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use tor_mem_is_zero() in more places.

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svn:r6814
This commit is contained in:
Roger Dingledine 2006-07-23 05:52:27 +00:00
parent 4280218a42
commit 0b5ad1bcfb
1 changed files with 3 additions and 4 deletions
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7
src/or/rephist.c
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@ -59,14 +59,13 @@ typedef struct or_history_t {
/** Map from hex OR identity digest to or_history_t. */
static digestmap_t *history_map = NULL;
/** Return the or_history_t for the named OR, creating it if necessary.
*/
/** Return the or_history_t for the named OR, creating it if necessary. */
static or_history_t *
get_or_history(const char* id)
{
or_history_t *hist;
if (!memcmp(id, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", DIGEST_LEN))
if (tor_mem_is_zero(id, DIGEST_LEN))
return NULL;
hist = digestmap_get(history_map, id);
@ -93,7 +92,7 @@ get_link_history(const char *from_id, const char *to_id)
orhist = get_or_history(from_id);
if (!orhist)
return NULL;
if (!memcmp(to_id, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", DIGEST_LEN))
if (tor_mem_is_zero(to_id, DIGEST_LEN))
return NULL;
lhist = (link_history_t*) digestmap_get(orhist->link_history_map, to_id);
if (!lhist) {