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/*
* Copyright (c) 1989, 1990, 1991 by the University of Washington
*
* For copying and distribution information, please see the file
* <copyright.h>.
*
* v1.3.2 - bpk - for Archie client 1.3.2, except gf ZERO->BZERO
* v1.1.2 - gf 11/02/91 - renamed ZERO() to BZERO() for X
*/
#include <copyright.h>
#include <stdio.h>
#include <pfs.h>
#include <pmachine.h> /* for correct definition of bzero used by BZERO */
#ifdef MSDOS
# define free _pfree /* otherwise we get conflicts with free() */
#endif
/* gf */
extern char *malloc();
static PTEXT free = NULL;
int ptext_count = 0;
int ptext_max = 0;
/*
* ptalloc - allocate and initialize ptext structure
*
* PTALLOC returns a pointer to an initialized structure of type
* PTEXT. If it is unable to allocate such a structure, it
* returns NULL.
*/
PTEXT
ptalloc()
{
PTEXT vt;
if(free) {
vt = free;
free = free->next;
}
else {
vt = (PTEXT) malloc(sizeof(PTEXT_ST));
if (!vt) return(NULL);
ptext_max++;
}
ptext_count++;
/* nearly all parts are 0 [or NULL] */
BZERO(vt);
/* The offset is to leave room for additional headers */
vt->start = vt->dat + MAX_PTXT_HDR;
return(vt);
}
/*
* ptfree - free a VTEXT structure
*
* VTFREE takes a pointer to a VTEXT structure and adds it to
* the free list for later reuse.
*/
void
ptfree(vt)
PTEXT vt;
{
vt->next = free;
vt->previous = NULL;
free = vt;
ptext_count--;
}
/*
* ptlfree - free a VTEXT structure
*
* VTLFREE takes a pointer to a VTEXT structure frees it and any linked
* VTEXT structures. It is used to free an entrie list of VTEXT
* structures.
*/
void
ptlfree(vt)
PTEXT vt;
{
PTEXT nxt;
while(vt != NULL) {
nxt = vt->next;
ptfree(vt);
vt = nxt;
}
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.