Programming :: Smallbin Double Linked List Corrupted?

Jun 27, 2011

My application receiving SIGABRT by saying "smallbin double linked list corrupted". It is developed in C/C++ on Linux RHEL5.4

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Programming :: Traversing Inode Linked List In 2.6 Kernel?

Jan 19, 2011

I would like to complete inode information from the struct list_head structure of super block structure of vfs.System call are doing operation internally, but no system call to traverse?

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Programming :: Can Two Threads Safely Work On A Linked List Without Locking

Nov 9, 2010

I have a linked list that two threads work on simultainiousley.The first thread is adding elements to end the linked list while the second is removing them from the front. Can this be done without a lock on the linked list head when elements are beingadded/removed?

I think this lock is causing a performance hit to my application. If there isnt any safe way without it then thats fine but just thought I would check.The first thread uses this fuction to add elements to the list. Full source here. [URL]


/* Lets add the new packet to the queue. */
pthread_mutex_lock(&workers[queuenum].queue.lock); // Grab lock on queue.
if (workers[queuenum].queue.qlen == 0){ // Check if any packets are in the queue.


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Programming :: Simple Linked List C Progrom For Push And Pop Operation

Apr 23, 2011

Any simple linked list c progrom for push and pop operation. I googled for that but i didnt get any simple program.

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Debian :: What Is " 'name Of Packet.deb' Is Corrupted" - Watch List Of Corrupted Packets?

Aug 15, 2010

What is " 'name of packet.deb' is corrupted" ? How i do watch list of corrupted packets? How i do reinstall all corrupted packets?

OS: debian

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General :: How To Have A Mix Of Linked And Not Linked Files Without Linking Every File

Feb 20, 2010

I've got a shared (Windows/multiuser Linux) laptop, and I've got installed World of Warcraft and some steam games in Windows. With steam games, there is (almost) no problems. I've installed steam in Linux, and soft linked the 'steamapps' directory (per-game compatibility is another issue). With WoW, the problem is different. I would like to have almost (but not) all files. Under World of Warcraft, every file and directory must be linked except the Interface directory and WTF/ file (so every user can play with their own settings and addons). How can I have a mix of linked and not linked files without linking every file? If I link manually every file/dir, when updating from Linux other users and Windows Wow is not updated; when updating from Windows, new files remains "unlinked".

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Programming :: How Libc Is Linked In Crosscompiler Chain

Sep 10, 2010

1. I need to use clock_gettime(), in <time.h> it is: extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) __THROW; and in a successful build .so it is unsolved. In final app to lonk to this .so it is also unsolved. which lib missed in .so or app build?

2. libc include several libs, which are liked by default? say stdc++, rt? rt1/rt2 what does they do?

3. How to find which libc is used or linked?

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Red Hat / Fedora :: Grub Is Corrupted - Does Not Display The List Of Of Bootable OS Options Anymore

Nov 28, 2010

I have a PC with three partitions: C, D, E. The C: and D: partition are NTFS and C: has Windows XP on it. D: holds my data files and folders in the Windows environment. E: has CentOS version 5.x. The machine is dual bootable. When booting up Grub gave me the options to boot to CentOS (by default) or to boot into Win XP (by selecting it).

Recently I used Partition Magic to resize the D: partition. I shrank the D: partition. The freed space space was then used to create a new NTFS partition.

After the partitioning was completed, I rebooted the machine. But now Grub is having a problem. It does not display the list of of bootable OS options any more. Instead there is just a black screen with the prompt:


What am I supposed to do here?

I am afraid that after I ran Partition Magic somehow Grub is messed up. How do I recover the previous boot options? Or at the minimum, how do I make the the machine to boot into Windows XP?

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Programming :: Double Quotes Inside Double Quotes?

Jun 6, 2010

In bash I need to use some equivalent of double quotes inside double quotes (or the other way around.)I need to run the following statement to get the output of foo and store it in a variable while passing foo the $file which probably contains spaces.

variable=$(foo "$file")
The problem is that foo might return an empty string and if it does I need to catch it


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Programming :: List 4 Names From Users List And Output Them To Fbusers In Numbered Ascending Order?

