home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
CU Amiga Super CD-ROM 1
/
CU Amiga Magazine CD-ROM Special Edition (1995)(EMAP Images)(GB)[Issue 1995-11].iso
/
Aminet
/
comm
/
tcp
/
AmiTCPsdk_40.lha
/
AmiTCP-4.0
/
src
/
netlib
/
_close.c
< prev
next >
Wrap
C/C++ Source or Header
|
1994-09-29
|
1KB
|
86 lines
RCS_ID_C="$Id: _close.c,v 4.1 1994/09/29 23:09:02 jraja Exp $";
/*
* _close.c - close a file (SAS/C)
*
* Copyright © 1994 AmiTCP/IP Group,
* Network Solutions Development Inc.
* All rights reserved.
*/
#include <ios1.h>
#include <stdlib.h>
#include <stdio.h>
#include <dos.h>
#include <proto/dos.h>
#include <errno.h>
#include <bsdsocket.h>
int
__close(int fd)
{
struct UFB *ufb;
/*
* Check for the break signals
*/
__chkabort();
/*
* Find the ufb *
*/
if ((ufb = __chkufb(fd)) == NULL) {
/* __chkufb sets the errno to EBADF */
return -1;
}
/*
* Check if close is not needed
*/
if ((ufb->ufbflg & (UFB_NC | UFB_CLO)) != UFB_NC) {
/*
* Empty flags mean empty ufb
*/
if (ufb->ufbflg == 0) {
errno = EBADF;
return -1;
}
/*
* Close the file
*/
if (!(ufb->ufbflg & UFB_SOCK) && ufb->ufbfh != NULL) {
Close(ufb->ufbfh);
/*
* Remove the file if it was temporary
*/
if (ufb->ufbflg & UFB_TEMP && ufb->ufbfn != NULL)
remove(ufb->ufbfn);
}
}
/*
* Free the file name
*/
if (ufb->ufbfn != NULL) {
free(ufb->ufbfn);
ufb->ufbfn = NULL;
}
/*
* Clear the flags to free this ufb
*/
ufb->ufbflg = 0;
ufb->ufbfh = NULL; /* just in case */
/*
* closes the socket OR the file mark
*/
CloseSocket(fd);
return 0;
}