proxyscan/proxyscanalloc.c

   1 /* proxyscanalloc.c */
   2
   3 #include "proxyscan.h"
   4 #include "../core/nsmalloc.h"
   5
   6 #include <stdlib.h>
   7
   8 #define ALLOCUNIT 1024
   9
  10 scan *freescans;
  11 cachehost *freecachehosts;
  12 pendingscan *freependingscans;
  13 foundproxy *freefoundproxies;
  14
  15 scan *getscan() {
  16   int i;
  17   scan *sp;
  18
  19   if (freescans==NULL) {
  20     /* Eep.  Allocate more. */
  21     freescans=(scan *)nsmalloc(POOL_PROXYSCAN,ALLOCUNIT*sizeof(scan));
  22     for (i=0;i<(ALLOCUNIT-1);i++) {
  23       freescans[i].next=&(freescans[i+1]);
  24     }
  25     freescans[ALLOCUNIT-1].next=NULL;
  26   }
  27
  28   sp=freescans;
  29   freescans=sp->next;
  30
  31   return sp;
  32 }
  33
  34 void freescan(scan *sp) {
  35   sp->next=freescans;
  36   freescans=sp;
  37 }
  38
  39 cachehost *getcachehost() {
  40   int i;
  41   cachehost *chp;
  42
  43   if (freecachehosts==NULL) {
  44     freecachehosts=(cachehost *)nsmalloc(POOL_PROXYSCAN,ALLOCUNIT*sizeof(cachehost));
  45     for (i=0;i<(ALLOCUNIT-1);i++) {
  46       freecachehosts[i].next=&(freecachehosts[i+1]);
  47     }
  48     freecachehosts[ALLOCUNIT-1].next=NULL;
  49   }
  50
  51   chp=freecachehosts;
  52   freecachehosts=chp->next;
  53
  54   return chp;
  55 }
  56
  57 void freecachehost(cachehost *chp) {
  58   chp->next=freecachehosts;
  59   freecachehosts=chp;
  60 }
  61
  62 pendingscan *getpendingscan() {
  63   int i;
  64   pendingscan *psp;
  65
  66   if (!freependingscans) {
  67     freependingscans=(pendingscan *)nsmalloc(POOL_PROXYSCAN,ALLOCUNIT * sizeof(pendingscan));
  68     for (i=0;i<(ALLOCUNIT-1);i++)
  69       freependingscans[i].next = freependingscans+i+1;
  70     freependingscans[ALLOCUNIT-1].next=NULL;
  71   }
  72
  73   psp=freependingscans;
  74   freependingscans=psp->next;
  75
  76   return psp;
  77 }
  78
  79 void freependingscan(pendingscan *psp) {
  80   psp->next=freependingscans;
  81   freependingscans=psp;
  82 }
  83
  84 foundproxy *getfoundproxy() {
  85   int i;
  86   foundproxy *fpp;
  87
  88   if (!freefoundproxies) {
  89     freefoundproxies=(foundproxy *)nsmalloc(POOL_PROXYSCAN,ALLOCUNIT * sizeof(foundproxy));
  90     for (i=0;i<(ALLOCUNIT-1);i++)
  91       freefoundproxies[i].next = freefoundproxies+i+1;
  92     freefoundproxies[ALLOCUNIT-1].next=NULL;
  93   }
  94
  95   fpp=freefoundproxies;
  96   freefoundproxies=fpp->next;
  97
  98   return fpp;
  99 }
 100
 101 void freefoundproxy(foundproxy *fpp) {
 102   fpp->next=freefoundproxies;
 103   freefoundproxies=fpp;
 104 }
 105