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| author | Roger Dingledine <arma@torproject.org> | 2003-12-03 08:08:07 +0000 |
|---|---|---|
| committer | Roger Dingledine <arma@torproject.org> | 2003-12-03 08:08:07 +0000 |
| commit | 05b9c35173e901825fdd3e5ddd44358942593c0c (patch) | |
| tree | 55a1b3606218bbc35cf1924ec63f5fb1fbd0b1c1 | |
| parent | f65e871bfd2575a8993e71f4c55fc395934c1b3e (diff) | |
| download | tor-05b9c35173e901825fdd3e5ddd44358942593c0c.tar tor-05b9c35173e901825fdd3e5ddd44358942593c0c.tar.gz | |
assert that nobody asks for a random number between 0 and -1
svn:r875
| -rw-r--r-- | src/common/crypto.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c index 551af8964..6b7f0c29f 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -1013,6 +1013,7 @@ int crypto_pseudo_rand_int(unsigned int max) { unsigned int val; unsigned int cutoff; assert(max < UINT_MAX); + assert(max > 0); /* don't div by 0 */ /* We ignore any values that are >= 'cutoff,' to avoid biasing the * distribution with clipping at the upper end of unsigned int's |