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//==========================================================================

//

//      lib/recvfrom.c

//

//      recvfrom() system call

//

//==========================================================================

// ####BSDALTCOPYRIGHTBEGIN####                                             

// -------------------------------------------                              

// Portions of this software may have been derived from OpenBSD             

// or other sources, and if so are covered by the appropriate copyright     

// and license included herein.                                             

// -------------------------------------------                              

// ####BSDALTCOPYRIGHTEND####                                               

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    gthomas

// Contributors: gthomas

// Date:         2000-01-10

// Purpose:      

// Description:  

//              

//

//####DESCRIPTIONEND####

//

//==========================================================================

#include <sys/param.h>

#include <cyg/io/file.h>

#include <sys/socket.h>

#include <sys/socketvar.h>

#include <sys/syscallargs.h>

ssize_t

recvfrom(int s, const void *buf, size_t buflen,

       int flags, const struct sockaddr *from, socklen_t *fromlen)

{

    struct sys_recvfrom_args args;

    int res, error;

    SYSCALLARG(args,s) = s;

    SYSCALLARG(args,buf) = (void *)buf;

    SYSCALLARG(args,len) = buflen;

    SYSCALLARG(args,flags) = flags;

    SYSCALLARG(args,from) = (struct sockaddr *)from;

    SYSCALLARG(args,fromlenaddr) = fromlen;

    error = sys_recvfrom(&args, &res);

    if (error) {

        errno = error;

        return -1;

    } else {

        return res;

    }

}