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Merge r658 from libarchive.googlecode.com: Only flush and close the

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file if it was actually opened.  Test for this case.
This commit is contained in:
Tim Kientzle 2009-03-07 02:09:21 +00:00
parent 3381df89e8
commit 5e9641ba0a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=189473
3 changed files with 63 additions and 23 deletions
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48
lib/libarchive/archive_read_open_filename.c
View file

@ -238,30 +238,32 @@ file_close(struct archive *a, void *client_data)
(void)a; /* UNUSED */
/*
* Sometimes, we should flush the input before closing.
* Regular files: faster to just close without flush.
* Devices: must not flush (user might need to
* read the "next" item on a non-rewind device).
* Pipes and sockets: must flush (otherwise, the
* program feeding the pipe or socket may complain).
* Here, I flush everything except for regular files and
* device nodes.
*/
if (!S_ISREG(mine->st_mode)
&& !S_ISCHR(mine->st_mode)
&& !S_ISBLK(mine->st_mode)) {
ssize_t bytesRead;
do {
bytesRead = read(mine->fd, mine->buffer,
mine->block_size);
} while (bytesRead > 0);
/* Only flush and close if open succeeded. */
if (mine->fd >= 0) {
/*
* Sometimes, we should flush the input before closing.
* Regular files: faster to just close without flush.
* Devices: must not flush (user might need to
* read the "next" item on a non-rewind device).
* Pipes and sockets: must flush (otherwise, the
* program feeding the pipe or socket may complain).
* Here, I flush everything except for regular files and
* device nodes.
*/
if (!S_ISREG(mine->st_mode)
&& !S_ISCHR(mine->st_mode)
&& !S_ISBLK(mine->st_mode)) {
ssize_t bytesRead;
do {
bytesRead = read(mine->fd, mine->buffer,
mine->block_size);
} while (bytesRead > 0);
}
/* If a named file was opened, then it needs to be closed. */
if (mine->filename[0] != '\0')
close(mine->fd);
}
/* If a named file was opened, then it needs to be closed. */
if (mine->filename[0] != '\0')
close(mine->fd);
if (mine->buffer != NULL)
free(mine->buffer);
free(mine->buffer);
free(mine);
return (ARCHIVE_OK);
}

1
lib/libarchive/test/Makefile
View file

@ -29,6 +29,7 @@ TESTS= \
test_read_data_large.c \
test_read_disk.c \
test_read_extract.c \
test_read_file_nonexistent.c \
test_read_format_ar.c \
test_read_format_cpio_bin.c \
test_read_format_cpio_bin_Z.c \

37
lib/libarchive/test/test_read_file_nonexistent.c Normal file
View file

@ -0,0 +1,37 @@
/*-
* Copyright (c) 2003-2009 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "test.h"
__FBSDID("$FreeBSD$");
DEFINE_TEST(test_read_file_nonexistent)
{
struct archive* a = archive_read_new();
assertEqualInt(ARCHIVE_OK, archive_read_support_format_all(a));
assertEqualInt(ARCHIVE_FATAL,
archive_read_open_filename(a, "notexistent.tar", 512));
archive_read_finish(a);
}