Feb 2, 2010

How would I list 4 users ID numbered 10, 11, 12 and 13 from my users list and output them to a file busers where their names are numbered by ascending order? How would I accomplish that on a one line command?

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Programming :: Downloading A List Of Files From A Remote Server Using A List?

Feb 10, 2009

I am trying to get this script to work. The purpose is to download a list of modules from the the list consist of a list of module numbers. What I am trying to do is Download the file or the file name corresponding to the number in the list.the list is comma delimited. this is what I have done so far and I am a stand still.

# Wget script to retrieve modules from modules
# ----Begin of user defined values -----
# Path to wget


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Programming :: Convert From Hex String To Double In C/c++?

Apr 5, 2010

Someone know how i can convert from hex string to double in c/c++?? Example 40668472B020C49C is 180.139

reference page:

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Programming :: Using /dev/random To Generate Double?

Mar 6, 2010

I need to generate random numbers using /dev/random in C. The numbers should be of type double (64-bit floating point).The functionality should be equal to linux command "od -An -N8 -t fD /dev/random", but written in C.The prototype should be "double drand(void);".

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Programming :: Ignoring Commas Within Double Quotes?

Nov 4, 2010

I'm trying to write a bash script that has to extract values from a csv file. Problem is there are lines like this:a,b,c,"dd,dd,dd",e,f,gI'm using awk to extract the values but when I try it extract value 4 with awk I get:"ddinstead of:"dd,dd,dd"Does anyone know how to get awk to ignore commas within double quotes?

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Programming :: Double Data Type Mantissa?

Nov 23, 2010

in c/c++, double is usually 8 bytes. It has a 52-bit mantissa (or significand, or base), an 11-bit exponent, and a 1-bit sign. My question is: is the mantissa a 52-bit integer? Or is the decimal point just after the first bit. Meaning: if the mantissa was 1000110011100011 (in binary) would that make the value of the mantissa (assuming the exponent was 0) 1000110011100011, or 1.000110011100011? (in binary)

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Programming :: [C++] Writing Double Value To A Text File?

Jun 3, 2011

int main ()


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Programming :: Bubble Sort For Array Of Double?

May 10, 2010

Here's my code for bubble sort with double type

#include <stdio.h>
void swap_double( double *a, double *b )
double _t = *a;

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Programming :: Remove Double Quotes Bash?

Jul 20, 2011

grep -e XkbLayout /etc/X11/xorg.conf | grep -v "^#" | awk '{print $3}'

output = "gb"
sometimes= "us"

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Programming :: SED - Convert Double Quote To Single

Jan 21, 2010

I want to convert double quote to single quote in a text file. I tried escape characters however no success. Please find details as follows:

-sh-3.00$ sed 's/"/'/g test.txt
sed: -e expression #1, char 7: unterminated `s' command
-sh-3.00$ cat test.txt

I want "unix" to be converted to 'unix'

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Programming :: Get The Number Of Left-right-double Click?

Jan 20, 2011

can i get the ocuurance of left click-right click-double click?i need the time of ocurance and the click(left-right-double) that happend.any software?any clue..i need it in linux environment(kde or gnome)

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Programming :: C Function To Reverse The Byte Order In A Double?

Aug 12, 2010

I'm trying to write an extension to PHP which means coding in C. I'm really really rusty at C coding and was never very good at it.

Can anyone propose an efficient, safe, and [hopefully] future-proof way of reversing a double? Keep in mind that it should work on as many systems as possible and on 32- and 64-bit systems (and on ???-bit systems in the future?). Will the size of a 'double' ever change or will it always be 8 bytes?

I've tried this and it doesn't work...the compiler complains about "invalid operands to binary" because I'm trying bitwise shiftw on a non-integer.

x = (x>>56) |
((x<<40) & 0x00FF000000000000) |
((x<<24) & 0x0000FF0000000000) |
((x<<8) & 0x000000FF00000000) |


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Programming :: Ostream<< Operator With Double Variable Is Not Accurate?

