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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 09:25:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 09:25:10 +0000
commit5dced3d1b3deca80e01415a2e35dc7972dcbfae7 (patch)
tree6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /lib/ext2fs/compiler.h
parentInitial commit. (diff)
downloade2fsprogs-5dced3d1b3deca80e01415a2e35dc7972dcbfae7.tar.xz
e2fsprogs-5dced3d1b3deca80e01415a2e35dc7972dcbfae7.zip
Adding upstream version 1.47.0.upstream/1.47.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/ext2fs/compiler.h')
-rw-r--r--lib/ext2fs/compiler.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/ext2fs/compiler.h b/lib/ext2fs/compiler.h
new file mode 100644
index 0000000..3bb3521
--- /dev/null
+++ b/lib/ext2fs/compiler.h
@@ -0,0 +1,26 @@
+#ifndef _EXT2FS_COMPILER_H
+#define _EXT2FS_COMPILER_H
+
+#include <stddef.h>
+
+#ifdef __GNUC__
+
+#ifndef __GNUC_PREREQ
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+#define __GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+#define __GNUC_PREREQ(maj, min) 0
+#endif
+#endif
+
+#define container_of(ptr, type, member) ({ \
+ __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+#else
+#define container_of(ptr, type, member) \
+ ((type *)((char *)(ptr) - offsetof(type, member)))
+#endif
+
+
+#endif /* _EXT2FS_COMPILER_H */