I need to have a global variable PHP Code: volatile sig_atomic_t int Terminazione=0; but I get the error error: two or more data types in declaration specifier even if I have included signal.h.
View 2 RepliesI have perl/tk installed and working. I tried using c++/tk and had to change the #include path in the headers to find the tk.h and tcl.h. I tried compiling a simple c++ program with g++ to test that the headers are correct. the line i type at console is:
g++ test.c cpptk.cc cpptkbase.cc -o test.bin
I fixed all previous errors, except for the following.
code....
I'm trying to compile a main.c file that contains a while statement. Embedded in the while statement are functions that are being called. After the while statement, I have 2 more functions being called, one to find the average(getaverage), and one to print the results (printstuff). I also used a header file (my.h) that contains all of the needed #define and #include, along with each of the void function() statements.
There isn't any problems with the while statement/ the functions in while, but when I try and compile main.c I get the following errors:
main.c error: conflicting types for 'getaverage'
my.h error: previous declaration of 'getaverage'
and then the same thing for 'printstuff'
i am searching for a table that gives info about the result of operations (+ , - , * , /) on data types
i mean if we * int by another int, the result should be assign in long so no overflow happens.
something like that.
like what will be the result of mult unsigned int by signed it , is there tables for such operations.
I am trying to include a QWebView widget in my application. Every time I try to compile it, I just get these errors:
Code:
$ LANG=en_US make
g++ -c -pipe -O2 -march=i486 -mtune=i686 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_WEBKIT_LIB -DQT_GUI_LIB -
[code].....
Why do I still get mutiple definition of "_my_variable" error even after I used the #ifndef preprocessor in my hpp file?
This is my scenario
I have:
1. A.cpp (including X.hpp)
2. B.cpp (including X.hpp)
3. X.hpp
[Code]...
I'm trying to use "netlink" to get ip address of a Linux box. But the linux/types.h included from "linux/rtnetlink.h" introduced many conflicting type declarations with "sys/types.h".
#include <rtnetlink.h>
#include <sys/types.h>
#include <sys/socket.h>
int main (int argc, char *argv[])
{
return 0;
}
The program will demonstrate such type conflicts.
#define TRIP 6
#include <stdio.h>
char error_area(char area_code, char S, char M, char L,char N,char P, char K, char R, char
[code].....
The first line of this struct:
Code:
struct custom_int {
typedef int big_int;
[code]...
I m trying to write a program that use omapi but when put the include dhcpctl.h and isc/result.h i m but able to compile the source.
In file included from /usr/include/dhcpctl.h:38,
from rece.c:11:
/usr/local/include/omapip/omapip.h:40:22: error: dns/tsec.h: No such file or directory
In file included from /usr/include/dhcpctl.h:38,
[code]....
I tried to install bind-devel-9.3.6 and 9.3.4...and still no file...
Whats the practical diffrens between these declarations in c?
char *a_str = "hello";
char a_str[] = "hello";
you are using Calc to hold data, and you have a column of surnames. You enter True and it turns into TRUE: OO has decided you wanted a Boolean. Similarly, you enter a date as 12 Jan 09: it may appear in that format, but you can't search for Jan 09, only for 01/09. Is there any way one can set the data type of a cell as text, or prevent OO from carrying out unwanted type conversions? I suspect the answer will be no; I can't find anything in the pages, and I suspect the developers would say I should be using Base. Well, I don't want to use Base: I want my data displayed spread-sheet style There is a solution: to insert non-breaking spaces in dates and after words like "true", but it would be nice if the problem could be fixed just once.
View 5 Replies View RelatedI made 2 files which are different from the program above one is temp1.h and another is temp2.c to understand how extern is used. So here is temp1.h
Code:
#include<stdlib.h>
typedef struct node * bond;
extern int jk;
and temp2.c is
Code:
#include<stdio.h>
#include<temp1.h>
struct node {
int data;
[code]...
I had declared jk in temp1.h as an extern int so why can I not initialize it in temp2.c?
I can't remember what it's called, but this feature of VC++ basically catalogs all the functions of a project, lets you right click on a function and go directly to it's declaration or definition, do not pass go, do not collect 200 dollars. it also gives you an info bubble of the variable types as you're typing a function's name.
this is a very convenient feature, and I'd like to use it with KDevelop, or really any full C++ IDE for linux. does such a thing exist?
I have the plugin installed ok and have pasted in a C source file that I know works and am getting the following errors, I think because the linker options need to be set in some way. I cannot copy the errors but they all complain of implicit declaration of functions like this: -
warning: implicit declaration of function strlen
But I have the headers included, is this a linker problem? Here is the code -
#include <stdio.h>
#include <math.h>
int main(){
[code]...
I would like port 80 to have a small daemon running on it that detects HTTP traffic and sends a small redirect response, and any other traffic begins streaming data from my VPN daemon. I was wondering if this has already been made, or any kind of technology for detecting types of traffic and allowing you to run multiple types of servers on the same port.
View 4 Replies View RelatedWhat are the different types of API's in linux?How can we predict the kind of API we are using?And what are API layers related to?Are API's and system calls ,both are same?
