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by: Chandu |
last post by:
In using the following struct format I get the size as 593. The same C
struct is 590 if packed on byte boundary and 596 when using pragma
pack(4). I am using pack(4) and added 3 spares at the end to get by.
hdrFormat = '16s 32s 32s B 8s H 8s H 4s H H 20s 64s 64s 64s 32s 32s
64s L L B B B B B 64s 64s'
Any ideas on what I am doing wrong?
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by: fix |
last post by:
Hi all,
I am writing a program using some structs, it is not running and I
believe it is because there's some memory leak - the debugger tells me
that the code causes the problem is in the malloc function.
Is there any general rules that tell me when to allocate memory?
I thought I don't have to if it is a variable that's not a pointer, and
I have to if it is.
I am a bit confused about the arrays particularly.
In normal situations,...
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by: Sean |
last post by:
I have a struct that I wrote to test a protocol. The idea I had was
to just declare the elements of the struct in the order in which they
are sent and received as defined by the protocol. However, writing
this struct to a file produces unexpected results.
Here is a test struct I wrote:
struct Tester {
unsigned short first;
unsigned int second;
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by: GrkEngineer |
last post by:
I recently had to use someone's struct from a native app to receive data over
Udp. The struct has a array member which looked like this:
struct sensorHdr{
char sName;
};
When I tried to make this a managed struct by adding either the value struct
or ref struct I received a compile error stating that mixed types are not
supported. I understand this, but I don't know how to create a char array in
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by: Joanna Carter [TeamB] |
last post by:
Hi
struct MyStruct
{
int value = 64; // does not compile
public MyStruct()
{
value = 64; //does not compile
}
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by: Daniel Rudy |
last post by:
Is the following code legal?
typedef stuct data_type_tag {
int var1;
int var2;
int var3;
struct {
void *p;
size_t size;
unsigned int flags;
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by: hobbes992 |
last post by:
Howdy folks,
I've been working on a c project, compiling using gcc, and I've reached a problem. The assignment requires creation of a two-level directory file system. No files have to be added or deleted, however it must be initialized by a function during run-time to contain so many users which each contain so many directories of which each contain so many files. I've completed the program and have it running flawlessly without implementing...
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by: krunalb |
last post by:
Hi,
I am trying to shift unsigned long long value by 64 bits and this is
what i get
#include <stdio.h>
int main()
{
unsigned short shiftby= 64;
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by: Lane Straatman |
last post by:
I would like to write a 'struct'. I have a library that is all but
completely inappropriate for this task.
So I'm looking for C code that fills in the gaps between:
#undef whateverkeithsaysfor99compliance
#define whateverkeithsays for99compliance
int main(void
{
struct foo
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by: PawelCarqowski |
last post by:
Hallo group members,
Do You know any conversion specification for this. I imagine:
struct timeval time;
printf("%T\n", time);
regards,
Pawel
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
|
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
|
by: jinu1996 |
last post by:
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
|
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
|
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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