UNIX/Linux Programming - C++ Forum - August 2010 (Page 2)

I'm working with a network device driver and I would like to dump the source DMA memory to the kernel message file for inspection. I think this means I need to...

[2 replies] Last: Oops, I entered that into the post wrong. char data_in_memory[le... (by jhd1013)

by blade2008

Problem with Makefile

Hi, Here is my makefile http://pastie.org/1104332. I am trying to compile different .c files and .s files (assembly files) from different sub directories int...

[no replies]

by blade2008

Patternrule and Autogenerating Prerequisites in Makefile

Hi, I have a question about makefile pattern rules and auto generating prerequisites. Example: foo.o : test1.c header1.h header2.h $(CC) $(CF...

[2 replies] Last: I do it like this, uses gcc -M to generate dependencies. simple d... (by bigearsbilly)

by korg

Execv query

I have written a daemon which closes all std file descriptors. Now this deamon fork-exec's a shell script. Since the script has a number of echo's and i need a ...

[2 replies] Last: Thanks jsmith ! Wonderful solution... (by korg)

by hakermania

Error in reading a text file

this text file contains 2 paths separated by space: /home/alex/Documents/my\ current\ projects/megauploader.zip /home/alex/Documents/my\ current\ projects/pcn...

[1 reply] : Ammm never mind, I used Getline instead. (by hakermania)

by suma046

STL Map Using more CPU

Hi, I am using STL Map for storing 20000 records. I am inserting, finding and erasing records from this Map. But these operations are taking CPU usage of 20% f...

[3 replies] Last: But these operations are taking CPU usage of 20% for 20000 records. ... (by Athar)

by Eman96

GTK/wxWidgets gui bug,image problem

Thanks in advance for reading this. I am using Ubuntu Linux 10.4 LTS, wxWidgets 2.8, and Gtk 2.* (I'm not sure which version, there are too many packages) Wh...

[1 reply] : This was solved in the wxWidgets forums see http://wxforum.shadonet.co... (by Eman96)

by gjohncock

converting string.c_str to const char

Hi, Complete noob here... Running OpenSUSE 11.2 in Sun VirtualBox 3.2.8 r54453 Installed MySQL connectors for C, Linux - Generic version Compiling with ...

[5 replies] Last: brilliant! that works. Thank you. very much appreciated. I clearly... (by gjohncock)

by KenSoGCN

CPU consumes of MySQL's API

Hi all, I have a process calls MySQL's APIs (like mysql_real_query). But I encountered that the process consumes CPU a lot as the same as the MySQL itself when ...

[no replies]

by wenli wang

the open() function of gcc3.4.6(redhat linux enterprise4.8)

Hi, Dear experts,I have a question about open() function of gcc3.4.6.I write a example: using namespace std; #include<iostream> #include<fstream> int main(...

[7 replies] Last: Yeah,it's OK.Thank you very much. (by wenli wang)

by Craig Pemberton

How to read a memory map printout?

Hi all, I'm looking at a memory map printed by gdb. While most of the output seems intuitive, there are some things which are not directly obvious. I read th...

[3 replies] Last: Here is an easier to read hand-edited version of the above output. ... (by Craig Pemberton)

by gumaze

delete operator with multidimensional array (not 2D vector)

I'm having problem when trying to delete the object from main function. My matrix class class Matrix { private: int **matrix; int nRow; ...

[4 replies] Last: Thanks... I see the light now! I was forgetting that has "new" only in... (by gumaze)

by bhatiaharsh

Linking error

Hi, I am facing some problems with linking the libraries in my projects. I am using qmake to generate the make files. I used the "same" pro files to generate...

[2 replies] Last: Right. Changing the order of libraries did the trick. I knew the 'unre... (by bhatiaharsh)

by hypocorism

Appending a string and passing it through a function. POD error

I need to have string data read from a profile box using gtkmm and then passed through a function. I keep getting a "POD cannot be passed through" error. I'm aw...

[no replies]

by jsookiki

stl_alloc.h gone missing in GCC4.x?

Hi everyone, I am in the process of porting an application from a BSD platform onto a Linux box. When compiling, I have found that some of the header files cal...

[no replies]

by iamatallone

Statvfs issues....

I wrote a program (code bellow) to get the disk sizes information and yet it does not seem to multiply the values right. did i do something wrong? #include <s...

[4 replies] Last: Thank you! (by iamatallone)

by ibwood

Windows API vs. Linux API

Hi all, I am trying to transfer some c++ code, originally made in windows, into linux language. I knew it would not be easy, since the two APIs are completel...

[6 replies] Last: You create ms1, ms2, ms3 and ms4 from the type unsigned. I'm not sure,... (by Kyon)

by closed account ypfz3TCk

Program to get data from a website

Hi, I'm working on a project in unix / Linux that will use a c++ program to get data from a website, parse it and present it formatted in a certain way. I'm sti...

[2 replies] Last: Thanks I'm looking into this now (by closed account ypfz3TCk)

by RobinQi1

How to selectively pick static/dynamic link library

Hi! All: Could someone please tell me how could I selectively link libary as static/dynamic. e.g. if I have: libxx.a xx.so libyy.a yy.so How do I instru...

[1 reply] : man gcc (by moorecm)

by fuzzylr

C++ Command line parsing

I am new to programing. I am sure I am missing something simple. I just want take my switch and check if it's used or not. However, the else statement keeps ...

[10 replies] Last: Thank you. i will study this. (by fuzzylr)

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UNIX/Linux Programming - August 2010 (Page 2)