int bits, c, i, bytes;
unsigned char *p;
- if(argc != 2)
+ if(argc > 2 || (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))))
{
fprintf(stderr, "Usage: %s bits\n", argv[0]);
return 1;
}
+ if(!argv[1])
+ argv[1] = "1024";
+
if(!(bits = atol(argv[1])))
{
fprintf(stderr, "Illegal number: %s\n", argv[1]);
}
fclose(fp);
- printf("%d ", bits);
- for(i = 0; i < bytes; i++)
- printf("%02x", p[i]);
- puts("");
- fprintf(stderr, ": done.\n");
+ if(isatty(1))
+ {
+ fprintf(stderr, ": done.\nThe following line should be ENTIRELY copied into a passphrase file:\n");
+ printf("%d ", bits);
+ for(i = 0; i < bytes; i++)
+ printf("%02x", p[i]);
+ puts("");
+ }
+ else
+ {
+ printf("%d ", bits);
+ for(i = 0; i < bytes; i++)
+ printf("%02x", p[i]);
+ puts("");
+ fprintf(stderr, ": done.\n");
+ }
return 0;
}