I hit a random failure in elf2flt (not elf2flt's fault, I was screwing with

[uclinux-h8/elf2flt.git] / flthdr.c

diff --git a/flthdr.c b/flthdr.c
index 15301f5..b1277ca 100644 (file)
--- a/flthdr.c
+++ b/flthdr.c
@@ -350,8 +350,11 @@ main(int argc, char *argv[])
                case 'R': ramload = -1;             break;
                case 'k': ktrace = 1;               break;
                case 'K': ktrace = -1;              break;
-               case 's': stacksize = atoi(optarg); break;
                case 'o': ofile = optarg;           break;
+               case 's':
+                       if (sscanf(optarg, "%i", &stacksize) != 1)
+                               usage("invalid stack size");
+                       break;
                default:
                        usage("invalid option");
                        break;