avoid exceptions when the user's config points to nonexistent directories

Makefile

@@ -1,8 +1,9 @@
 
 TARGET := gvim-wrapper
-CFLAGS := -mno-cygwin -std=gnu99 -mwindows
-LDFLAGS := -mno-cygwin -mwindows
+CFLAGS := -std=gnu99 -mwindows
+LDFLAGS := -mwindows -static-libgcc -static-libstdc++
 INSTALL_DIR ?= /c/apps/bin
+CXX := i686-pc-mingw32-g++
 
 all: $(TARGET)
 

gvim-wrapper.cc

@@ -1,4 +1,5 @@
 #include <unistd.h>
+#include <string.h>
 #include <string>
 
 using namespace std;
@@ -11,12 +12,12 @@ int main(int argc, char *argv[])
         (pos != string::npos)
             ? program_name.substr(0, pos) + "/gvim-wrapper.py"
             : "gvim-wrapper.py";
-    const char **new_argv = new const char *[argc + 2];
+    char **new_argv = new 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[0] = (char *)"pythonw.exe";
+    new_argv[1] = (char *)script_path.c_str();
     new_argv[argc + 1] = NULL;
-    argv[0] = "gvim-wrapper.py";
+    argv[0] = (char *)"gvim-wrapper.py";
     execvp("pythonw.exe", new_argv);
     return -1;
 }

gvim-wrapper.py

@@ -1,9 +1,16 @@
 import os
 import sys
 
+if os.path.exists('C:\\apps\\Vim\\vim74\\gvim.exe'):
+    vimdir = 'C:\\apps\\Vim\\vim74'
+elif os.path.exists('C:\\apps\\Vim\\vim73\\gvim.exe'):
+    vimdir = 'C:\\apps\\Vim\\vim73'
+else:
+    raise "Could not find Vim directory, update script"
+
 config = {
     # path to directory containing vim.exe and gvim.exe
-    'vimdir': 'C:\\apps\\Vim\\vim73',
+    'vimdir': vimdir,
     # list of (path, name) tuples defining gvim contexts
     'servers': [],
     # default server name to use if no server paths match
@@ -39,23 +46,26 @@ def get_server_name(config, fname):
         path = path.replace('\\', '/')
         if path.endswith('/*'):
             path = path[:-2]
-            for dirent in os.listdir(path):
-                query_path = os.path.join(path, dirent)
-                if os.path.isdir(query_path) and path_contains_file(query_path, fname):
-                    return name.replace('*', dirent)
+            try:
+                for dirent in os.listdir(path):
+                    query_path = os.path.join(path, dirent)
+                    if os.path.isdir(query_path) and path_contains_file(query_path, fname):
+                        return name.replace('*', dirent)
+            except:
+                pass
         else:
             if path_contains_file(path, fname):
                 return name.replace('*', os.path.basename(path))
     return config['default_server']
 
 def main(argv):
-    if (len(argv) < 2):
-        return -1
     read_config_file(config, os.path.expanduser('~/.gvim-wrapper'))
-    for fname in argv[1:]:
-        servername = get_server_name(config, fname)
-        os.execv(config['vimdir'] + '\\gvim.exe',
-                ['gvim', '--servername', servername, '--remote-tab-silent', fname])
+    fname = ' '.join(argv[1:]) if len(argv) >= 2 else ''
+    servername = get_server_name(config, fname if fname != '' else os.getcwd() + '/dum')
+    cmd = ['gvim', '--servername', '"%s"' % servername]
+    if fname != '':
+        cmd += ['--remote-tab-silent', '"%s"' % fname]
+    os.execv(config['vimdir'] + '\\gvim.exe', cmd)
 
 if __name__ == '__main__':
     sys.exit(main(sys.argv))