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by: Steven T. Hatton |
last post by:
Sorry about the big code dump. I tried to get it down to the minimum
required to demonstrate the problem. Although this is all done with GNU, I
believe the problem I'm having may be more general. Someone on the SuSE
programming mailing list suggested my problem is that I'm trying to execute
a function (I assume he meant the constructor) at compile time. The same
source code compile if I don't try to split it up into separate libraries.
...
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by: TechCrazy |
last post by:
What do each of these mean? Thanks. I am incredibly confused.
char foo (const char * &p );
char foo (const char &* p );
char foo (const &char * p );
char foo (const char * const &p );
char foo (const char * &const p );
char foo (const char &* const p );
char foo (const &char * const p );
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by: al |
last post by:
char s = "This string literal";
or
char *s= "This string literal";
Both define a string literal. Both suppose to be read-only and not to be
modified according to Standard. And both have type of "const char *".
Right? But why does the compiler I am using allow s to be modified, instead
of generating compile error?
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by: Roger Leigh |
last post by:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
A lot of functions use const pointer arguments. If I have a non-const
pointer, it is transparently made const when I pass it to the
function, e.g. char * -> const char *. However, this does not appear
to work when I add another level of indirection:
void test1 (char **value)
{}
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by: Geoffrey S. Knauth |
last post by:
It's been a while since I programmed in C++, and the language sure has
changed. Usually I can figure out why something no longer compiles, but
this time I'm stumped. A friend has a problem he hoped I could solve,
and I couldn't. Some code he's using, written in 1999, that compiled
fine in 1999, no longer does in 2006 with g++ 4.
This little bit of code:
SimS::SimS (ostream &s)
{
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by: dwaach |
last post by:
Hi,
I am trying to compile the following program,
#include <iostream>
using namespace std;
typedef char* CHAR;
typedef const CHAR CCHAR;
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by: S S |
last post by:
Hi Everyone
I have
const char *p = "Hello";
So, here memory is not allocated by C++ compiler for p and hence I
cannot access p to modify the contents to "Kello"
p = 'K'; // error at runtime
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by: d3x0xr |
last post by:
---- Section 1 ----
------
x.c
int main( void )
{
char **a;
char const *const *b;
b = a; // line(9)
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by: d3x0xr |
last post by:
Heh, spelled out in black and white even :) Const is useles...
do NOT follow the path of considering any data consatant, because in
time, you will have references to it that C does not handle, and you'll
be left with just noisy compiler warnings and confusion.
if you start a project with all char *, and char ** and even char ***,
if you begin at the low level weeding out references of 'passing const
char * to char * ( such as...
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by: Peithon |
last post by:
Hi,
This is a very simple question but I couldn't find it in your FAQ.
I'm using VC++ and compiling a C program, using the /TC flag.
I've got a function for comparing two strings
int strspcmp(const char * s1, const char * s2)
{
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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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:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
|
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: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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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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