/**
* Saves a module cache to disk, and release cache data from memory.
*/
void CacheSave (vlc_object_t *p_this, const char *dir,
module_cache_t *entries, size_t n)
{
char *filename = NULL, *tmpname = NULL;
if (asprintf (&filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1)
goto out;
if (asprintf (&tmpname, "%s.%"PRIu32, filename, (uint32_t)getpid ()) == -1)
goto out;
msg_Dbg (p_this, "saving plugins cache %s", filename);
FILE *file = vlc_fopen (tmpname, "wb");
if (file == NULL)
{
if (errno != EACCES && errno != ENOENT)
msg_Warn (p_this, "cannot create %s: %s", tmpname,
vlc_strerror_c(errno));
goto out;
}
if (CacheSaveBank (file, entries, n))
{
msg_Warn (p_this, "cannot write %s: %s", tmpname,
vlc_strerror_c(errno));
clearerr (file);
fclose (file);
vlc_unlink (tmpname);
goto out;
}
#if !defined( _WIN32 ) && !defined( __OS2__ )
vlc_rename (tmpname, filename); /* atomically replace old cache */
fclose (file);
#else
vlc_unlink (filename);
fclose (file);
vlc_rename (tmpname, filename);
#endif
out:
free (filename);
free (tmpname);
for (size_t i = 0; i < n; i++)
free (entries[i].path);
free (entries);
}
/*****************************************************************************
* SavePluginsCache: saves the plugins cache to a file
*****************************************************************************/
void CacheSave (vlc_object_t *p_this, const char *dir,
module_cache_t *const *pp_cache, size_t n)
{
char *filename, *tmpname;
if (asprintf (&filename, "%s"DIR_SEP CACHE_NAME, dir ) == -1)
return;
if (asprintf (&tmpname, "%s.%"PRIu32, filename, (uint32_t)getpid ()) == -1)
{
free (filename);
return;
}
msg_Dbg (p_this, "saving plugins cache %s", filename);
FILE *file = vlc_fopen (tmpname, "wb");
if (file == NULL)
{
if (errno != EACCES && errno != ENOENT)
msg_Warn (p_this, "cannot create %s (%m)", tmpname);
goto out;
}
if (CacheSaveBank (file, pp_cache, n))
{
msg_Warn (p_this, "cannot write %s (%m)", tmpname);
clearerr (file);
fclose (file);
vlc_unlink (tmpname);
goto out;
}
#if !defined( WIN32 ) && !defined( __OS2__ )
vlc_rename (tmpname, filename); /* atomically replace old cache */
fclose (file);
#else
vlc_unlink (filename);
fclose (file);
vlc_rename (tmpname, filename);
#endif
out:
free (filename);
free (tmpname);
}
