Add process.platform

doc/api.txt

@@ -99,6 +99,9 @@ An object containing the user environment. See environ(7).
 +process.pid+ ::
 The PID of the process.
 
++process.platform+ ::
+What platform you're running on. +"linux2"+, +"darwin"+, etc.
+
 +process.exit(code=0)+::
 Ends the process with the specified code. By default it exits with the
 success code 0.

src/node.cc

@@ -428,11 +428,16 @@ static Local<Object> Load(int argc, char *argv[]) {
   Local<Object> global = Context::GetCurrent()->Global();
   global->Set(String::NewSymbol("process"), process);
 
-  // node.version
+  // process.version
   process->Set(String::NewSymbol("version"), String::New(NODE_VERSION));
-  // node.installPrefix
+  // process.installPrefix
   process->Set(String::NewSymbol("installPrefix"), String::New(NODE_PREFIX));
 
+  // process.platform
+#define xstr(s) str(s)
+#define str(s) #s
+  process->Set(String::NewSymbol("platform"), String::New(xstr(PLATFORM)));
+
   // process.ARGV
   int i, j;
   Local<Array> arguments = Array::New(argc - dash_dash_index + 1);

wscript

@@ -138,6 +138,11 @@ def configure(conf):
   conf.env.append_value('CCFLAGS',  '-D_FILE_OFFSET_BITS=64')
   conf.env.append_value('CXXFLAGS', '-D_FILE_OFFSET_BITS=64')
 
+  # platform
+  platform_def = '-DPLATFORM=' + sys.platform
+  conf.env.append_value('CCFLAGS', platform_def)
+  conf.env.append_value('CXXFLAGS', platform_def)
+
   # Split off debug variant before adding variant specific defines
   debug_env = conf.env.copy()
   conf.set_env_name('debug', debug_env)