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wg: FreeBSD doesn't have EAI_NODATA 

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-02-17 19:30:05 +01:00
parent 5ecc49a62f
commit ca5d2708e0
1 changed files with 15 additions and 2 deletions
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17
src/config.c
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@ -224,8 +224,21 @@ static inline bool parse_endpoint(struct sockaddr *endpoint, const char *value)
if (!ret) if (!ret)
break; break;
timeout = timeout * 3 / 2; timeout = timeout * 3 / 2;
/* The set of return codes that are "permanent failures". All other possibilities are potentially transient. */ /* The set of return codes that are "permanent failures". All other possibilities are potentially transient.
if (ret == EAI_NONAME || ret == EAI_FAIL || ret == EAI_NODATA || timeout >= 90000000) { *
* This is according to https://sourceware.org/glibc/wiki/NameResolver which states:
* "From the perspective of the application that calls getaddrinfo() it perhaps
* doesn't matter that much since EAI_FAIL, EAI_NONAME and EAI_NODATA are all
* permanent failure codes and the causes are all permanent failures in the
* sense that there is no point in retrying later."
*
* So this is what we do, except FreeBSD removed EAI_NODATA some time ago, so that's conditional.
*/
if (ret == EAI_NONAME || ret == EAI_FAIL ||
#ifdef EAI_NODATA
ret == EAI_NODATA ||
#endif
timeout >= 90000000) {
free(mutable); free(mutable);
fprintf(stderr, "%s: `%s'\n", ret == EAI_SYSTEM ? strerror(errno) : gai_strerror(ret), value); fprintf(stderr, "%s: `%s'\n", ret == EAI_SYSTEM ? strerror(errno) : gai_strerror(ret), value);
return false; return false;