULL)
*ptr = 0;
len = VARHDRSZ + strlen(tmp) + 1;
ret = palloc(len);
if (ret == NULL)
elog(ERROR, "unable to allocate memory in network_host()");
*ptr = '\0';
VARATT_SIZEP(ret) = len;
strcpy(VARDATA(ret), tmp);
return (ret);
/* Return string as a text datum */
len = strlen(tmp);
ret = (text *) palloc(len + VARHDRSZ);
VARATT_SIZEP(ret) = len + VARHDRSZ;
memcpy(VARDATA(ret), tmp, len);
PG_RETURN_TEXT_P(ret);
}
int4
@@ -360,17 +366,15 @@ network_masklen(inet *ip)
return ip_bits(ip);
}
text *
network_broadcast(inet *ip)
Datum
network_broadcast(PG_FUNCTION_ARGS)
{
inet *ip = PG_GETARG_INET_P(0);
text *ret;
int len;
char *ptr,
tmp[sizeof("255.255.255.255/32")];
if (!PointerIsValid(ip))
return NULL;
if (ip_family(ip) == AF_INET)
{
/* It's an IP V4 address: */
@@ -383,34 +387,31 @@ network_broadcast(inet *ip)
if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) == NULL)
elog(ERROR, "unable to print address (%s)", strerror(errno));
}
else
/* Go for an IPV6 address here, before faulting out: */
elog(ERROR, "unknown address family (%d)", ip_family(ip));
/* Suppress /n if present */
if ((ptr = strchr(tmp, '/')) != NULL)
*ptr = 0;
len = VARHDRSZ + strlen(tmp) + 1;
ret = palloc(len);
if (ret == NULL)
elog(ERROR, "unable to allocate memory in network_broadcast()");
*ptr = '\0';
VARATT_SIZEP(ret) = len;
strcpy(VARDATA(ret), tmp);
return (ret);
/* Return string as a text datum */
len = strlen(tmp);
ret = (text *) palloc(len + VARHDRSZ);
VARATT_SIZEP(ret) = len + VARHDRSZ;
memcpy(VARDATA(ret), tmp, len);
PG_RETURN_TEXT_P(ret);
}
text *
network_network(inet *ip)
Datum
network_network(PG_FUNCTION_ARGS)
{
inet *ip = PG_GETARG_INET_P(0);
text *ret;
int len;
char tmp[sizeof("255.255.255.255/32")];
if (!PointerIsValid(ip))
return NULL;
if (ip_family(ip) == AF_INET)
{
/* It's an IP V4 address: */
@@ -418,33 +419,28 @@ network_network(inet *ip)
if (inet_cidr_ntop(AF_INET, &addr, ip_bits(ip), tmp, sizeof(tmp)) == NULL)
elog(ERROR, "unable to print network (%s)", strerror(errno));
}
else
/* Go for an IPV6 address here, before faulting out: */
elog(ERROR, "unknown address family (%d)", ip_family(ip));
len = VARHDRSZ + strlen(tmp) + 1;
ret = palloc(len);
if (ret == NULL)
elog(ERROR, "unable to allocate memory in network_network()");
VARATT_SIZEP(ret) = len;
strcpy(VARDATA(ret), tmp);
return (ret);
/* Return string as a text datum */
len = strlen(tmp);
ret = (text *) palloc(len + VARHDRSZ);
VARATT_SIZEP(ret) = len + VARHDRSZ;
memcpy(VARDATA(ret), tmp, len);
PG_RETURN_TEXT_P(ret);
}
text *
network_netmask(inet *ip)
Datum
network_netmask(PG_FUNCTION_ARGS)
{
inet *ip = PG_GETARG_INET_P(0);
text *ret;
int len;
char *ptr,
tmp[sizeof("255.255.255.255/32")];
if (!PointerIsValid(ip))
return NULL;
if (ip_family(ip) == AF_INET)
{
/* It's an IP V4 address: */
@@ -453,22 +449,21 @@ network_netmask(inet *ip)
if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) == NULL)
elog(ERROR, "unable to print netmask (%s)", strerror(errno));
}
else
/* Go for an IPV6 address here, before faulting out: */
elog(ERROR, "unknown address family (%d)", ip_family(ip));
/* Suppress /n if present */
if ((ptr = strchr(tmp, '/')) != NULL)
*ptr = 0;
len = VARHDRSZ + strlen(tmp) + 1;
ret = palloc(len);
if (ret == NULL)
elog(ERROR, "unable to allocate memory in network_netmask()");
*ptr = '\0';
VARATT_SIZEP(ret) = len;
strcpy(VARDATA(ret), tmp);
return (ret);
/* Return string as a text datum */
len = strlen(tmp);
ret = (text *) palloc(len + VARHDRSZ);
VARATT_SIZEP(ret) = len + VARHDRSZ;
memcpy(VARDATA(ret), tmp, len);
PG_RETURN_TEXT_P(ret);
}
/*