Mar 27, 2010

I have tryed out this operator on program:


#include <iostream.h>
#include <iomanip.h>
#include <fstream.h>
ofstream myfile;


which definitly is not the same number. I guess somewhere in the convertion from double to char* ("<<") something is not right and what can i do to save these double numbers in an accurate manner in a file?

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Programming :: Regular Expression Double Escape For Files That End With .la ?

Mar 18, 2010

I have been battling with regular expressions and am a little lost. I want to find all my files that end with .la and have been trying this

slocate -r .la$

which finds them but also files like mozilla. The escaped full stop seems to be ignored however this works :

slocate -r \.la$

so why is the double escaping needed ?

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Programming :: Double-quotes Do Not Escape Properly (bash=python)?

May 2, 2010

I wrote the Automatik widget (you can find it at : improve it, I would like to add this one-line script into a text sensor :

top -b -n 1 | head -12 | tail -6 | sed '/top/d' | awk '{ printf "%-12.12s %-4s %-4s %-3s
" , $12,$9,$10,$2}'


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Programming :: Double Pointers / Matrix GCC (fill It One Column With Zeros And The Other With Ones)

May 26, 2011

I have a 10x2 matrix, I create said matrix and fill it one column with zeros and the other with ones, now when I print the matrix I get this:

column 1:
column 2:

The first two rows of the second column are being replaced into the last two rows of the first column, now I even checked in visual studio and it works fine there. A friend tried my code and he gets it even worse:
column 1:

column 2:

As far as I've seen it must be a problem with GCC, unfortunately I need to have this up and running in GCC no matter what.


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Programming :: Print Biggest Float And Double Exponential Notation In Java

Nov 4, 2010

How can i print the biggest float and biggest double exponential notation in Java ?

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Hardware :: Kernel Double Fault, Laptop Froze On Distro / Getting Error Double Fault: 0000 [#1] SMP?

Jun 19, 2010

My laptop's been locking up in Linux (Ubuntu, Backtrack, Puppy) periodically for a while now. When it locked up, it was always immune to the magic of SysRq, which I thought might indicate a hardware problem. It became so bad that I had to stop using the laptop.

Today, when I turned it on and tried to boot into Fedora 12, I got the following error (just once, it just locked up at various points during the splash screen after this once):

double fault: 0000 [#1] SMP
last sysfs file:
odules linked in:
Pid: 1, co m: swapper Not ta nted 2.x86_64 #VGN-T 250N
RIP: 0010:[<ff

All the seemingly missing letters were really missing, not my typos.

As you can see, kernel version is and my laptop is a Sony Vaio TZ 250N (Core 2 Duo ULV 1.2GHZ). Note that with the other remaining kernels from the updates, nothing ever happened other than the locking up. The core temperatures hover pretty high, about 55-60C peak but this is still below the critical temp. Memtest came up clean when the problem first started happening.

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Ubuntu Installation :: DEVED Error 1 "corrupted Filesystem Tarfile - Corrupted Package Archive"

Jan 24, 2010

I'm COMPLETELY new to linux. I"m running Ubuntu 9.10 and TRYING to install Devede. I have tried the Terminal, Synaptic Manger, and the Add/Remove and still keep getting this same error. I'm running a regular 32 bit Pentium 3 process to test if I like Linux or not. this is what it says: E: /var/cache/apt/archives/libavcodec-extra-52_4%3a0.5+svn20090706-2ubuntu3_i386.deb: corrupted filesystem tarfile - corrupted package archive this is not a DUAL boot computer either.

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Programming :: Active Forum / Mailing List For C Programming?

Apr 19, 2010

Just i want to ask doubts in c programming. I dont know whether this is the right place to ask doubts in c. If this is not a correct place, may i know where can i get help for c programming?is there any active forum or mailing list for c programming?

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Software :: Cd And Linked Paths ?

Oct 4, 2010

The shell is bash.

The directory path, /this/is/directory/aa, is actually linked to the path /this/is/link/aa.

So when I cd to the aa directory I am in /this/is/link/aa and there is no /this/is/link/bb hence the error with ls.

My question is how does cd understand relative paths and not return an error the way ls does?

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