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authorroot <root@lamia.panaceas.james.local>2015-12-19 13:13:57 +0000
committerroot <root@lamia.panaceas.james.local>2015-12-19 14:18:03 +0000
commit1a2238d1bddc823df06f67312d96ccf9de2893cc (patch)
treec58a3944d674a667f133ea5a730f5037e57d3d2e /uclibc-crosstools-gcc-4.4.2-1/usr/include/mtd/jffs2-user.h
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Diffstat (limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/mtd/jffs2-user.h')
-rw-r--r--uclibc-crosstools-gcc-4.4.2-1/usr/include/mtd/jffs2-user.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/mtd/jffs2-user.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/mtd/jffs2-user.h
new file mode 100644
index 0000000..fa94b0e
--- /dev/null
+++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/mtd/jffs2-user.h
@@ -0,0 +1,34 @@
+/*
+ * JFFS2 definitions for use in user space only
+ */
+
+#ifndef __JFFS2_USER_H__
+#define __JFFS2_USER_H__
+
+/* This file is blessed for inclusion by userspace */
+#include <linux/jffs2.h>
+#include <linux/types.h>
+#include <endian.h>
+#include <byteswap.h>
+
+#undef cpu_to_je16
+#undef cpu_to_je32
+#undef cpu_to_jemode
+#undef je16_to_cpu
+#undef je32_to_cpu
+#undef jemode_to_cpu
+
+extern int target_endian;
+
+#define t16(x) ({ __u16 __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_16(__b); })
+#define t32(x) ({ __u32 __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_32(__b); })
+
+#define cpu_to_je16(x) ((jint16_t){t16(x)})
+#define cpu_to_je32(x) ((jint32_t){t32(x)})
+#define cpu_to_jemode(x) ((jmode_t){t32(x)})
+
+#define je16_to_cpu(x) (t16((x).v16))
+#define je32_to_cpu(x) (t32((x).v32))
+#define jemode_to_cpu(x) (t32((x).m))
+
+#endif /* __JFFS2_USER_H__ */