by: john smith |
last post by:
Can someone please explain to me what is happening when I do a malloc(0).
This is what I did.
int* p = (int*)malloc(0);
Then I printed the value of p and of course it was non-null.
But...
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by: Richard Hunt |
last post by:
I'm sorry for asking such a silly question, but I can't quite get my head
around malloc. Using gcc I have always programmed in a lax C/C++ hybrid
(which I suppose is actually c++). But I have...
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by: Brian Blais |
last post by:
Hello,
I saw on a couple of recent posts people saying that casting the return
value of malloc is bad, like:
d=(double *) malloc(50*sizeof(double));
why is this bad? I had always thought...
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by: Rano |
last post by:
/*
Hello,
I've got some troubles with a stupid program...
In fact, I just start with the C language and sometime
I don't understand how I really have to use malloc.
I've readden the FAQ...
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by: spasmous |
last post by:
main()
{
float * f;
initialize_f(f);
// ...use f for processing
free(f);
}
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by: Martin Jørgensen |
last post by:
Hi,
I have a (bigger) program with about 15-30 malloc's in it (too big to
post it here)... The last thing I tried today was to add yet another
malloc **two_dimensional_data. But I found out that...
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by: James Dow Allen |
last post by:
The gcc compiler treats malloc() specially! I have no
particular question, but it might be fun to hear from
anyone who knows about gcc's special behavior.
Some may find this post interesting;...
|
by: Why Tea |
last post by:
What happens to the pointer below?
SomeStruct *p;
p = malloc(100*sizeof(SomeStruct)); /* without a cast */
return((void *)(p+1)); /* will the returned pointer point
to the 2nd...
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by: desktop |
last post by:
I have read in Bjarne Stroustrup that using malloc and free should be
avoided in C++ because they deal with uninitialized memory and one
should instead use new and delete.
But why is that a...
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by: raphfrk |
last post by:
I am having an issue with malloc and gcc. Is there something wrong
with my code or is this a compiler bug ?
I am running this program:
#include <stdio.h>
#include <stdlib.h>
typedef...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
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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,...
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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,...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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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...
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