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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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43
src/backend/utils/adt/mac.c
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@ -1,14 +1,30 @@
/*
* PostgreSQL type definitions for MAC addresses.
*
* $Id: mac.c,v 1.15 2000/07/03 23:09:52 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/mac.c,v 1.16 2000/07/06 05:48:11 tgl Exp $
*/
#include "postgres.h"
#include "utils/builtins.h"
manufacturer manufacturers[] = {
/*
* macaddr is a pass-by-reference datatype.
*/
#define PG_GETARG_MACADDR_P(n) ((macaddr *) PG_GETARG_POINTER(n))
#define PG_RETURN_MACADDR_P(x) return PointerGetDatum(x)
typedef struct manufacturer
{
unsigned char a;
unsigned char b;
unsigned char c;
char *name;
} manufacturer;
static manufacturer manufacturers[] = {
{0x00, 0x00, 0x0C, "Cisco"},
{0x00, 0x00, 0x0E, "Fujitsu"},
{0x00, 0x00, 0x0F, "NeXT"},
@ -290,19 +306,17 @@ macaddr_cmp(macaddr *a1, macaddr *a2)
}
/*
* The special manufacturer fetching function. See "mac.h".
* The special manufacturer fetching function.
*/
text *
macaddr_manuf(macaddr *addr)
Datum
macaddr_manuf(PG_FUNCTION_ARGS)
{
macaddr *addr = PG_GETARG_MACADDR_P(0);
manufacturer *manuf;
int length;
text *result;
if (!PointerIsValid(addr))
return NULL;
for (manuf = manufacturers; manuf->name != NULL; manuf++)
{
if ((manuf->a == addr->a) &&
@ -312,17 +326,16 @@ macaddr_manuf(macaddr *addr)
}
if (manuf->name == NULL)
{
result = palloc(VARHDRSZ + 1);
memset(result, 0, VARHDRSZ + 1);
VARATT_SIZEP(result) = VARHDRSZ + 1;
/* Not known, so return empty string */
result = palloc(VARHDRSZ);
VARATT_SIZEP(result) = VARHDRSZ;
}
else
{
length = strlen(manuf->name) + 1;
length = strlen(manuf->name);
result = palloc(length + VARHDRSZ);
memset(result, 0, length + VARHDRSZ);
VARATT_SIZEP(result) = length + VARHDRSZ;
memcpy(VARDATA(result), manuf->name, length);
}
return result;
PG_RETURN_TEXT_P(result);
}