summaryrefslogtreecommitdiffstats
path: root/balkan/byteswap.h
diff options
context:
space:
mode:
authorMatt Wilson <msw@redhat.com>1999-09-11 15:43:56 +0000
committerMatt Wilson <msw@redhat.com>1999-09-11 15:43:56 +0000
commit67b133020bb2a5ba90005ac6da55a0d5d1424799 (patch)
tree68eae41b81639206b3de7dc12b4a3c1335144048 /balkan/byteswap.h
parente0e974477f07b1eb16c7553528b3f64d5d520ce5 (diff)
downloadanaconda-67b133020bb2a5ba90005ac6da55a0d5d1424799.tar.gz
anaconda-67b133020bb2a5ba90005ac6da55a0d5d1424799.tar.xz
anaconda-67b133020bb2a5ba90005ac6da55a0d5d1424799.zip
patch from jj, misc fixesbefore.po.msgmerge
Diffstat (limited to 'balkan/byteswap.h')
-rw-r--r--balkan/byteswap.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/balkan/byteswap.h b/balkan/byteswap.h
new file mode 100644
index 000000000..d271146aa
--- /dev/null
+++ b/balkan/byteswap.h
@@ -0,0 +1,59 @@
+#ifndef H_BYTESWAP
+#define H_BYTESWAP 1
+
+#include <endian.h>
+#include <stdint.h>
+
+#define swab16(x) \
+ ((uint16_t)( \
+ (((uint16_t)(x) & (uint16_t)0x00ffU) << 8) | \
+ (((uint16_t)(x) & (uint16_t)0xff00U) >> 8) ))
+#define swab32(x) \
+ ((uint32_t)( \
+ (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
+ (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
+ (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
+ (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24) ))
+#define swab64(x) \
+ ((uint64_t)( \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
+ (uint64_t)(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56) ))
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+#define cpu_to_le16(x) x
+#define cpu_to_le32(x) x
+#define cpu_to_le64(x) x
+#define le16_to_cpu(x) x
+#define le32_to_cpu(x) x
+#define le64_to_cpu(x) x
+#define cpu_to_be16(x) swab16(x)
+#define cpu_to_be32(x) swab32(x)
+#define cpu_to_be64(x) swab64(x)
+#define be16_to_cpu(x) swab16(x)
+#define be32_to_cpu(x) swab32(x)
+#define be64_to_cpu(x) swab64(x)
+
+#else
+
+#define cpu_to_le16(x) swab16(x)
+#define cpu_to_le32(x) swab32(x)
+#define cpu_to_le64(x) swab64(x)
+#define le16_to_cpu(x) swab16(x)
+#define le32_to_cpu(x) swab32(x)
+#define le64_to_cpu(x) swab64(x)
+#define cpu_to_be16(x) x
+#define cpu_to_be32(x) x
+#define cpu_to_be64(x) x
+#define be16_to_cpu(x) x
+#define be32_to_cpu(x) x
+#define be64_to_cpu(x) x
+
+#endif
+#endif