}
else
{
- char str[512];
unsigned int i;
- memset( str, (uint8_t)' ', 512 );
+
+ char str[512];
+ if( i_level * 5 + 1 >= sizeof(str) )
+ return;
+
+ memset( str, ' ', sizeof(str) );
for( i = 0; i < i_level; i++ )
{
str[i*5] = '|';
}
- if MP4_BOX_TYPE_ASCII()
- sprintf( str + i_level * 5, "+ %4.4s size %d",
+ if( MP4_BOX_TYPE_ASCII() )
+ snprintf( &str[i_level * 5], sizeof(str) - 5*i_level,
+ "+ %4.4s size %d",
(char*)&p_box->i_type, (uint32_t)p_box->i_size );
else
- sprintf( str + i_level * 5, "+ c%3.3s size %d",
+ snprintf( &str[i_level * 5], sizeof(str) - 5*i_level,
+ "+ c%3.3s size %d",
(char*)&p_box->i_type+1, (uint32_t)p_box->i_size );
msg_Dbg( s, "%s", str );
}