change to C++ version, add initial python script

Makefile

@@ -8,3 +8,4 @@ all: $(TARGET)
 
 install: $(TARGET)
 	cp $(TARGET) $(INSTALL_DIR)
+	cp $(TARGET).py $(INSTALL_DIR)

gvim-wrapper.c

@@ -1,20 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-int main(int argc, char *argv[])
-{
-    char **new_argv = malloc(sizeof(char *) * (argc + 2));
-    int i = 0;
-    new_argv[i++] = "gvim";
-    new_argv[i++] = "--remote-tab-silent";
-    for (int n = 1; n < argc; n++, i++)
-    {
-        new_argv[i] = malloc(strlen(argv[n]) + 3);
-        sprintf(new_argv[i], "\"%s\"", argv[n]);
-    }
-    new_argv[i++] = NULL;
-    execv("C:\\apps\\Vim\\vim73\\gvim.exe", (const char * const *) new_argv);
-    return -1;
-}

gvim-wrapper.cc

@@ -0,0 +1,22 @@
+#include <unistd.h>
+#include <string>
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+    string program_name = argv[0];
+    size_t pos = program_name.find_last_of("/\\");
+    string script_path =
+        (pos != string::npos)
+            ? program_name.substr(0, pos) + "/gvim-wrapper.py"
+            : "gvim-wrapper.py";
+    const char **new_argv = new const char *[argc + 2];
+    memcpy(&new_argv[2], &argv[1], argc * sizeof(new_argv[0]));
+    new_argv[0] = "pythonw.exe";
+    new_argv[1] = script_path.c_str();
+    new_argv[argc + 1] = NULL;
+    argv[0] = "gvim-wrapper.py";
+    execvp("pythonw.exe", new_argv);
+    return -1;
+}

gvim-wrapper.py

@@ -0,0 +1,10 @@
+import os
+import sys
+
+def main(argv):
+    fh = open('C:\\out.txt', 'w')
+    fh.write('called with args: "%s"\n' % ', '.join(argv))
+    fh.close()
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))