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2002-04-19 Roland McGrath <roland@frob.com>

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* sysdeps/mach/hurd/tmpfile.c: Create a file descriptor and use fdopen.
This commit is contained in:
Roland McGrath 2002-04-20 21:32:49 +00:00
parent c238ecf709
commit 891e44e531
1 changed files with 13 additions and 4 deletions
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17
sysdeps/mach/hurd/tmpfile.c
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@ -1,5 +1,5 @@
/* Open a stdio stream on an anonymous temporary file. Hurd version.
Copyright (C) 2001 Free Software Foundation, Inc.
Copyright (C) 2001,02 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -20,7 +20,9 @@
#include <stdio.h>
#include <hurd.h>
#include <hurd/fs.h>
#include <hurd/fd.h>
#include <fcntl.h>
#include <unistd.h>
#ifdef USE_IN_LIBIO
# include <iolibio.h>
@ -37,6 +39,7 @@ tmpfile (void)
{
error_t err;
file_t file;
int fd;
FILE *f;
/* Get a port to the directory that will contain the file. */
@ -51,10 +54,16 @@ tmpfile (void)
if (err)
return __hurd_fail (err), NULL;
/* Open a stream on the port to the unnamed file.
/* Get a file descriptor for that port. POSIX.1 requires that streams
returned by tmpfile allocate file descriptors as fopen would. */
fd = _hurd_intern_fd (file, O_RDWR, 1); /* dealloc on error */
if (fd < 0)
return NULL;
/* Open a stream on the unnamed file.
It will cease to exist when this stream is closed. */
if ((f = __fopenport (file, "w+b")) == NULL)
__mach_port_deallocate (__mach_task_self (), file);
if ((f = __fdopen (fd, "w+b")) == NULL)
__close (fd);
return f;
}