summaryrefslogtreecommitdiff
path: root/progs/demos
diff options
context:
space:
mode:
Diffstat (limited to 'progs/demos')
-rw-r--r--progs/demos/fire.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/progs/demos/fire.c b/progs/demos/fire.c
index f30b893dbf..475582c81b 100644
--- a/progs/demos/fire.c
+++ b/progs/demos/fire.c
@@ -726,8 +726,13 @@ main(int ac, char **av)
maxage = 1.0 / dt;
- if (ac == 2)
+ if (ac == 2) {
np = atoi(av[1]);
+ if (np <= 0 || np > 1000000) {
+ fprintf(stderr, "Invalid input.\n");
+ exit(-1);
+ }
+ }
if (ac == 4) {
WIDTH = atoi(av[2]);
@@ -762,6 +767,7 @@ main(int ac, char **av)
assert(np > 0);
p = (part *) malloc(sizeof(part) * np);
+ assert(p);
for (i = 0; i < np; i++)
setnewpart(&p[i]);