C++ :: Compiling Errors With Timestamp Code?

Mar 28, 2013

I've written a simple program that output's my name, course, and a time date stamp.

Having researched the code to do so, I've used the includes for both the ctime and time.h libraries.

I leveraged localtime_s and asctime_s to actually convert to string etc., and the program runs fine when I step through it in Visual Studio.

However, we're working with CGI and this program will ultimately be called up from the cgi-bin directory of a web server. The first thing that needs to be done after copying it to the webserver is to compile it. That's where my problem occurs.

Using the console command: g++ lab5a.cpp -o lab5a.exe the file is supposed to compile and be converted to a .exe.

However, instead I receive errors:

localtime_s was not declared in this scope
asctime_s was not declared in this scope

I "believe" it's because of the included libraries, but not sure.

They are:

HTML Code:
#include <iostream>
#include <ctime>
#include <time.h>

Here's the actual timestamp block of code:

HTML Code:
//Begin date and time instructions
time_t curTime;
struct tm locTime;
const int TimeStrLen = 26;

[Code] ....

Of course, I go on to error check and complete the block, but you get the picture.

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C :: Redefinition Errors In When Compiling

Sep 8, 2013

have several linux header files included and when I compile my program I get the below errors..Am I NOT supposed to use some of these headers? Source is below as well.Looking through the headers mentioned in these errors, it's looking like stuff really is defined in multiple places...

Code:

codeblox@Lubuntu-pc:~/Programming/C/Network/MITM/src$ gcc -g -o mitm *.c
In file included from mitm.h:12:0,
from create_raw.c:1:
/usr/include/netpacket/packet.h:22:8: error: redefinition of ‘struct sockaddr_ll’
In file included from /usr/include/linux/netdevice.h:30:0,
from /usr/include/linux/if_arp.h:26,
from mitm.h:10,
from create_raw.c:1:
}

[code]....

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C++ :: Cmath Errors Compiling DOOM

Mar 30, 2013

I've recently downloaded the original DOOM source code from id Software's GitHub page. I decided it would be fun to port it to Windows 7. I created a new Win32 application within Microsoft Visual Studio 2010 Professional, added all the DOOM files to the project, and hit compile. I got a ton of odd errors, so I switched the project from C++ to C and hit compile again. I got a few more errors, which I've mostly resolved (they come from the fact that the DOOM code I downloaded was written for Linux in 1993), and an error on nearly every symbol in cmath. The errors are C2059 and C2061. A little bit of digging around online revealed that these errors come from including cmath in a C project. However, I can find no reference to cmath in my code files.

A little more digging around online revealed that certain C++ files, like fstream, include cmath. I removed all of those that I could, but to no avail. How I can get rid of these errors?

All the code in this project so far can be found at [URL] ....

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C++ :: Compiling Errors In Template Class?

Mar 22, 2014

what my compiling errors mean, and what I should do to fix them: The following is my header & Implementation files. Note, the purpose of this class is a built in Array.

Header File:

#ifndef ARRAY_H
#define ARRAY_H
#include <iostream>

[Code].....

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C++ :: Ignore Code When Compiling?

Sep 7, 2012

In a rather large codebase, there is a set of recurring calls to a couple vararg functions (mainly for logging)

Code: logthis(foo, bar(), somefunction(parameter1,parameter2), somethingelse);

The number of parameters to this function is variable It has all types of variables, function calls, etc.

The code has thousands of these lines

There is now a need for a special version of the compile that will remove a lot of the code, among others is the logging.

Can I somehow #define the "logthis" name into something that'll remove all actual calls to the code. including the actual parameters/expressions to the call.

I can't afford to add #ifdef/#endif around each of the calls because there are too many of them, and because that'll cause some undisired side effects in our code conformance tests.

Code: #define logthis __noop

comes close, that removes the call, but it still causes the compiler to evaluate and validate all the parameters to the logthis function, which doesn't work because in this case, removing the logging headers also removes other members of the class that get used as part of the parameters to logthis()

if I could define logthis into // resulting in all the rest of the line being comments, but that doesn't work.

Preferably I'd like something to be portable, but I'll take a solution that only works on visual studio as well.

