home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
CU Amiga Super CD-ROM 21
/
CU Amiga Magazine's Super CD-ROM 21 (1998)(EMAP Images)(GB)[!][issue 1998-04].iso
/
CUCD
/
Programming
/
Python-1.4
/
Source
/
Amiga
/
Python_netlib
/
fhopen.c
< prev
next >
Wrap
C/C++ Source or Header
|
1994-09-29
|
2KB
|
84 lines
RCS_ID_C="$Id: fhopen.c,v 4.1 1994/09/29 23:09:02 jraja Exp $";
/*
* fhopen.c - open level 1 file from an AmigaDOS file handle (SAS/C)
*
* Copyright © 1994 AmiTCP/IP Group,
* Network Solutions Development Inc.
* All rights reserved.
*/
#include <ios1.h>
#include <fcntl.h>
#include <stdlib.h>
#include <dos.h>
#include <string.h>
#include <errno.h>
#include <dos/dos.h>
#include <proto/dos.h>
#include <bsdsocket.h>
extern int (*__closefunc)(int);
int
fhopen(long file, int mode)
{
struct UFB *ufb;
int fd;
int flags;
/*
* Set up __closefunc (which is used at cleanup)
*/
__closefunc = __close;
/*
* Check for the break signals
*/
__chkabort();
/*
* find first free ufb
*/
ufb = __allocufb(&fd);
if (ufb == NULL)
return -1; /* errno is set by the __allocufb() */
/*
* Translate mode to ufb flags
*/
switch (mode & (O_WRONLY | O_RDWR)) {
case O_RDONLY:
if (mode & (O_APPEND | O_CREAT | O_TRUNC | O_EXCL)) {
errno = EINVAL;
return -1;
}
flags = UFB_RA;
break;
case O_WRONLY:
flags = UFB_WA;
break;
case O_RDWR:
flags = UFB_RA | UFB_WA;
break;
default:
errno = EINVAL;
return -1;
}
if (mode & O_APPEND)
flags |= UFB_APP;
if (mode & O_XLATE)
flags |= UFB_XLAT;
/*
* All done!
*/
ufb->ufbflg = flags;
ufb->ufbfh = (long)file;
ufb->ufbfn = NULL;
#if 0
if (Dup2Socket(-1, fd) < 0) /* mark the fd as used in the AmiTCP's dTable */
perror("Dup2Socket failed on " __FILE__);
#endif
return fd;
}