[gvfs] gphoto2: Fix gphoto2 backend to work with Canon EOS 5D

[David Zeuthen <davidz src gnome org>]

commit 7cffd6b46384f0290e641784f8c5ecb7946bcff2
Author: David Zeuthen <davidz redhat com>
Date:   Fri Jun 5 18:51:45 2009 -0400

    gphoto2: Fix gphoto2 backend to work with Canon EOS 5D
    
    This bug was introduced during the 2.25 cycle as part of supporting
    multiple storage heads. Previously we didn't use basedir, now we
    do. And we failed to check if the basedir is actually set.
---
 daemon/gvfsbackendgphoto2.c             |   12 ++++++++----
 monitor/gphoto2/ggphoto2volumemonitor.c |   11 ++++++++++-
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/daemon/gvfsbackendgphoto2.c b/daemon/gvfsbackendgphoto2.c
index a21df89..9cc3851 100644
--- a/daemon/gvfsbackendgphoto2.c
+++ b/daemon/gvfsbackendgphoto2.c
@@ -56,7 +56,7 @@
 #include "gvfsicon.h"
 
 /* showing debug traces */
-#if 0
+#if 1
 #define DEBUG_SHOW_TRACES 1
 #endif
 
@@ -627,7 +627,7 @@ static void
 _gphoto2_logger_func (GPLogLevel level, const char *domain, const char *format, va_list args, void *data)
 {
   g_fprintf (stderr, "libgphoto2: %s: ", domain);
-  g_vfprintf (stderr, message, args);
+  g_vfprintf (stderr, format, args);
   va_end (args);
   g_fprintf (stderr, "\n");
 }
@@ -1340,7 +1340,9 @@ ensure_ignore_prefix (GVfsBackendGphoto2 *gphoto2_backend, GVfsJob *job)
       head = &storage_info[i];
     }
 
-  prefix = g_strdup_printf ("%s/", head->basedir);
+  /* Some cameras, such as the Canon 5D, won't report the basedir */
+  if (head->fields & GP_STORAGEINFO_BASE)
+    prefix = g_strdup_printf ("%s/", head->basedir);
 
  out:
 
@@ -1349,6 +1351,8 @@ ensure_ignore_prefix (GVfsBackendGphoto2 *gphoto2_backend, GVfsJob *job)
   else
     gphoto2_backend->ignore_prefix = prefix;
 
+  DEBUG ("Using ignore_prefix='%s'", gphoto2_backend->ignore_prefix);
+
   return TRUE;
 }
 
@@ -1992,7 +1996,7 @@ do_enumerate (GVfsBackend *backend,
   using_cached_file_list = FALSE;
 
   filename = add_ignore_prefix (gphoto2_backend, given_filename);
-  DEBUG ("enumerate (%s)", given_filename);
+  DEBUG ("enumerate ('%s', with_prefix='%s')", given_filename, filename);
 
   split_filename_with_ignore_prefix (gphoto2_backend, given_filename, &as_dir, &as_name);
   if (!is_directory (gphoto2_backend, as_dir, as_name))
diff --git a/monitor/gphoto2/ggphoto2volumemonitor.c b/monitor/gphoto2/ggphoto2volumemonitor.c
index 89a7f0b..b5ec0ec 100644
--- a/monitor/gphoto2/ggphoto2volumemonitor.c
+++ b/monitor/gphoto2/ggphoto2volumemonitor.c
@@ -452,11 +452,20 @@ get_stores_for_camera (int bus_num, int device_num)
   /* Append the data to the list */
   for (i = 0; i < num_storage_info; i++)
     {
+      const gchar *basedir;
+
       /* Ignore storage with no capacity (see bug 570888) */
       if ((storage_info[i].fields & GP_STORAGEINFO_MAXCAPACITY) &&
           storage_info[i].capacitykbytes == 0)
         continue;
-      l = g_list_prepend (l, g_strdup (storage_info[i].basedir));
+
+      /* Some cameras, such as the Canon 5D, won't report the basedir */
+      if (storage_info[i].fields & GP_STORAGEINFO_BASE)
+        basedir = storage_info[i].basedir;
+      else
+        basedir = "/";
+
+      l = g_list_prepend (l, g_strdup (basedir));
     }
 
 out: