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Fix DNS failure of cachesize set to zero.

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Simon Kelley committed 2014-05-09 10:29:43 +01:00
1 parent 8aa999ef69
commit b692f23466
2 files changed
+14 -5
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src/blockdata.c
+10 -5
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@@ -25,7 +25,7 @@ static void blockdata_expand(int n)
{
struct blockdata *new = whine_malloc(n * sizeof(struct blockdata));
if (new)
if (n > 0 && new)
{
int i;
@@ -46,14 +46,19 @@ void blockdata_init(void)
blockdata_alloced = 0;
blockdata_count = 0;
blockdata_hwm = 0;
blockdata_expand((daemon->cachesize * 100) / sizeof(struct blockdata));
/* Note that daemon->cachesize is enforced to have non-zero size if OPT_DNSSEC_VALID is set */
if (option_bool(OPT_DNSSEC_VALID))
blockdata_expand((daemon->cachesize * 100) / sizeof(struct blockdata));
}
void blockdata_report(void)
{
my_syslog(LOG_INFO, _("DNSSEC memory in use %u, max %u, allocated %u"),
blockdata_count * sizeof(struct blockdata), blockdata_hwm * sizeof(struct blockdata), blockdata_alloced * sizeof(struct blockdata));
if (option_bool(OPT_DNSSEC_VALID))
my_syslog(LOG_INFO, _("DNSSEC memory in use %u, max %u, allocated %u"),
blockdata_count * sizeof(struct blockdata),
blockdata_hwm * sizeof(struct blockdata),
blockdata_alloced * sizeof(struct blockdata));
}
struct blockdata *blockdata_alloc(char *data, size_t len)