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/*-------------------------------------------------------------------------
*
* pgtclId.c--
* useful routines to convert between strings and pointers
* Needed because everything in tcl is a string, but we want pointers
* to data structures
*
* ASSUMPTION: sizeof(long) >= sizeof(void*)
*
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpgtcl/Attic/pgtclId.c,v 1.1.1.1 1996/07/09 06:22:16 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdlib.h>
#include <string.h>
#include "tcl.h"
#include "pgtclId.h"
/* convert a pointer into a string */
void
PgSetId(char *id, void *ptr)
{
(void) sprintf(id, "pgp%lx", (long) ptr);
}
/* get back a pointer from a string */
void *
PgGetId(char *id)
{
long ptr;
ptr = strtol(id+3, NULL, 16);
return (void *) ptr;
}
/* check to see if the string is a valid pgtcl pointer */
int
PgValidId(char* id)
{
if ( (strlen(id) > 3) && id[0]=='p' && id[1] == 'g' && id[2] == 'p')
return 1;
else
return 0;
}
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