From 0fcc83d00eb9d0699167bf105d522e7d23a44d32 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Fri, 12 Mar 2021 08:48:35 +0100
Subject: Remove the sys package

---
 source/tanya/math/nbtheory.d | 68 +++++++++--------------------------------
 source/tanya/net/iface.d     | 72 ++------------------------------------------
 2 files changed, 17 insertions(+), 123 deletions(-)

(limited to 'source')

diff --git a/source/tanya/math/nbtheory.d b/source/tanya/math/nbtheory.d
index 3515705..25c4517 100644
--- a/source/tanya/math/nbtheory.d
+++ b/source/tanya/math/nbtheory.d
@@ -17,21 +17,8 @@ module tanya.math.nbtheory;
 import tanya.meta.trait;
 import tanya.meta.transform;
 
-version (TanyaNative)
-{
-    private extern float fabs(float) @nogc nothrow pure @safe;
-    private extern double fabs(double) @nogc nothrow pure @safe;
-    private extern real fabs(real) @nogc nothrow pure @safe;
-
-    private extern double log(double) @nogc nothrow pure @safe;
-    private extern float logf(float) @nogc nothrow pure @safe;
-    private extern real logl(real) @nogc nothrow pure @safe;
-}
-else
-{
-    import core.math : fabs;
-    import std.math : log;
-}
+import core.math : fabs;
+import std.math : log;
 
 /**
  * Calculates the absolute value of a number.
@@ -90,46 +77,19 @@ if (isFloatingPoint!T)
     static assert(is(typeof(r.abs) == real));
 }
 
-version (D_Ddoc)
-{
-    /**
-     * Calculates natural logarithm of $(D_PARAM x).
-     *
-     * Params:
-     *  T = Argument type.
-     *  x = Argument.
-     *
-     * Returns: Natural logarithm of $(D_PARAM x).
-     */
-    Unqual!T ln(T)(T x)
-    if (isFloatingPoint!T);
-}
-else version (TanyaNative)
-{
-    Unqual!T ln(T)(T x) @nogc nothrow pure @safe
-    if (isFloatingPoint!T)
-    {
-        static if (is(Unqual!T == float))
-        {
-            return logf(x);
-        }
-        else static if (is(Unqual!T == double))
-        {
-            return log(x);
-        }
-        else
-        {
-            return logl(x);
-        }
-    }
-}
-else
+/**
+ * Calculates natural logarithm of $(D_PARAM x).
+ *
+ * Params:
+ *  T = Argument type.
+ *  x = Argument.
+ *
+ * Returns: Natural logarithm of $(D_PARAM x).
+ */
+Unqual!T ln(T)(T x)
+if (isFloatingPoint!T)
 {
-    Unqual!T ln(T)(T x)
-    if (isFloatingPoint!T)
-    {
-        return log(x);
-    }
+    return log(x);
 }
 
 ///
diff --git a/source/tanya/net/iface.d b/source/tanya/net/iface.d
index 681611b..9338745 100644
--- a/source/tanya/net/iface.d
+++ b/source/tanya/net/iface.d
@@ -20,15 +20,7 @@ import tanya.meta.trait;
 import tanya.meta.transform;
 import tanya.range;
 
-version (TanyaNative)
-{
-    import mir.linux._asm.unistd;
-    import tanya.sys.linux.syscall;
-    import tanya.sys.posix.ioctl;
-    import tanya.sys.posix.net.if_;
-    import tanya.sys.posix.socket;
-}
-else version (Windows)
+version (Windows)
 {
     import tanya.sys.windows.ifdef;
     import tanya.sys.windows.iphlpapi;
@@ -52,39 +44,7 @@ else version (Posix)
 uint nameToIndex(R)(R name) @trusted
 if (isInputRange!R && is(Unqual!(ElementType!R) == char) && hasLength!R)
 {
-    version (TanyaNative)
-    {
-        if (name.length >= IF_NAMESIZE)
-        {
-            return 0;
-        }
-        ifreq ifreq_ = void;
-
-        copy(name, ifreq_.ifr_name[]);
-        ifreq_.ifr_name[name.length] = '\0';
-
-        auto socket = syscall(AF_INET,
-                              SOCK_DGRAM | SOCK_CLOEXEC,
-                              0,
-                              NR_socket);
-        if (socket <= 0)
-        {
-            return 0;
-        }
-        scope (exit)
-        {
-            syscall(socket, NR_close);
-        }
-        if (syscall(socket,
-                    SIOCGIFINDEX,
-                    cast(ptrdiff_t) &ifreq_,
-                    NR_ioctl) == 0)
-        {
-            return ifreq_.ifr_ifindex;
-        }
-        return 0;
-    }
-    else version (Windows)
+    version (Windows)
     {
         if (name.length > IF_MAX_STRING_SIZE)
         {
@@ -155,33 +115,7 @@ String indexToName(uint index) @nogc nothrow @trusted
 {
     import tanya.memory.op : findNullTerminated;
 
-    version (TanyaNative)
-    {
-        ifreq ifreq_ = void;
-        ifreq_.ifr_ifindex = index;
-
-        auto socket = syscall(AF_INET,
-                              SOCK_DGRAM | SOCK_CLOEXEC,
-                              0,
-                              NR_socket);
-        if (socket <= 0)
-        {
-            return String();
-        }
-        scope (exit)
-        {
-            syscall(socket, NR_close);
-        }
-        if (syscall(socket,
-                    SIOCGIFNAME,
-                    cast(ptrdiff_t) &ifreq_,
-                    NR_ioctl) == 0)
-        {
-            return String(findNullTerminated(ifreq_.ifr_name));
-        }
-        return String();
-    }
-    else version (Windows)
+    version (Windows)
     {
         NET_LUID luid;
         if (ConvertInterfaceIndexToLuid(index, &luid) != 0)
-- 
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