This code performs the following operations: 1. **Sets a size value...
February 4, 2025 at 08:08 PM
This code performs the following operations:
-
Sets a size value for a track's data:
side_[0].tracks[track].size
is assigned the value6250 * 16
.- This calculates a value of
6250 * 16 = 100000
(assuming integer arithmetic). side_
is presumably an array or structure, whereside_[0]
represents the first side,tracks
is a collection of tracks, and[track]
is selecting a specific track.- The
size
field of this track is likely used to define how much memory (in bytes) is needed for a specific attribute, probably related to the track's data or information.
-
Allocates memory for the track's bitfield:
side_[0].tracks[track].bitfield
is set to point to a dynamically allocated memory block of sizeside_[0].tracks[track].size
.- The memory being allocated is an array of
unsigned char
objects (bytes) with a size ofside_[0].tracks[track].size
. This creates space for 100,000unsigned char
elements.
Purpose:
- This code prepares a track object to store some data in a
bitfield
that is100000
bytes (or 100 KB) in size. The bitfield is dynamically allocated to manage memory efficiently for this specific track.
Notes:
- Such usage of
new
requires that the programmer handles memory cleanup properly (e.g., withdelete[]
) later in the program to avoid memory leaks.
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