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author | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:19:41 +0100 |
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committer | Alexander Harkness <bearbin@gmail.com> | 2013-11-24 15:19:41 +0100 |
commit | 675b4aa878f16291ce33fced48a2bc7425f635ae (patch) | |
tree | 409914df27a98f65adf866da669429c4de141b6f /src/Endianness.h | |
parent | LineBlockTracer: Using the coord-based block faces. (diff) | |
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Diffstat (limited to 'src/Endianness.h')
-rw-r--r-- | src/Endianness.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/Endianness.h b/src/Endianness.h new file mode 100644 index 000000000..86eb369f5 --- /dev/null +++ b/src/Endianness.h @@ -0,0 +1,70 @@ + +#pragma once + + + + + +// Changes endianness +inline unsigned long long HostToNetwork8(const void* a_Value ) +{ + unsigned long long __HostToNetwork8; + memcpy( &__HostToNetwork8, a_Value, sizeof( __HostToNetwork8 ) ); + __HostToNetwork8 = (( ( (unsigned long long)htonl((u_long)__HostToNetwork8) ) << 32) + htonl(__HostToNetwork8 >> 32)); + return __HostToNetwork8; +} + + + + + +inline unsigned int HostToNetwork4(const void* a_Value ) +{ + unsigned int __HostToNetwork4; + memcpy( &__HostToNetwork4, a_Value, sizeof( __HostToNetwork4 ) ); + __HostToNetwork4 = ntohl( __HostToNetwork4 ); + return __HostToNetwork4; +} + + + + + +inline double NetworkToHostDouble8(const void* a_Value ) +{ +#define ntohll(x) ((((unsigned long long)ntohl((u_long)x)) << 32) + ntohl(x >> 32)) + unsigned long long buf = 0;//(*(unsigned long long*)a_Value); + memcpy( &buf, a_Value, 8 ); + buf = ntohll(buf); + double x; + memcpy(&x, &buf, sizeof(double)); + return x; +} + + + + + +inline long long NetworkToHostLong8(const void * a_Value ) +{ + unsigned long long buf = *(unsigned long long*)a_Value; + buf = ntohll(buf); + return *reinterpret_cast<long long *>(&buf); +} + + + + + +inline float NetworkToHostFloat4(const void* a_Value ) +{ + u_long buf = *(u_long*)a_Value; + buf = ntohl( buf ); + float x = 0; + memcpy( &x, &buf, sizeof(float) ); + return x; +} + + + + |