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fix error cases in gethostbyaddr_r

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EAI_MEMORY is not possible (but would not provide errno if it were)
and EAI_FAIL does not provide errno. treat the latter as EBADMSG to
match how it's handled in gethostbyname2_r (it indicates erroneous or
failure response from the nameserver).
This commit is contained in:
Rich Felker 2022-09-19 19:12:09 -04:00
parent f9827fc7da
commit dc9285ad1d
1 changed files with 3 additions and 2 deletions
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5
src/network/gethostbyaddr_r.c
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@ -54,9 +54,10 @@ int gethostbyaddr_r(const void *a, socklen_t l, int af,
case EAI_OVERFLOW: case EAI_OVERFLOW:
return ERANGE; return ERANGE;
default: default:
case EAI_MEMORY:
case EAI_SYSTEM:
case EAI_FAIL: case EAI_FAIL:
*err = NO_RECOVERY;
return EBADMSG;
case EAI_SYSTEM:
*err = NO_RECOVERY; *err = NO_RECOVERY;
return errno; return errno;
case 0: case 0: