mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-19 16:10:01 +00:00
706256afb6
This is required to remove temporary directories which contain temporary files. Previously, FIFO order meant that directory removal was attempted when the directory still contained files, which meant that temporary directory cleanup was essentially unsupported.
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
/* Temporary file handling for tests.
|
|
Copyright (C) 1998-2017 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
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
/* This is required to get an mkstemp which can create large files on
|
|
some 32-bit platforms. */
|
|
#define _FILE_OFFSET_BITS 64
|
|
|
|
#include <support/temp_file.h>
|
|
#include <support/temp_file-internal.h>
|
|
#include <support/support.h>
|
|
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
/* List of temporary files. */
|
|
static struct temp_name_list
|
|
{
|
|
struct temp_name_list *next;
|
|
char *name;
|
|
} *temp_name_list;
|
|
|
|
/* Location of the temporary files. Set by the test skeleton via
|
|
support_set_test_dir. The string is not be freed. */
|
|
static const char *test_dir = _PATH_TMP;
|
|
|
|
void
|
|
add_temp_file (const char *name)
|
|
{
|
|
struct temp_name_list *newp
|
|
= (struct temp_name_list *) xcalloc (sizeof (*newp), 1);
|
|
char *newname = strdup (name);
|
|
if (newname != NULL)
|
|
{
|
|
newp->name = newname;
|
|
newp->next = temp_name_list;
|
|
temp_name_list = newp;
|
|
}
|
|
else
|
|
free (newp);
|
|
}
|
|
|
|
int
|
|
create_temp_file (const char *base, char **filename)
|
|
{
|
|
char *fname;
|
|
int fd;
|
|
|
|
fname = (char *) xmalloc (strlen (test_dir) + 1 + strlen (base)
|
|
+ sizeof ("XXXXXX"));
|
|
strcpy (stpcpy (stpcpy (stpcpy (fname, test_dir), "/"), base), "XXXXXX");
|
|
|
|
fd = mkstemp (fname);
|
|
if (fd == -1)
|
|
{
|
|
printf ("cannot open temporary file '%s': %m\n", fname);
|
|
free (fname);
|
|
return -1;
|
|
}
|
|
|
|
add_temp_file (fname);
|
|
if (filename != NULL)
|
|
*filename = fname;
|
|
else
|
|
free (fname);
|
|
|
|
return fd;
|
|
}
|
|
|
|
/* Helper functions called by the test skeleton follow. */
|
|
|
|
void
|
|
support_set_test_dir (const char *path)
|
|
{
|
|
test_dir = path;
|
|
}
|
|
|
|
void
|
|
support_delete_temp_files (void)
|
|
{
|
|
while (temp_name_list != NULL)
|
|
{
|
|
/* For some tests, the temporary file removal runs multiple
|
|
times (in the parent processes and the subprocess), so do not
|
|
report a failed removal attempt. */
|
|
(void) remove (temp_name_list->name);
|
|
free (temp_name_list->name);
|
|
|
|
struct temp_name_list *next = temp_name_list->next;
|
|
free (temp_name_list);
|
|
temp_name_list = next;
|
|
}
|
|
}
|
|
|
|
void
|
|
support_print_temp_files (FILE *f)
|
|
{
|
|
if (temp_name_list != NULL)
|
|
{
|
|
struct temp_name_list *n;
|
|
fprintf (f, "temp_files=(\n");
|
|
for (n = temp_name_list; n != NULL; n = n->next)
|
|
fprintf (f, " '%s'\n", n->name);
|
|
fprintf (f, ")\n");
|
|
}
|
|
}
|