View 5 Replies View Relatedi have Ubuntu10.10 (kernel-2.6.35-22-generic) installed. struct stat StatBuff;
[Code]...
I have mounted a windows share folder on /mnt. When i gave any directory within /mnt/ to stat function it fails with errorno 75. perror shows "Value too large for defined data type". Example 1 is fail but Example 2 works fine.
I guess I'm just a noob, but I notice that some C libraries (and even some C++ ones) tend to redefine the basic types with their own naming convention.
For example, OpenGL redefines the basic types:
Code: from GL/gl.h
typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLbitfield;
typedef signed char GLbyte;
typedef short GLshort;
typedef int GLint;
[Code].....
I decided to try making a programming language again after my last unsuccessful attempt, so now I figured how to write a good AST and it works great when the nodes are hard-coded into a test program. But to make a language out of it, I need a parser to build the tree according to an input file. I ran into a problem here:
YACC input file:
Code:
%{
#include "nodes/allnodes.h"
#include "Node.h"
int vars[26];
%}
%token SEMICOLON INTEGER VARIABLE IF WHILE DO OPAREN CPAREN OBRACE CBRACE
%right ASSIGN
%left NE
%left PLUS MINUS
%left TIMES DIVIDE
%% .....
As you might see, each nonterminal creates a Node* object and uses it as its value. The problem is that the literal tokens, however, don't return Node*'s and I don't know what to do. I would like to be able to convert literal tokens to nodes in the Lex file (which would avoid the problem), but the problem is with the assignment operator, which takes a Node* for the right-hand side and a variable name (not a Variable Node, because they just evaluate the the variable's value and you can't change the variable with them) for the left hand side.
I have functions which return different data like: int, char*, double...
I also have a list of datatypes (INTEGER, TEXT, REAL...) which can be returned.
I need to map a datatype with function, which purpose is to return it. Therefore, when I determine a datatype, I would like to call the required function without doing switch all the time.
My idea is to have an array of structs like this:
Code:
struct type_func_map
{
int type;
void (*func_wrapper_int)(void); //void (*func_wrapper_text)(void); void (*func_wrapper_real)(void);
};
[Code].....
can anyone provide me with the path where i can find the library files. stdio.h, sys/types.h.......
View 4 Replies View RelatedI'm using Grsync and I want to be able to plug in any drive into my laptop and run rsync on it to back up all the user documents on there to another external hdd and to exclude everything else. Working on the principle that user documents don't always appear where we'd expect I want rsync to look through the whole drive and filter what it backs up by file type. I am only having partial success, however.
I am using the 'filter' option in the 'additional options' box. I am using the command
Code:
filter='merge /home/tim/Desktop/filter'
and I am attaching the filter file I have written. (I have added the .txt extention to upload it).
I have tested this script on my home folder and here's what's going wrong. Rsync will copy the entire directory structure regardless of whether there are any files to be copied over in those directories. I am also getting only some file types getting included and not others. .odt and .ods files are copied, for instance, but not .doc or .rtf.
Are there any volatile archive for squeeze? I have been running this before on lenny, so I was sure I was getting the latest antivirus updates for ClamAV?
View 3 Replies View RelatedFor some reason I installed Volatile, as opposed to Testing... I have tried the change all Volatile to Testing process, and every time I do so, I end up with a non-working system. Is there some process I am missing in this? Here is my sources list:
[Code]...
I am using read() in c++ to get data from a serial port. However, if no data is available on the serial port the function blocks until dta arrives.Example code:
//------------------------------------------------------------
char m_readBuffer[255] = {0};
char* p_curChar = m_readBuffer;
[code]...
I'm trying to install a program (MOPAC2007) from the source code which is a 32-bit program, but I get the following errors:
[code]...
I have installed the 32-bit libraries (gcc-gfortran.i686, glib.i686, libstdc++.i686).
In the following code, I am trying to define a matrix in CCS (which is equivalent to CSR for a symmetric matrix, right ?) in ARPACK++.
I have installed and patched ARPACK++. (The matrix is not sparse, but still it should not give an error)
[code]...
Why is this so ? I have checked the values of ia and ja by running intel MKl on the matrix to find the CSR (again, CSR=CCS for symmetric matrix, right ?--I am asking this because ARPACK++ uses CCS, not CSR), and the values are the same. Is this some problem of 0 and 1 indexing ? Does ARPACK++ use 1 indexing?
I create a http client to send data to server. The code :
int main(int argc, char *argv[])
{
int sockfd;
char buffer[1024];
struct sockaddr_in server_addr;
//struct hostent *host;
int portnumber,nbytes;
[Code]...
I have some data files that should be distributed with my program. Using dist_pkgdata_DATA in Makefile.am, I get these files installed to /usr/local/data/share/package-name. The problem is that data is read-only, and my program needs to modify it. Playing with dist_sharedstate_DATA, dist_localstate_DATA, dist-data_DATA varibles, I got different installation directories, like /usr/local/com, usr/local/var, but data is always read-only.
How can I distribute modifiable data files with my package? I need some common directory for all users, or maybe local data in a user directory.