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Date: Fri, 25 May 2012 18:23:21 -0600
From: Andreas Dilger <adilger@...mcloud.com>
To: tytso@....edu, linux-ext4@...r.kernel.org
Cc: Andreas Dilger <adilger@...mcloud.com>
Subject: [PATCH] ext2fs: remove 64-bit wrappers from ext2fs.h (v2)
The creation of inline wrappers ext2fs_open() and ext2fs_stat()
in commit c859cb1de0d624caa0779fb17d1a53766143136e in ext2fs.h
caused difficulties with the use of headers, since the headers
for open64() and stat64() may already be included (and skip the
declaration of the 64-bit variants) before ext2fs.h is ever read.
There is no real way to solve the missing prototypes and resulting
compiler warnings inside ext2fs.h.
Since ext2fs_open() and ext2fs_stat() are not performance critical
operations, they do not need to be inline functions at all, and
the needed function headers can be handled properly in one file.
Similarly, posix_memalloc() was having difficulties with headers,
and was being defined in ext2fs.h, but it is now only being used
by a single file, so move the required header there.
Signed-off-by: Andreas Dilger <adilger@...mcloud.com>
---
e2fsck/logfile.c | 3 +++
lib/ext2fs/ext2fs.h | 46 ----------------------------------------------
lib/ext2fs/inline.c | 3 +++
lib/ext2fs/unix_io.c | 32 ++++++++++++++++++++++++++++++++
4 files changed, 38 insertions(+), 46 deletions(-)
diff --git a/e2fsck/logfile.c b/e2fsck/logfile.c
index 3bb15cd..9229fbf 100644
--- a/e2fsck/logfile.c
+++ b/e2fsck/logfile.c
@@ -13,6 +13,9 @@
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
#include "e2fsck.h"
#include <pwd.h>
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 9a0e736..ff088bb 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -29,10 +29,6 @@ extern "C" {
#define NO_INLINE_FUNCS
#endif
-#ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 600 /* for posix_memalign() */
-#endif
-
/*
* Where the master copy of the superblock is located, and how big
* superblocks are supposed to be. We define SUPERBLOCK_SIZE because
@@ -57,16 +53,6 @@ extern "C" {
#include <stdlib.h>
#include <string.h>
#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#ifndef __USE_XOPEN2K
-/* If the "#define _XOPEN_SOURCE 600" didn't succeed in declaring
- * posix_memalign(), maybe due to <features.h> or <stdlib.h> included beforej
- * _XOPEN_SOURCE, declare it here to avoid compiler warnings. */
-extern int posix_memalign(void **__memptr, size_t __alignment, size_t __size);
-#endif
#if EXT2_FLAT_INCLUDES
#include "e2_types.h"
@@ -1709,38 +1695,6 @@ _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b)
return ((a - 1) / b) + 1;
}
-_INLINE_ int ext2fs_open_file(const char *pathname, int flags, mode_t mode)
-{
- if (mode)
-#if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
- return open64(pathname, flags, mode);
- else
- return open64(pathname, flags);
-#else
- return open(pathname, flags, mode);
- else
- return open(pathname, flags);
-#endif
-}
-
-_INLINE_ int ext2fs_stat(const char *path, ext2fs_struct_stat *buf)
-{
-#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
- return stat64(path, buf);
-#else
- return stat(path, buf);
-#endif
-}
-
-_INLINE_ int ext2fs_fstat(int fd, ext2fs_struct_stat *buf)
-{
-#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
- return fstat64(fd, buf);
-#else
- return fstat(fd, buf);
-#endif
-}
-
#undef _INLINE_
#endif
diff --git a/lib/ext2fs/inline.c b/lib/ext2fs/inline.c
index 8e66846..eef3dda 100644
--- a/lib/ext2fs/inline.c
+++ b/lib/ext2fs/inline.c
@@ -11,6 +11,9 @@
* %End-Header%
*/
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600 /* for posix_memalign() */
+#endif
#include "config.h"
#include <stdio.h>
diff --git a/lib/ext2fs/unix_io.c b/lib/ext2fs/unix_io.c
index e66b5c8..02570f0 100644
--- a/lib/ext2fs/unix_io.c
+++ b/lib/ext2fs/unix_io.c
@@ -435,6 +435,38 @@ static errcode_t flush_cached_blocks(io_channel channel,
#endif
#endif
+int ext2fs_open_file(const char *pathname, int flags, mode_t mode)
+{
+ if (mode)
+#if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
+ return open64(pathname, flags, mode);
+ else
+ return open64(pathname, flags);
+#else
+ return open(pathname, flags, mode);
+ else
+ return open(pathname, flags);
+#endif
+}
+
+int ext2fs_stat(const char *path, ext2fs_struct_stat *buf)
+{
+#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
+ return stat64(path, buf);
+#else
+ return stat(path, buf);
+#endif
+}
+
+int ext2fs_fstat(int fd, ext2fs_struct_stat *buf)
+{
+#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
+ return fstat64(fd, buf);
+#else
+ return fstat(fd, buf);
+#endif
+}
+
static errcode_t unix_open(const char *name, int flags, io_channel *channel)
{
io_channel io = NULL;
--
1.7.3.4
--
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