X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb-python/blobdiff_plain/31b5a1fe9593d7d5d1064433378315f8f8a4f450..49e3a113cb9d12d5c3308e64584dce2c916431a1:/pock

diff --git a/pock b/pock
index 3d9f66b..ff62d8b 100644
--- a/pock
+++ b/pock
@@ -239,7 +239,7 @@ class Sieve (object):
     n = (limit - 2)/2
     sievesz = (n + me._NBIT - 1)/me._NBIT
     me._sievemax = sievesz*me._NBIT
-    me._bits = n*[0]
+    me._bits = sievesz*[0]
 
     ## This is standard Sieve of Eratosthenes.  For each index i: if
     ## bit i is clear, then p = 2 i + 3 is prime, so set the bits
@@ -1004,20 +1004,20 @@ def __main__():
   ## Prepare an option parser.
   op = OP.OptionParser(
     usage = '''\
-pock [-qv] CMD ARGS...
+pock [-qv] [-s SIEVEBITS] CMD ARGS...
         gen NBITS
         ll NBITS NSUBBITS
         check [FILE]''',
     description = 'Generate or verify certified prime numbers.')
   op.add_option('-v', '--verbose', dest = 'verbosity',
                 action = 'count', default = 1,
-                help = 'Print mysterious runes while looking for prime numbers.')
+                help = 'print mysterious runes while looking for prime numbers')
   op.add_option('-q', '--quiet', dest = 'quietude',
                 action = 'count', default = 0,
-                help = 'be quiet while looking for prime numbers.')
+                help = 'be quiet while looking for prime numbers')
   op.add_option('-s', '--sievebits', dest = 'sievebits',
                 type = 'int', default = 32,
-                help = 'Size (in bits) of largest small prime.')
+                help = 'size (in bits) of largest small prime')
   opts, argv = op.parse_args()
   VERBOSITY = opts.verbosity - opts.quietude
   p = ProgressReporter()