coreutils-8.25HEADcoreutils-8.25master

1 files changed, 268 insertions, 0 deletions

diff --git a/lib/uname.c b/lib/uname.c
new file mode 100644
index 0000000..8fdb0fc
--- /dev/null
+++ b/lib/uname.c
@@ -0,0 +1,268 @@
+/* uname replacement.
+   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <sys/utsname.h>
+
+/* This file provides an implementation only for the native Windows API.  */
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <windows.h>
+
+/* Mingw headers don't have all the platform codes.  */
+#ifndef VER_PLATFORM_WIN32_CE
+# define VER_PLATFORM_WIN32_CE 3
+#endif
+
+/* Some headers don't have all the processor architecture codes.  */
+#ifndef PROCESSOR_ARCHITECTURE_AMD64
+# define PROCESSOR_ARCHITECTURE_AMD64 9
+#endif
+#ifndef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
+# define PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 10
+#endif
+
+/* Mingw headers don't have the latest processor codes.  */
+#ifndef PROCESSOR_AMD_X8664
+# define PROCESSOR_AMD_X8664 8664
+#endif
+
+int
+uname (struct utsname *buf)
+{
+  OSVERSIONINFO version;
+  OSVERSIONINFOEX versionex;
+  BOOL have_versionex; /* indicates whether versionex is filled */
+  const char *super_version;
+
+  /* Preparation: Fill version and, if possible, also versionex.
+     But try to call GetVersionEx only once in the common case.  */
+  versionex.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
+  have_versionex = GetVersionEx ((OSVERSIONINFO *) &versionex);
+  if (have_versionex)
+    {
+      /* We know that OSVERSIONINFO is a subset of OSVERSIONINFOEX.  */
+      memcpy (&version, &versionex, sizeof (OSVERSIONINFO));
+    }
+  else
+    {
+      version.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
+      if (!GetVersionEx (&version))
+        abort ();
+    }
+
+  /* Fill in nodename.  */
+  if (gethostname (buf->nodename, sizeof (buf->nodename)) < 0)
+    strcpy (buf->nodename, "localhost");
+
+  /* Determine major-major Windows version.  */
+  if (version.dwPlatformId == VER_PLATFORM_WIN32_NT)
+    {
+      /* Windows NT or newer.  */
+      super_version = "NT";
+    }
+  else if (version.dwPlatformId == VER_PLATFORM_WIN32_CE)
+    {
+      /* Windows CE or Embedded CE.  */
+      super_version = "CE";
+    }
+  else if (version.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
+    {
+      /* Windows 95/98/ME.  */
+      switch (version.dwMinorVersion)
+        {
+        case 0:
+          super_version = "95";
+          break;
+        case 10:
+          super_version = "98";
+          break;
+        case 90:
+          super_version = "ME";
+          break;
+        default:
+          super_version = "";
+          break;
+        }
+    }
+  else
+    super_version = "";
+
+  /* Fill in sysname.  */
+#ifdef __MINGW32__
+  /* Returns a string compatible with the MSYS uname.exe program,
+     so that no further changes are needed to GNU config.guess.
+     For example,
+       $ ./uname.exe -s      => MINGW32_NT-5.1
+   */
+  sprintf (buf->sysname, "MINGW32_%s-%u.%u", super_version,
+           (unsigned int) version.dwMajorVersion,
+           (unsigned int) version.dwMinorVersion);
+#else
+  sprintf (buf->sysname, "Windows%s", super_version);
+#endif
+
+  /* Fill in release, version.  */
+  /* The MSYS uname.exe programs uses strings from a modified Cygwin runtime:
+       $ ./uname.exe -r      => 1.0.11(0.46/3/2)
+       $ ./uname.exe -v      => 2008-08-25 23:40
+     There is no point in imitating this behaviour.  */
+  if (version.dwPlatformId == VER_PLATFORM_WIN32_NT)
+    {
+      /* Windows NT or newer.  */
+      struct windows_version
+        {
+          int major;
+          int minor;
+          unsigned int server_offset;
+          const char *name;
+        };
+
+      /* Storing the workstation and server version names in a single
+         stream does not waste memory when they are the same.  These
+         macros abstract the representation.  VERSION1 is used if
+         version.wProductType does not matter, VERSION2 if it does.  */
+      #define VERSION1(major, minor, name) \
+        { major, minor, 0, name }
+      #define VERSION2(major, minor, workstation, server) \
