static void
MoreUdpPairs(
int num_needed)
{
int new_max_udp_pairs;
int i;
if (num_needed < max_udp_pairs)
return;
new_max_udp_pairs = max_udp_pairs * 4;
while (new_max_udp_pairs < num_needed)
new_max_udp_pairs *= 4;
if (debug)
printf("trace: making more space for %d total UDP pairs\n",
new_max_udp_pairs);
/* enlarge array to hold any pairs that we might create */
utp = ReallocZ(utp,
max_udp_pairs * sizeof(udp_pair *),
new_max_udp_pairs * sizeof(udp_pair *));
/* enlarge array to keep track of which ones to ignore */
ignore_pairs = ReallocZ(ignore_pairs,
max_udp_pairs * sizeof(Bool),
new_max_udp_pairs * sizeof(Bool));
if (more_conns_ignored)
for (i=max_udp_pairs; i < new_max_udp_pairs;++i)
ignore_pairs[i] = TRUE;
max_udp_pairs = new_max_udp_pairs;
}
static void
AddSample(
struct samples *psamp,
u_short sample)
{
/* printf("AddSample(%d) called\n", sample); */
/* make sure we have enough space */
if ((psamp->num_samples+2) > (psamp->max_samples)) {
u_long new_samples = psamp->max_samples + 100;
u_short *new_ptr;
if (psamp->samples) {
new_ptr = ReallocZ(psamp->samples,
psamp->max_samples * sizeof(u_short),
new_samples * sizeof(u_short));
} else {
new_ptr = MallocZ(new_samples * sizeof(u_short));
}
psamp->max_samples = new_samples;
psamp->samples = new_ptr;
}
/* remember what we did */
psamp->samples[psamp->num_samples++] = sample;
if (sample > psamp->max)
psamp->max = sample;
if (sample < psamp->max)
psamp->min = sample;
}
static void
MakeBuckets(
struct hist *phist,
u_int num_buckets)
{
u_long *new_ptr;
++num_buckets; /* 0-based arrays */
if (num_buckets <= phist->num_buckets)
return; /* nothing to do */
/* round num_buckets up to multiple of 100 */
if ((num_buckets % 100) != 0) {
num_buckets = 100 * ((num_buckets+99)/100);
}
/* either create the space or expand it */
if (phist->buckets) {
new_ptr = ReallocZ(phist->buckets,
phist->num_buckets * sizeof(u_long),
num_buckets * sizeof(u_long));
} else {
new_ptr = MallocZ(num_buckets * sizeof(u_long));
}
/* remember what we did */
phist->num_buckets = num_buckets;
phist->buckets = new_ptr;
}
static void
plotter_makemore(void)
{
int new_max_plotters = max_plotters * 4;
if (debug)
fprintf(stderr,"plotter: making more space for %d total plotters\n",
new_max_plotters);
/* reallocate the memory to make more space */
pplotters = ReallocZ(pplotters,
max_plotters * sizeof(struct plotter_info),
new_max_plotters * sizeof(struct plotter_info));
max_plotters = new_max_plotters;
}
