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authorNick Mathewson <nickm@torproject.org>2011-12-15 11:28:44 -0500
committerNick Mathewson <nickm@torproject.org>2011-12-15 11:28:44 -0500
commit562c974ee7913b09bc1b19e4674dea618f2c6328 (patch)
tree45e9bc7b03b295fb392317ac55a288e47832c02a /src/or/buffers.c
parent0582746e0d25ef07e925521f9e6eb272725f64ee (diff)
parent9d0777839be6642954a4c064c819d406d8bb7cb4 (diff)
downloadtor-562c974ee7913b09bc1b19e4674dea618f2c6328.tar
tor-562c974ee7913b09bc1b19e4674dea618f2c6328.tar.gz
Merge remote-tracking branch 'origin/maint-0.2.1' into maint-0.2.2
Diffstat (limited to 'src/or/buffers.c')
-rw-r--r--src/or/buffers.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/or/buffers.c b/src/or/buffers.c
index 05163637f..58e5f658b 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -397,9 +397,10 @@ buf_pullup(buf_t *buf, size_t bytes, int nulterminate)
if (buf->head->memlen >= capacity) {
/* We don't need to grow the first chunk, but we might need to repack it.*/
- if (CHUNK_REMAINING_CAPACITY(buf->head) < capacity-buf->datalen)
+ size_t needed = capacity - buf->head->datalen;
+ if (CHUNK_REMAINING_CAPACITY(buf->head) < needed)
chunk_repack(buf->head);
- tor_assert(CHUNK_REMAINING_CAPACITY(buf->head) >= capacity-buf->datalen);
+ tor_assert(CHUNK_REMAINING_CAPACITY(buf->head) >= needed);
} else {
chunk_t *newhead;
size_t newsize;