SSendtoByName.c File Reference

#include "syshdrs.h"

Include dependency graph for SSendtoByName.c:

Go to the source code of this file.

Functions
int	SSendtoByName (int sfd, const char *const buf, size_t size, int fl, const char *const toAddrStr, int tlen)
int	SendtoByName (int sfd, const char *const buf, size_t size, const char *const toAddrStr)

Function Documentation

SendtoByName()

int SendtoByName	(	int	sfd,
		const char *const	buf,
		size_t	size,
		const char *const	toAddrStr
	)

Definition at line 133 of file SSendtoByName.c.

{
    int result;
    struct sockaddr_in toAddr;
 
    if ((result = AddrStrToAddr(toAddrStr, &toAddr, -1)) < 0) {
        return (result);
    }
 
    do {
        result = sendto(sfd, buf, size, 0,
                (struct sockaddr *) &toAddr,
                (int) sizeof(struct sockaddr_in));
    } while ((result < 0) && (errno == EINTR));
 
    return (result);
}   /* SendtoByName */

SSendtoByName()

int SSendtoByName	(	int	sfd,
		const char *const	buf,
		size_t	size,
		int	fl,
		const char *const	toAddrStr,
		int	tlen
	)

Definition at line 73 of file SSendtoByName.c.

{
    int nwrote, tleft;
    time_t done, now;
    fd_set ss;
    struct timeval tv;
    int result;
    struct sockaddr_in toAddr;
 
    if ((result = AddrStrToAddr(toAddrStr, &toAddr, -1)) < 0) {
        return (result);
    }
 
    time(&now);
    done = now + tlen;
    nwrote = 0;
    forever {
        forever {
            if (now >= done) {
                errno = ETIMEDOUT;
                return (kTimeoutErr);
            }
            tleft = (int) (done - now);
            errno = 0;
            FD_ZERO(&ss);
            FD_SET(sfd, &ss);
            tv.tv_sec = tleft;
            tv.tv_usec = 0;
            result = select(sfd + 1, NULL, SELECT_TYPE_ARG234 &ss, NULL, SELECT_TYPE_ARG5 &tv);
            if (result == 1) {
                /* ready */
                break;
            } else if (result == 0) {
                /* timeout */
                errno = ETIMEDOUT;
                return (kTimeoutErr);
            } else if (errno != EINTR) {
                return (-1);
            }
            time(&now);
        }
 
        nwrote = sendto(sfd, buf, size, fl,
            (struct sockaddr *) &toAddr,
            (int) sizeof(struct sockaddr_in));
 
        if (nwrote >= 0)
            break;
        if (errno != EINTR)
            break;      /* Fatal error. */
    }
 
    return (nwrote);
}   /* SSendto */