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Switch to stack (rather than calloc) for tables. 

(Logical change 1.176)
This commit is contained in:
osdl.net!shemminger 2005-03-30 18:11:49 +00:00
parent e39a637db0
commit f8f9de56f2
3 changed files with 12 additions and 21 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2005-03-29 Stephen Hemminger <shemminger@dxpl.pdx.osdl.net>
* switch to stack for netem tables
2005-03-18 Stephen Hemminger <shemminger@osdl.org> 2005-03-18 Stephen Hemminger <shemminger@osdl.org>
* add -force option to batch mode * add -force option to batch mode

15
netem/normal.c
View File

@ -20,21 +20,16 @@ normal(double x, double mu, double sigma)
return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma)); return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
} }
int int
main(int argc, char **argv) main(int argc, char **argv)
{ {
double x, *table;
int i, n; int i, n;
double x;
table = calloc(sizeof(double), TABLESIZE+1); double table[TABLESIZE+1];
if (!table) {
fprintf(stderr, "Not enough memory\n");
return 1;
}
for (x = -10.0; x < 10.05; x += .00005) { for (x = -10.0; x < 10.05; x += .00005) {
i = (int)rint(TABLESIZE*normal(x, 0.0, 1.0)); i = rint(TABLESIZE * normal(x, 0.0, 1.0));
table[i] = x; table[i] = x;
} }
@ -51,6 +46,6 @@ main(int argc, char **argv)
n = 0; n = 0;
} }
} }
free(table);
return 0; return 0;
} }

14
netem/paretonormal.c
View File

@ -29,7 +29,6 @@ normal(double x, double mu, double sigma)
return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma)); return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
} }
static const double a=3.0; static const double a=3.0;
static int static int
@ -50,18 +49,12 @@ paretovalue(int i)
int int
main(int argc, char **argv) main(int argc, char **argv)
{ {
double x;
double *table;
int i,n; int i,n;
double x;
table = calloc(TABLESIZE+1, sizeof(double)); double table[TABLESIZE];
if (!table) {
fprintf(stderr, "Out of memory!\n");
exit(1);
}
for (x = -10.0; x < 10.05; x += .00005) { for (x = -10.0; x < 10.05; x += .00005) {
i = (int)rint(TABLESIZE*normal(x, 0.0, 1.0)); i = rint(TABLESIZE*normal(x, 0.0, 1.0));
table[i] = x; table[i] = x;
} }
printf( printf(
@ -84,7 +77,6 @@ main(int argc, char **argv)
n = 0; n = 0;
} }
} }
free(table);
return 0; return 0;
} }