[anjuta] libanjuta: bgo #699330 - Implement anjuta_util_get_real_path in Windows

[Sebastien Granjoux <sgranjoux src gnome org>]

commit f39aeb3149327404c74b19b79413ac1d9c951732
Author: Arnel A. Borja <kyoushuu yahoo com>
Date:   Sun Apr 7 00:17:27 2013 +0800

    libanjuta: bgo #699330 - Implement anjuta_util_get_real_path in Windows
    
    Use GetFullPathName to get the real path.

 libanjuta/anjuta-utils.c |   41 ++++++++++++++++++++++++++++++++++++-----
 1 files changed, 36 insertions(+), 5 deletions(-)
---
diff --git a/libanjuta/anjuta-utils.c b/libanjuta/anjuta-utils.c
index 64145f1..6506b7b 100644
--- a/libanjuta/anjuta-utils.c
+++ b/libanjuta/anjuta-utils.c
@@ -45,9 +45,6 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>
-#ifndef G_OS_WIN32
-#include <pwd.h>
-#endif
 
 #include <gio/gio.h>
 #include <glib/gi18n.h>
@@ -55,6 +52,13 @@
 #include <glib/gstdio.h>
 #include <gtk/gtk.h>
 
+#ifndef G_OS_WIN32
+#include <pwd.h>
+#else
+#define WIN32_MEAN_AND_LEAN
+#include <windows.h>
+#endif
+
 #include <libanjuta/anjuta-utils.h>
 #include <libanjuta/anjuta-debug.h>
 #include <libanjuta/interfaces/ianjuta-editor-cell.h>
@@ -761,7 +765,8 @@ anjuta_util_get_real_path (const gchar *path)
        if (path != NULL)
        {
                gchar *result;
-#ifdef PATH_MAX
+#ifndef G_OS_WIN32
+#  ifdef PATH_MAX
                gchar buf[PATH_MAX+1];
 
                result = realpath (path, buf);
@@ -770,7 +775,7 @@ anjuta_util_get_real_path (const gchar *path)
                        *(buf + PATH_MAX) = '\0'; /* ensure a terminator */
                        return g_strdup (buf);
                }
-#else
+#  else
                char *buf;
                /* the string returned by realpath should be cleaned with
                   free(), not g_free() */
@@ -781,6 +786,32 @@ anjuta_util_get_real_path (const gchar *path)
                        free (buf);
                        return result;
                }
+#  endif
+#else
+               char dummy;
+               int rc, len;
+
+               /* Get length of path */
+               rc = GetFullPathName (path, 1, &dummy, NULL);
+               if (rc == 0)
+               {
+                       /* Weird failure */
+                       return g_strdup (path);
+               }
+
+               len = rc + 1;
+               result = g_malloc (len);
+
+               /* Get the real path */
+               rc = GetFullPathName (path, len, result, NULL);
+               if (rc == 0 || rc > len)
+               {
+                       /* Another weird failure */
+                       g_free (result);
+                       return g_strdup (path);
+               }
+
+               return result;
 #endif
        }
        return NULL;