Refactoring for portability:

 - Move chrome/common/env_util to base/sys_info
 - Move chrome/common/rand_util to base/rand_util (new), simplify its public
   interface, and fix its implementation

Patch by Paweł Hajdan, Jr. <phajdan.jr@gmail.com>

http://codereview.chromium.org/4079


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2697 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 59 insertions, 0 deletions

diff --git a/base/sys_info_posix.cc b/base/sys_info_posix.cc
index 28c8bd6..b39457d 100644
--- a/base/sys_info_posix.cc
+++ b/base/sys_info_posix.cc
@@ -8,6 +8,7 @@
 #include <errno.h>
 #include <string.h>
 #include <sys/statvfs.h>
+#include <sys/utsname.h>
 #include <unistd.h>
 
 #if defined(OS_MACOSX)
@@ -70,4 +71,62 @@ int64 SysInfo::AmountOfFreeDiskSpace(const std::wstring& path) {
   return static_cast<int64>(stats.f_bavail) * stats.f_frsize;
 }
 
+// static
+bool SysInfo::HasEnvVar(const wchar_t* var) {
+  std::string var_utf8 = WideToUTF8(std::wstring(var));
+  return getenv(var_utf8.c_str()) != NULL;
+}
+
+// static
+std::wstring SysInfo::GetEnvVar(const wchar_t* var) {
+  std::string var_utf8 = WideToUTF8(std::wstring(var));
+  char* value = getenv(var_utf8.c_str());
+  if (!value) {
+    return L"";
+  } else {
+    return UTF8ToWide(value);
+  }
+}
+
+// static
+std::string SysInfo::OperatingSystemName() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.sysname);
+}
+
+// static
+std::string SysInfo::OperatingSystemVersion() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.release);
+}
+
+// static
+std::string SysInfo::CPUArchitecture() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.machine);
+}
+
+// static
+void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) {
+  NOTIMPLEMENTED();
+}
+
+// static
+int SysInfo::DisplayCount() {
+  NOTIMPLEMENTED();
+  return 1;
+}
+
 }  // namespace base