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Issue#7530 - Test for ERANGE when using 6 form gethostbyname_r

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This commit is contained in:
Quanah Gibson-Mount 2020-05-22 23:45:40 +00:00
parent c70e2e0869
commit fb1933f567
1 changed files with 6 additions and 2 deletions
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8
libraries/libldap/util-int.c
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@ -445,8 +445,12 @@ int ldap_pvt_gethostbyname_a(
*result=gethostbyname_r( name, resbuf, *buf, buflen, herrno_ptr );
r = (*result == NULL) ? -1 : 0;
#else
r = gethostbyname_r( name, resbuf, *buf,
buflen, result, herrno_ptr );
while((r = gethostbyname_r( name, resbuf, *buf, buflen, result, herrno_ptr )) == ERANGE) {
/* Increase the buffer */
buflen*=2;
if (safe_realloc(buf, buflen) == NULL)
return -1;
}
#endif
Debug2( LDAP_DEBUG_TRACE, "ldap_pvt_gethostbyname_a: host=%s, r=%d\n",