view packages/net/tcpip/current/src/lib/write.c @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
line wrap: on
line source

//==========================================================================
//
//      lib/write.c
//
//      write() 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>

int 
write(int fd, const void *buf, size_t len)
{
    struct sys_write_args args;
    int res, error;
    SYSCALLARG(args,fd) = fd;
    SYSCALLARG(args,buf) = buf;
    SYSCALLARG(args,nbyte) = len;
    error = sys_write(&args, &res);
    if (error) {
        errno = error;
        return -1;
    } else {
        return res;
    }
}