archie/prospero/lib/pcompat/closedir.c

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2024-05-27 16:13:40 +02:00
/*
* Derived from Berkeley source code. Those parts are
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)closedir.c 5.8 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <errno.h>
#include <pmachine.h>
#ifdef USE_SYS_DIR_H
#include <sys/dir.h>
#else
#include <dirent.h>
#endif
/*
* close a directory.
*/
#ifdef CLOSEDIR_RET_TYPE_VOID
void
#else
int
#endif
closedir(dirp)
register DIR *dirp;
{
int fd;
fd = dirp->dd_fd;
dirp->dd_fd = -1;
dirp->dd_loc = 0;
(void)free((void *)dirp->dd_buf);
(void)free((void *)dirp);
if(fd < 0) {
if(p__delvdirentries(fd)) {
errno = EBADF;
#ifdef CLOSEDIR_RET_TYPE_VOID
return;
#else
return(-1);
#endif
}
#ifdef CLOSEDIR_RET_TYPE_VOID
return;
#else
return(0);
#endif
}
#ifdef CLOSEDIR_RET_TYPE_VOID
else return;
#else
else return(close(fd));
#endif
}