diff options
Diffstat (limited to 'resolv/res_send.c')
| -rw-r--r-- | resolv/res_send.c | 108 |
1 files changed, 48 insertions, 60 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c index d237c9a537..19adc3e103 100644 --- a/resolv/res_send.c +++ b/resolv/res_send.c @@ -108,63 +108,46 @@ static const char rcsid[] = "$BINDId: res_send.c,v 8.38 2000/03/30 20:16:51 vixi /* From ev_streams.c. */ -static inline struct iovec -evConsIovec(void *buf, size_t cnt) { - struct iovec ret; - - memset(&ret, 0xf5, sizeof ret); - ret.iov_base = buf; - ret.iov_len = cnt; - return (ret); +static inline void +__attribute ((always_inline)) +evConsIovec(void *buf, size_t cnt, struct iovec *vec) { + memset(vec, 0xf5, sizeof (*vec)); + vec->iov_base = buf; + vec->iov_len = cnt; } /* From ev_timers.c. */ #define BILLION 1000000000 -static inline struct timespec -evTimeSpec(struct timeval tv) { - struct timespec ts; - - ts.tv_sec = tv.tv_sec; - ts.tv_nsec = tv.tv_usec * 1000; - return (ts); -} - -static inline struct timespec -evConsTime(time_t sec, long nsec) { - struct timespec x; - - x.tv_sec = sec; - x.tv_nsec = nsec; - return (x); +static inline void +evConsTime(struct timespec *res, time_t sec, long nsec) { + res->tv_sec = sec; + res->tv_nsec = nsec; } -static inline struct timespec -evAddTime(struct timespec addend1, struct timespec addend2) { - struct timespec x; - - x.tv_sec = addend1.tv_sec + addend2.tv_sec; - x.tv_nsec = addend1.tv_nsec + addend2.tv_nsec; - if (x.tv_nsec >= BILLION) { - x.tv_sec++; - x.tv_nsec -= BILLION; +static inline void +evAddTime(struct timespec *res, const struct timespec *addend1, + const struct timespec *addend2) { + res->tv_sec = addend1->tv_sec + addend2->tv_sec; + res->tv_nsec = addend1->tv_nsec + addend2->tv_nsec; + if (res->tv_nsec >= BILLION) { + res->tv_sec++; + res->tv_nsec -= BILLION; } - return (x); } -static inline struct timespec -evSubTime(struct timespec minuend, struct timespec subtrahend) { - struct timespec x; - - x.tv_sec = minuend.tv_sec - subtrahend.tv_sec; - if (minuend.tv_nsec >= subtrahend.tv_nsec) - x.tv_nsec = minuend.tv_nsec - subtrahend.tv_nsec; +static inline void +evSubTime(struct timespec *res, const struct timespec *minuend, + const struct timespec *subtrahend) { + res->tv_sec = minuend->tv_sec - subtrahend->tv_sec; + if (minuend->tv_nsec >= subtrahend->tv_nsec) + res->tv_nsec = minuend->tv_nsec - subtrahend->tv_nsec; else { - x.tv_nsec = BILLION - subtrahend.tv_nsec + minuend.tv_nsec; - x.tv_sec--; + res->tv_nsec = (BILLION + - subtrahend->tv_nsec + minuend->tv_nsec); + res->tv_sec--; } - return (x); } static inline int @@ -176,13 +159,14 @@ evCmpTime(struct timespec a, struct timespec b) { return (x < 0L ? (-1) : x > 0L ? (1) : (0)); } -static inline struct timespec -evNowTime() { +static inline void +evNowTime(struct timespec *res) { struct timeval now; if (gettimeofday(&now, NULL) < 0) - return (evConsTime(0, 0)); - return (evTimeSpec(now)); + evConsTime(res, 0, 0); + else + TIMEVAL_TO_TIMESPEC (&now, res); } #endif @@ -561,9 +545,11 @@ __libc_res_nsend(res_state statp, const u_char *buf, int buflen, res_sendhookact act; #ifdef _LIBC - act = (*statp->qhook)((struct sockaddr_in **) - &nsap, &buf, &buflen, + struct sockaddr_in *nsap4; + nsap4 = (struct sockaddr_in *) nsap; + act = (*statp->qhook)(&nsap4, &buf, &buflen, ans, anssiz, &resplen); + nsap = (struct sockaddr_in6 *) nsap4; #else act = (*statp->qhook)(&nsap, &buf, &buflen, ans, anssiz, &resplen); @@ -768,9 +754,10 @@ send_vc(res_state statp, * Send length & message */ putshort((u_short)buflen, (u_char*)&len); - iov[0] = evConsIovec(&len, INT16SZ); - iov[1] = evConsIovec((void*)buf, buflen); - if (writev(statp->_vcsock, iov, 2) != (INT16SZ + buflen)) { + evConsIovec(&len, INT16SZ, &iov[0]); + evConsIovec((void*)buf, buflen, &iov[1]); + if (TEMP_FAILURE_RETRY (writev(statp->_vcsock, iov, 2)) + != (INT16SZ + buflen)) { *terrno = errno; Perror(statp, stderr, "write failed", errno); res_nclose(statp); @@ -782,7 +769,8 @@ send_vc(res_state statp, read_len: cp = ans; len = INT16SZ; - while ((n = read(statp->_vcsock, (char *)cp, (int)len)) > 0) { + while ((n = TEMP_FAILURE_RETRY (read(statp->_vcsock, (char *)cp, + (int)len))) > 0) { cp += n; if ((len -= n) <= 0) break; @@ -998,9 +986,9 @@ send_dg(res_state statp, seconds /= statp->nscount; if (seconds <= 0) seconds = 1; - now = evNowTime(); - timeout = evConsTime(seconds, 0); - finish = evAddTime(now, timeout); + evNowTime(&now); + evConsTime(&timeout, seconds, 0); + evAddTime(&finish, &now, &timeout); wait: #ifdef _LIBC /* Convert struct timespec in milliseconds. */ @@ -1021,9 +1009,9 @@ send_dg(res_state statp, } if (n < 0) { if (errno == EINTR) { - now = evNowTime(); + evNowTime(&now); if (evCmpTime(finish, now) > 0) { - timeout = evSubTime(finish, now); + evSubTime(&timeout, &finish, &now); goto wait; } } @@ -1244,7 +1232,7 @@ pselect(int nfds, void *rfds, void *wfds, void *efds, if (sigmask) sigprocmask(SIG_SETMASK, &sigs, NULL); if (tsp) - *tsp = evTimeSpec(tv); + TIMEVAL_TO_TIMESPEC (tv, *tsp); return (n); } #endif |