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IN6_ARE_ADDR_EQUAL and IN6_IS_ADDR_UNSPECIFIED are broken in glibc 2.1

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Mark Andrews 2001-07-06 06:13:19 +00:00
parent 2c50ab702f
commit f5af89cdee
1 changed files with 11 additions and 0 deletions
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11
lib/bind/port_after.h.in
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@ -132,6 +132,17 @@ struct sockaddr_storage {
extern const struct in6_addr in6addr_any;
#endif
/*
* IN6_ARE_ADDR_EQUAL and IN6_IS_ADDR_UNSPECIFIED are broken in at least
* 2.1. The macros incorrectly cast away const.
*/
#ifdef __GLIBC__
#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2)
#undef IN6_ARE_ADDR_EQUAL
#undef IN6_IS_ADDR_UNSPECIFIED
#endif
#endif
#ifndef IN6_ARE_ADDR_EQUAL
#define IN6_ARE_ADDR_EQUAL(a,b) \
(memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)