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C :: Code Blocks Not Compiling Project - BattleShip Game

Nov 26, 2013

I'm trying to compile my project, but is not working, the weird thing is if i put all the code in 1 file it compile, but not in a project, source code:

Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <windows.h>

[Code] ....

CodeBlocks Project file: Download BattleShip-ProyectoARREGLADO.rar from Sendspace

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C/C++ :: Compiling Source Code And Making Binary File

Apr 19, 2014

How to compile this source code and make a binary file

I think this need linux and run make command or gcc

This binary is a super user for android

source code attached

Attached File(s) : su.zip (7.59K)

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C++ :: Searching For Errors Within A Code

Dec 17, 2014

i use cygwin and i have a program that was returning an error saying "undefined reference" and i figured out that i misspelled a word. how can i search for the misspelling in the input mode, if ive just completed a very large program and dont want to scroll through possibly 300+ lines of input? im not totally out the loop, but i know i can "vim program.cpp" to open the program, but before clicking "i" to actually edit, there must be a way to search a word

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C++ :: Errors When Trying To Debug The Code (SFML)

May 22, 2014

I'm currently just trying C++ with SFML. So I've installe SFML 2.0 for Visual C++ 2010 Express 64 bit, and I get an error while trying to run the debug of my code.

//Libraries
#include <SFML/Graphics.hpp>
#include <iostream>
int main() {
sf::RenderWindow window(sf::VideoMode(1280, 720),"SFML Game1");
return 0;
}

And this is the result I'm getting when trying to run it

1
1>LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

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C++ :: Code Blocks No Longer Giving Any Useful Errors

Jun 8, 2013

I'm using Code:Blocks 12.11 on windows 7, with the built-in MinGW compiler. When I try and compile a program that has an error in it (misnamed variable, missing include, extra semi-colon somewhere, anything) instead of saying something about what went wrong it just has this:

Process terminated with status 1 (0 minutes, 0 seconds)
0 errors, 0 warnings (0 minutes, 0 seconds)

Which is not particularly useful for debugging.

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C++ :: Linear Interpolation Code For X And Y Axis - Compile Errors

Oct 15, 2012

When trying to compile, I am receiving errors which I am assuming are pretty generic and common:

lin_interp.c:21: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
lin_interp.c:100: error: expected '{' at end of input

I am just trying to get the code to work for now. I have created a program similar to this which worked in C++, but the code isn't jiving in C.

Code:
// Lin_Interp.c : Defines the entry point for the console application.
//
#include "PACRXPlc.h" /* Include file applicable for all targets */
#include "ctkInitCBlock.h"
#include "string.h"
#include "math.h"
#include "stdlib.h"
#include <time.h>
#include <ctype.h>
#include <stdio.h>
/* Constants / #defines */
// Print-Out on console "XY LIMIT ARRAY" XYlim

[Code] .....

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C++ :: OpenGL Test Code With GLFW And GLEW Compile Errors

Jul 7, 2013

I'm learning OpenGL 3.2+ with GLFW and GLEW.

I'm learning it through this series of tutorials [URL] but when I run the first code:

#include <iostream>
#include <cstdlib>
#include <GL/glfw.h>
#define GLEW_STATIC
#include <GL/glew.h>
int main() {
glfwInit();
glewExperimental = GL_TRUE;

[code]....

(Then i have the glew.h that is about 17000 lines of code)

I get this errors:

c:archivos de programacodeblocksmingwin..libgccmingw324.7.1........includeGLglew.h|84|error: #error gl.h included before glew.h|
c:archivos de programacodeblocksmingwin..libgccmingw324.7.1........includeGLglew.h|1793|error: 'GLchar' does not name a type|
c:archivos de programacodeblocksmingwin..libgccmingw324.7.1........includeGLglew.h|1804|error: 'GLchar' has not been declared|

[code]....

What I'm doing wrong?

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C++ :: Program To Convert Timestamp To Hour And Days

Jan 17, 2015

I need to write a program that converts timestamp to hour and days.

