October 2004
Beginner
408 pages
9h 24m
English
Content preview from C Programming: Visual Quickstart Guide
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Avoiding Memory Leaks
You already read that it is an error if a block of memory is allocated but never returned to the pool. Such a block will be freed only when the program terminates. If the program runs for a long time and continuously allocates new blocks while forgetting to give old unused blocks back to the pool, then the program will run out of memory at some point, causing subsequent malloc() requests to fail.
If a program has such a bug, it is said to have a memory leak, because the pool of available memory has a leak in it (Figure 10.13).
Figure 10.13. Memory leaks occur when reserved blocks are not freed by an application, thereby limiting the amount of available memory.
The address returned by malloc() is the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.