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reuse memory (for speed)

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albert 2002-05-28 02:10:28 +00:00
parent 9673daccf4
commit 2efc9869f2
1 changed files with 7 additions and 4 deletions
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11
ps/display.c
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@ -333,7 +333,7 @@ not_root:
/***** sorted or forest */ /***** sorted or forest */
static void fancy_spew(void){ static void fancy_spew(void){
proc_t *retbuf; proc_t *retbuf = NULL;
PROCTAB* ptp; PROCTAB* ptp;
int n = 0; /* number of processes & index into array */ int n = 0; /* number of processes & index into array */
ptp = openproc(PROC_FILLBUG); ptp = openproc(PROC_FILLBUG);
@ -341,11 +341,14 @@ static void fancy_spew(void){
fprintf(stderr, "Error: can not access /proc.\n"); fprintf(stderr, "Error: can not access /proc.\n");
exit(1); exit(1);
} }
while((retbuf = ps_readproc(ptp,NULL))){ while((retbuf = ps_readproc(ptp,retbuf))){
fill_pcpu(retbuf); fill_pcpu(retbuf);
if(want_this_proc(retbuf)) processes[n++] = retbuf; if(want_this_proc(retbuf)){
else free(retbuf); processes[n++] = retbuf;
retbuf = NULL; /* NULL asks ps_readproc to allocate */
}
} }
if(retbuf) free(retbuf);
closeproc(ptp); closeproc(ptp);
if(!n) return; /* no processes */ if(!n) return; /* no processes */
if(forest_type) prep_forest_sort(); if(forest_type) prep_forest_sort();