+        { major, minor, sizeof workstation, workstation "\0" server }
+      static const struct windows_version versions[] =
+        {
+          VERSION2 (3, -1, "Windows NT Workstation", "Windows NT Server"),
+          VERSION2 (4, -1, "Windows NT Workstation", "Windows NT Server"),
+          VERSION1 (5, 0, "Windows 2000"),
+          VERSION1 (5, 1, "Windows XP"),
+          VERSION1 (5, 2, "Windows Server 2003"),
+          VERSION2 (6, 0, "Windows Vista", "Windows Server 2008"),
+          VERSION2 (6, 1, "Windows 7", "Windows Server 2008 R2"),
+          VERSION2 (-1, -1, "Windows", "Windows Server")
+        };
+      const char *base;
+      const struct windows_version *v = versions;
+
+      /* Find a version that matches ours.  The last element is a
+         wildcard that always ends the loop.  */
+      while ((v->major != version.dwMajorVersion && v->major != -1)
+             || (v->minor != version.dwMinorVersion && v->minor != -1))
+        v++;
+
+      if (have_versionex && versionex.wProductType != VER_NT_WORKSTATION)
+        base = v->name + v->server_offset;
+      else
+        base = v->name;
+      if (v->major == -1 || v->minor == -1)
+        sprintf (buf->release, "%s %u.%u",
+                 base,
+                 (unsigned int) version.dwMajorVersion,
+                 (unsigned int) version.dwMinorVersion);
+      else
+        strcpy (buf->release, base);
+    }
+  else if (version.dwPlatformId == VER_PLATFORM_WIN32_CE)
+    {
+      /* Windows CE or Embedded CE.  */
+      sprintf (buf->release, "Windows CE %u.%u",
+               (unsigned int) version.dwMajorVersion,
+               (unsigned int) version.dwMinorVersion);
+    }
+  else
+    {
+      /* Windows 95/98/ME.  */
+      sprintf (buf->release, "Windows %s", super_version);
+    }
+  strcpy (buf->version, version.szCSDVersion);
+
+  /* Fill in machine.  */
+  {
+    SYSTEM_INFO info;
+
+    GetSystemInfo (&info);
+    /* Check for Windows NT or CE, since the info.wProcessorLevel is
+       garbage on Windows 95. */
+    if (version.dwPlatformId == VER_PLATFORM_WIN32_NT
+        || version.dwPlatformId == VER_PLATFORM_WIN32_CE)
+      {
+        /* Windows NT or newer, or Windows CE or Embedded CE.  */
+        switch (info.wProcessorArchitecture)
+          {
+          case PROCESSOR_ARCHITECTURE_AMD64:
+            strcpy (buf->machine, "x86_64");
+            break;
+          case PROCESSOR_ARCHITECTURE_IA64:
+            strcpy (buf->machine, "ia64");
+            break;
+          case PROCESSOR_ARCHITECTURE_INTEL:
+            strcpy (buf->machine, "i386");
+            if (info.wProcessorLevel >= 3)
+              buf->machine[1] =
+                '0' + (info.wProcessorLevel <= 6 ? info.wProcessorLevel : 6);
+            break;
+          case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
+            strcpy (buf->machine, "i686");
+            break;
+          case PROCESSOR_ARCHITECTURE_MIPS:
+            strcpy (buf->machine, "mips");
+            break;
+          case PROCESSOR_ARCHITECTURE_ALPHA:
+          case PROCESSOR_ARCHITECTURE_ALPHA64:
+            strcpy (buf->machine, "alpha");
+            break;
+          case PROCESSOR_ARCHITECTURE_PPC:
+            strcpy (buf->machine, "powerpc");
+            break;
+          case PROCESSOR_ARCHITECTURE_SHX:
+            strcpy (buf->machine, "sh");
+            break;
+          case PROCESSOR_ARCHITECTURE_ARM:
+            strcpy (buf->machine, "arm");
+            break;
+          default:
+            strcpy (buf->machine, "unknown");
+            break;
+          }
+      }
+    else
+      {
+        /* Windows 95/98/ME.  */
+        switch (info.dwProcessorType)
+          {
+          case PROCESSOR_AMD_X8664:
+            strcpy (buf->machine, "x86_64");
+            break;
+          case PROCESSOR_INTEL_IA64:
+            strcpy (buf->machine, "ia64");
+            break;
+          default:
+            if (info.dwProcessorType % 100 == 86)
+              sprintf (buf->machine, "i%u",
+                       (unsigned int) info.dwProcessorType);
+            else
+              strcpy (buf->machine, "unknown");
+            break;
+          }
+      }
+  }
+
+  return 0;
+}
+
+#endif