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authorPeter Foley <pefoley2@pefoley.com>2014-09-25 11:23:32 -0700
committerJiri Kosina <jkosina@suse.cz>2014-09-26 11:02:58 +0200
commit8c2b0dc83d9840da4d993a5dbb15c5974ad5a188 (patch)
treed1750009baa6051f3aec12087baad8700af7e3b5 /tools/include
parentv4l2-pci-skeleton: Only build if PCI is available (diff)
downloadlinux-dev-8c2b0dc83d9840da4d993a5dbb15c5974ad5a188.tar.xz
linux-dev-8c2b0dc83d9840da4d993a5dbb15c5974ad5a188.zip
Documentation: support glibc versions without htole macros
glibc 2.9 introduced the htole<16/32/64> macros, add them to tools/include to support older versions of glibc. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/tools/endian.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/include/tools/endian.h b/tools/include/tools/endian.h
new file mode 100644
index 000000000000..5d42e20ab83d
--- /dev/null
+++ b/tools/include/tools/endian.h
@@ -0,0 +1,32 @@
+#ifndef _TOOLS_ENDIAN_H
+#define _TOOLS_ENDIAN_H
+
+#include <byteswap.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+#ifndef htole16
+#define htole16(x) (x)
+#endif
+#ifndef htole32
+#define htole32(x) (x)
+#endif
+#ifndef htole64
+#define htole64(x) (x)
+#endif
+
+#else /* __BYTE_ORDER */
+
+#ifndef htole16
+#define htole16(x) __bswap_16(x)
+#endif
+#ifndef htole32
+#define htole32(x) __bswap_32(x)
+#endif
+#ifndef htole64
+#define htole64(x) __bswap_64(x)
+#endif
+
+#endif
+
+#endif /* _TOOLS_ENDIAN_H */