*****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
static int CacheLoadConfig ( module_t *, FILE * );
-static void CacheSaveConfig ( module_t *, FILE * );
+static int CacheSaveConfig ( module_t *, FILE * );
static char * CacheName ( void );
/* Sub-version number
FILE *file;
int i, j, i_cache;
module_cache_t **pp_cache;
- int32_t i_file_size = 0;
+ uint32_t i_file_size = 0;
libvlc_global_data_t *p_libvlc_global = vlc_global();
psz_cachedir = p_this->p_libvlc->psz_cachedir;
if( !psz_cachedir ) /* XXX: this should never happen */
{
- msg_Err( p_this, "Unable to get cache directory" );
+ msg_Err( p_this, "unable to get cache directory" );
return;
}
snprintf( psz_filename, sizeof( psz_filename ),
"%s"DIR_SEP"CACHEDIR.TAG", psz_cachedir );
file = utf8_fopen( psz_filename, "wb" );
- if( file )
+ if (file != NULL)
{
- fwrite( psz_tag, 1, strlen(psz_tag), file );
+ if (fwrite (psz_tag, 1, sizeof (psz_tag) - 1, file) != 1)
+ clearerr (file); /* what else can we do? */
fclose( file );
}
snprintf( psz_filename, sizeof( psz_filename ),
"%s"DIR_SEP"%s", psz_cachedir, CacheName() );
- msg_Dbg( p_this, "saving plugins cache file %s", psz_filename );
+ msg_Dbg( p_this, "writing plugins cache %s", psz_filename );
file = utf8_fopen( psz_filename, "wb" );
- if( !file )
- {
- msg_Warn( p_this, "could not open plugins cache file %s for writing",
- psz_filename );
- return;
- }
+ if (file == NULL)
+ goto error;
/* Empty space for file size */
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+ if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
+ goto error;
/* Contains version number */
- fprintf( file, "%s", "cache " COPYRIGHT_MESSAGE );
+ if (fputs ("cache "COPYRIGHT_MESSAGE, file) == EOF)
+ goto error;
/* Sub-version number (to avoid breakage in the dev version when cache
* structure changes) */
i_file_size = CACHE_SUBVERSION_NUM;
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+ if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1 )
+ goto error;
/* Language */
- fprintf( file, "%5.5s", _("C") );
+ if (fprintf (file, "%5.5s", _("C")) == EOF)
+ goto error;
/* Header marker */
i_file_size = ftell( file );
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+ if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
+ goto error;
i_cache = p_libvlc_global->p_module_bank->i_cache;
pp_cache = p_libvlc_global->p_module_bank->pp_cache;
- fwrite( &i_cache, sizeof(char), sizeof(i_cache), file );
-
-#define SAVE_IMMEDIATE(a) \
- fwrite( &a, sizeof(char), sizeof(a), file )
-#define SAVE_STRING(a) \
- { i_size = a ? strlen( a ) + 1 : 0; \
- fwrite( &i_size, sizeof(char), sizeof(i_size), file ); \
- if( a ) fwrite( a, sizeof(char), i_size, file ); \
+ if (fwrite( &i_cache, sizeof (i_cache), 1, file) != 1)
+ goto error;
+
+#define SAVE_IMMEDIATE( a ) \
+ if (fwrite (&a, sizeof(a), 1, file) != 1) \
+ goto error
+#define SAVE_STRING( a ) \
+ { \
+ uint16_t i_size = (a != NULL) ? (strlen (a) + 1) : 0; \
+ if ((fwrite (&i_size, sizeof (i_size), 1, file) != 1) \
+ || (a && (fwrite (a, 1, i_size, file) != i_size))) \
+ goto error; \
} while(0)
for( i = 0; i < i_cache; i++ )
{
- uint16_t i_size;
uint32_t i_submodule;
/* Save common info */
SAVE_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
/* Config stuff */
- CacheSaveConfig( pp_cache[i]->p_module, file );
+ if (CacheSaveConfig (pp_cache[i]->p_module, file))
+ goto error;
SAVE_STRING( pp_cache[i]->p_module->psz_filename );
/* Fill-up file size */
i_file_size = ftell( file );
fseek( file, 0, SEEK_SET );
- fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+ if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
+ goto error;
- fclose( file );
+ if (fclose (file) == 0)
+ return; /* success! */
+
+ file = NULL;
+error:
+ msg_Warn (p_this, "could not write plugins cache %s (%m)",
+ psz_filename);
+ if (file != NULL)
+ {
+ clearerr (file);
+ fclose (file);
+ }
}
-static void CacheSaveConfig( module_t *p_module, FILE *file )
+static int CacheSaveConfig( module_t *p_module, FILE *file )
{
uint32_t i_lines = p_module->confsize;
- uint16_t i_size;
SAVE_IMMEDIATE( p_module->i_config_items );
SAVE_IMMEDIATE( p_module->i_bool_items );
SAVE_IMMEDIATE( p_module->p_config[i].pf_callback );
}
+ return 0;
+
+error:
+ return -1;
}
/*****************************************************************************