xinu: Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/system/read.c Source File

00001 
00007 /* Embedded XINU, Copyright (C) 2007.  All rights reserved. */
00008 
00009 #include <kernel.h>
00010 #include <device.h>
00011 
00019 devcall read(ushort descrp, void *buffer, long count)
00020 {
00021         device *devptr;
00022 
00023         if ( isbaddev(descrp) ) { return SYSERR; }
00024         devptr = &devtab[descrp];
00025         return ( (*devptr->read)(devptr, buffer, count) );
00026 }