eina: change eina_file_virtualize to be able to provide a fake name.

src/lib/eina/eina_file.h

@@ -462,6 +462,7 @@ EAPI Eina_File *eina_file_open(const char *name, Eina_Bool shared) EINA_WARN_UNU
 /**
  * @brief Create a virtual file from a memory pointer.
  *
+ * @param virtual_name A virtual name for Eina_File, if #NULL, a generated one will be given
  * @param data The memory pointer to take data from
  * @param length The length of the data in memory
  * @param copy #EINA_TRUE if the data must be copied
@@ -470,7 +471,7 @@ EAPI Eina_File *eina_file_open(const char *name, Eina_Bool shared) EINA_WARN_UNU
  * @since 1.8
  */
 EAPI Eina_File *
-eina_file_virtualize(const void *data, unsigned long long length, Eina_Bool copy) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
+eina_file_virtualize(const char *virtual_name, const void *data, unsigned long long length, Eina_Bool copy) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
 
 /**
  * @brief Tell if a file is a real file or only exist in memory

src/lib/eina/eina_file_common.c

@@ -353,25 +353,31 @@ eina_file_path_sanitize(const char *path)
 }
 
 EAPI Eina_File *
-eina_file_virtualize(const void *data, unsigned long long length, Eina_Bool copy)
+eina_file_virtualize(const char *virtual_name, const void *data, unsigned long long length, Eina_Bool copy)
 {
    Eina_File *file;
    Eina_Nano_Time tp;
    long int ti;
    const char *tmpname = "/dev/mem/virtual\\/%16x";
+   int slen;
 
    // Generate an almost uniq filename based on current nsec time.
    if (_eina_time_get(&tp)) return NULL;
    ti = _eina_time_convert(&tp);
 
+   slen = virtual_name ? strlen(virtual_name) + 1 : strlen(tmpname) + 17;
+
    file = malloc(sizeof (Eina_File) +
-                 strlen(tmpname) + 17 +
+                 slen +
                  (copy ? length : 0));
    if (!file) return NULL;
 
    memset(file, 0, sizeof(Eina_File));
    file->filename = (char*) (file + 1);
-   sprintf((char*) file->filename, tmpname, ti);
+   if (virtual_name)
+     strcpy(file->filename, virtual_name);
+   else
+     sprintf((char*) file->filename, tmpname, ti);
 
    eina_lock_new(&file->lock);
    file->mtime = ti / 1000;

src/lib/evas/canvas/evas_object_image.c

@@ -377,7 +377,7 @@ evas_object_image_memfile_set(Evas_Object *eo_obj, void *data, int size, char *f
    return;
    MAGIC_CHECK_END();
 
-   f = eina_file_virtualize(data, size, EINA_TRUE);
+   f = eina_file_virtualize(NULL, data, size, EINA_TRUE);
    if (!f) return ;
    eo_do(eo_obj, evas_obj_image_mmap_set(f, key));
    eina_file_close(f);