by: Mantorok Redgormor |
last post by:
When is it that memset caused problems?
I recall from posts in the past where someone
used memset in their code that invoked undefined
behavior.
What about the following?
char the_array;
...
|
by: bob_jenkins |
last post by:
{
const void *p;
(void)memset((void *)p, ' ', (size_t)10);
}
Should this call to memset() be legal? Memset is of type
void *memset(void *, unsigned char, size_t)
Also, (void *) is the...
|
by: 69dbb24b2db3daad932c457cccfd6 |
last post by:
Hello,
I have to initialize all elements of a very big float point array to
zero. It seems memset(a, 0, len) is faster than a simple loop. I just
want to know whether it is safe to do so, since I...
|
by: jacob navia |
last post by:
Many compilers check printf for errors, lcc-win32 too. But there are
other functions that would be worth to check, specially memset.
Memset is used mainly to clear a memory zone, receiving a...
|
by: divya_rathore_ |
last post by:
Consider the dynamic allocation of a 2D array:
int **temp;
temp = new int*;
for (y=0; y<height; y++) temp = new int;
I have 2 Questions:
Does new initializes memory to 0?
|
by: Patrick Kowalzick |
last post by:
Dear all,
I have an existing piece of code with a struct with some PODs.
struct A
{
int x;
int y;
};
|
by: volunteers |
last post by:
I met a question about memset and have no idea right now. Could anybody
give a clue? Thanks
memset is sometimes used to initialize data in a constructor like the
example below. What is the...
|
by: AndersWang |
last post by:
Hi,
dose anybody here explain to me why memset would be faster than a
simple loop. I doubt about it!
In an int array scenario:
int array;
for(int i=0;i<10;i++) //ten loops
|
by: dykeinthebox |
last post by:
Consider the following program:
#include <stdlib.h>
#include <string.h>
int main( void )
{
void *p = malloc( 4 );
if ( p )
{
|
by: Gaijinco |
last post by:
I'm having a headache using memset()
Given:
int v;
memset((void*)v, 1, sizeof(v));
Can I be 100% positive than v = 1 for i 0, or there is something
else I have to do?.
|
by: DolphinDB |
last post by:
The formulas of 101 quantitative trading alphas used by WorldQuant were presented in the paper 101 Formulaic Alphas. However, some formulas are complex, leading to challenges in calculation.
Take...
|
by: DolphinDB |
last post by:
Tired of spending countless mintues downsampling your data? Look no further!
In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: Vimpel783 |
last post by:
Hello!
Guys, I found this code on the Internet, but I need to modify it a little. It works well, the problem is this: Data is sent from only one cell, in this case B5, but it is necessary that data...
|
by: jfyes |
last post by:
As a hardware engineer, after seeing that CEIWEI recently released a new tool for Modbus RTU Over TCP/UDP filtering and monitoring, I actively went to its official website to take a look. It turned...
|
by: PapaRatzi |
last post by:
Hello,
I am teaching myself MS Access forms design and Visual Basic. I've created a table to capture a list of Top 30 singles and forms to capture new entries. The final step is a form (unbound)...
|
by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
|
by: af34tf |
last post by:
Hi Guys, I have a domain whose name is BytesLimited.com, and I want to sell it. Does anyone know about platforms that allow me to list my domain in auction for free. Thank you
|