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authorNick Mathewson <nickm@torproject.org>2016-10-26 16:39:59 -0400
committerNick Mathewson <nickm@torproject.org>2016-10-26 16:39:59 -0400
commit77d14b5f56df69776a732612d6631b558c071fb2 (patch)
tree807537f1a66ec88a70b3528a4e38587d39cd9c48 /src/or/dirvote.c
parent6629c5c3fe16abc516660d53e50628a019047e14 (diff)
downloadtor-77d14b5f56df69776a732612d6631b558c071fb2.tar.gz
tor-77d14b5f56df69776a732612d6631b558c071fb2.zip
Small refactoring: explain G,M,E,D,T initialization
Diffstat (limited to 'src/or/dirvote.c')
-rw-r--r--src/or/dirvote.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/or/dirvote.c b/src/or/dirvote.c
index 3d23119e51..d44ed7f8c1 100644
--- a/src/or/dirvote.c
+++ b/src/or/dirvote.c
@@ -1335,7 +1335,7 @@ networkstatus_compute_consensus(smartlist_t *votes,
smartlist_t *flags;
const char *flavor_name;
uint32_t max_unmeasured_bw_kb = DEFAULT_MAX_UNMEASURED_BW_KB;
- int64_t G=0, M=0, E=0, D=0, T=0; /* For bandwidth weights */
+ int64_t G, M, E, D, T; /* For bandwidth weights */
const routerstatus_format_type_t rs_format =
flavor == FLAV_NS ? NS_V3_CONSENSUS : NS_V3_CONSENSUS_MICRODESC;
char *params = NULL;
@@ -1368,8 +1368,13 @@ networkstatus_compute_consensus(smartlist_t *votes,
}
if (consensus_method >= MIN_METHOD_FOR_INIT_BW_WEIGHTS_ONE) {
+ /* It's smarter to initialize these weights to 1, so that later on,
+ * we can't accidentally divide by zero. */
G = M = E = D = 1;
T = 4;
+ } else {
+ /* ...but originally, they were set to zero. */
+ G = M = E = D = T = 0;
}
/* Compute medians of time-related things, and figure out how many