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Fix compiler warning.

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This commit is contained in:
Simon Kelley
2017-05-21 22:24:43 +01:00
parent 43cdf1c3d0
commit 0fbd980639
1 changed files with 2 additions and 2 deletions
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4
src/edns0.c
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@@ -304,7 +304,7 @@ static size_t calc_subnet_opt(struct subnet_opt *opt, union mysockaddr *source)
/* http://tools.ietf.org/html/draft-vandergaast-edns-client-subnet-02 */ /* http://tools.ietf.org/html/draft-vandergaast-edns-client-subnet-02 */
int len; int len;
void *addrp; void *addrp = NULL;
int sa_family = source->sa.sa_family; int sa_family = source->sa.sa_family;
opt->source_netmask = 0; opt->source_netmask = 0;
@@ -344,7 +344,7 @@ static size_t calc_subnet_opt(struct subnet_opt *opt, union mysockaddr *source)
len = 0; len = 0;
if (opt->source_netmask != 0) if (addrp && opt->source_netmask != 0)
{ {
len = ((opt->source_netmask - 1) >> 3) + 1; len = ((opt->source_netmask - 1) >> 3) + 1;
memcpy(opt->addr, addrp, len); memcpy(opt->addr, addrp, len);