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* resolv/resolv.h (RES_SNGLKUP): Define.

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* resolv/res_init.c (res_setoptions): Recognize single-request option.
	* resolv/res_send.c (send_dg): If we sent two requests at once and
	only get one reply before timeout switch to mode where we send the
	second request only after the first answer has been received.
This commit is contained in:
Ulrich Drepper
2009-04-07 02:00:27 +00:00
parent 735be40014
commit ae06191038
4 changed files with 38 additions and 11 deletions
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3
resolv/res_init.c
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@ -540,6 +540,9 @@ res_setoptions(res_state statp, const char *options, const char *source) {
statp->options |= RES_NOCHECKNAME;
} else if (!strncmp(cp, "edns0", sizeof("edns0") - 1)) {
statp->options |= RES_USE_EDNS0;
} else if (!strncmp(cp, "single-request",
sizeof("single-request") - 1)) {
statp->options |= RES_SNGLKUP;
} else {
/* XXX - print a warning here? */
}