Questions tagged [buffers]
The buffers tag has no usage guidance.
13
questions
2
votes
2answers
102 views
Why are prints to standard output buffered?
I'm trying to understand what is the motivation for buffering the print to standard output.
I've experienced this in multiple programming languages, a scenario where you're trying to trace a bug by ...
1
vote
1answer
118 views
Ring buffers for data with unknown maximum size
I see ring buffers are very useful with their speed and if you have a known maximum buffer length they make a lot of sense. Let's say in the scenario where you have streaming data, but the playing ...
2
votes
1answer
535 views
Multithreading with triple buffer, do I have to do the waiting for the condition variable?
I have a triple buffer implementation that is often used in threads in such a way that when new data is expected, there's always a WaitData(n) function called on the buffer (A condition variable's ...
8
votes
1answer
324 views
What type of buffer should I implement for a one-way streaming audio device?
I'm working on a project where audio data is streamed to a device. The audio data is encoded via opus and streamed at 20 ms payloads at a time. The streaming is done via TCP to avoid packet loss ...
-2
votes
1answer
148 views
how integer type can handle text stream (getchar()) in C? [closed]
While going through C programming by Ritchie and kernighan, I came across the following code.
#include<stdio.h>
int main() {
int t;
t = getchar();
while ((t=getchar()) != EOF) {
...
0
votes
2answers
1k views
Which 'InputStream' subtype is used by 'Socket' type object here?
In the below server socket program, byte stream object is used to read data from client, as mentioned - InputStream in = socket.getInputStream();
public class SingleThreadTCPServer{
...
1
vote
1answer
900 views
Query on java I/O BufferedOutputStream write() method
Below is the code that is written using byte stream non-buffer class FileInputStream and FileOutputStream with the usage of explicit user buffers.
public class FileCopyUserBuffer{
public static ...
0
votes
1answer
661 views
design for buffering or queuing data streams to replace database
We have a system (ms stack, .net, sql) that receives data from thousands of remote devices (several independent readings/min). We currently save all the data to a db as it arrives and a second service ...
1
vote
2answers
4k views
Which is better: for valid buffer length?
This is a basic question. But, I think understanding this would be helpful to play with buffers in 'C'. Thanks.
Scenario
Just a sample snippet
char *test_buff = (char *) malloc(512); //allocate 512 ...
2
votes
3answers
205 views
Efficiently “moving” data upward through a communication stack
I have implemented an application protocol stack that moves an incoming stream of data upward through several layers, as follows:
copies a TCP segment from an OS buffer to my_buffer.
after ...
5
votes
4answers
9k views
Is using a bigger buffer useful?
I use buffer for quite a long time when I need to copy a stream or read a file.
And every time I set my buffer size to 2048 or 1024, but from my point of view a buffer is like a "bucket" which ...
23
votes
9answers
4k views
Why is it so difficult to make C less prone to buffer overflows?
I'm doing a course in college, where one of the labs is to perform buffer overflow exploits on code they give us. This ranges from simple exploits like changing the return address for a function on a ...
4
votes
2answers
745 views
Data Structures: What are some common examples of problems where “buffers” come into action?
I was just wondering if there were some "standard" examples that everyone uses as a basis for explaining the nature of a problem that requires the use of a buffer. What are some well-known problems in ...
