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Merge pull request #5866 from qlyoung/fix-ipaddr-isset

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lib: fix ipaddr_isset
This commit is contained in:
Mark Stapp 2020-02-26 15:34:50 -05:00 committed by GitHub
commit 7a7cd6e9b2
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1 changed files with 4 additions and 1 deletions
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5
lib/ipaddr.h
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@ -119,10 +119,13 @@ static inline void ipv4_mapped_ipv6_to_ipv4(struct in6_addr *in6,
memcpy(in, (char *)in6 + 12, sizeof(struct in_addr)); memcpy(in, (char *)in6 + 12, sizeof(struct in_addr));
} }
/*
* Check if a struct ipaddr has nonzero value
*/
static inline bool ipaddr_isset(struct ipaddr *ip) static inline bool ipaddr_isset(struct ipaddr *ip)
{ {
static struct ipaddr a = {}; static struct ipaddr a = {};
return (0 == memcmp(&a, ip, sizeof(struct ipaddr))); return (0 != memcmp(&a, ip, sizeof(struct ipaddr)));
} }
#ifdef __cplusplus #ifdef __cplusplus