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C/C++ :: How To Calculate NTP Timestamp To Unix Epoch Time

Mar 18, 2015

I have been trying for several months to create a simple SNTP single Client/Server based on RFC5905. Finally I manage to make it work at least I think it works correctly, but when I tried to test my code against a real NTP server (e.g. 0.se.pool.ntp.org:123) the timestamps that I am receiving need to be recalculated. I have tried several different approaches but no matter for 3 days now but no matter what I tried nothing yet.

The problem that I am having in not so much programming error is more about knowing how the NTP server operates.

How to convert the NTP timestamp to Unix epoch timestamp?

Syntax to execute the Server e.g. ./server 127.0.0.1:5000 and Client e.g. ./client 127.0.0.1:5000

Syntax to execute the Client against a real NTP server e.g. ./client 0.se.pool.ntp.org:123

Sample of working code Client:

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>

[code]....

Sample of printed output when I use Server and Client.

Reference Identifier 0 LOCL
Reference Timestamp 0.0 1426637081.3564398733
Originate Timestamp 1426637087.3570333925 1426637087.3570333925
Receive Timestamp 1426637087.3570334078 1426637087.3570334003
Transmit Timestamp 1426637087.3570333925 1426637087.3570334046

Sample of printed output when I am probing a real NTP server (e.g. 0.se.pool.ntp.org:123).

Reference Identifier 0 $
Reference Timestamp 0.0 3879449560.3503094062
Originate Timestamp 1426637090.3573978972 1426637090.3573978972
Receive Timestamp 1426637090.3573992772 2722083800.781009125
Transmit Timestamp 1426637090.3573978972 2722083800.937312997

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C/C++ :: Error Compiling A DLL

Jul 25, 2014

I'm having a constant error in my DLL regarding one simple function: I get the error:

double *(double)' differs in levels of indirection from 'double (double)'

The declaration is:

extern EXP32 double *FAR PASCAL_CONV utc2tdb(double jd);

What can be the problem?

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C++ :: Xcode 4 Not Compiling?

Mar 20, 2012

I'm taking an intro to c++ class and during an exercise I ran into multiple errors that are out of my knowledge to fix. The rest of the class is using Visual and that is all the instructor knows so i'm in my own figuring out Xcode. Basically I wrote the same program twice but one has a different struct and I get all sorts of errors with it. understand what the errors are and why they occurred.

The working program is this:

#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>
using namespace std;
struct point {
public:
double x1,y1;
double x2,y2;

[code]....

This program does not compile and I get the following errors:

stl_iterator_base_types.h

1) Symantic Issue
No type named 'value_type' in 'myPoint'
2) Symantic Issue
No type named 'iterator_category in 'myPoint'
3) Symantic Issue
No type named 'difference_type' in 'myPoint'
4) Symantic Issue
No type named 'pointer' in 'myPoint'
5) Symantic Issue
No type named 'reference' in 'myPoint'

Why does one work and the other doesn't!?

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Visual C++ :: Compiling On X86 CPU?

Apr 30, 2015

I'm compiling some open source code (originally written for Linux / gcc) which uses the following line to determine if a particular section is being compiled for an x86 processor:-

Code:
#if ( defined(__x86_64__) || defined(__i386__) )

neither of those seems to be defined by my ageing compiler (VC++ 8.0). What would be the equivalent for building with VC8 ?

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C :: Compiling Makefile - Error

Feb 5, 2013

I've a problem compiling my makefile. The additional files are enclosed.

the error I get:
$make ./main
gcc -ggdb main.c
/tmp/ccPIxwjP.o: In function `main':
/home/ilan/Embedded_linux/Lesson-2-Makefiles/lesson-2.1/main.c:6: undefined reference to `func1'
/home/ilan/Embedded_linux/Lesson-2-Makefiles/lesson-2.1/main.c:7: undefined reference to `func2'
collect2: error: ld returned 1 exit status
make: *** [main.o] Error 1
$

Code:
my make file:
main : main.o file1.o file2.o
gcc -ggdb main.o file1.o file2.o -o gdb-main
main.o : main.c file1.h file2.h

[Code] .....

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C :: Compiling 2 Files In Linux Gcc

Sep 22, 2014

I want to use two separate files in 1 program, but cannot get it to work. I don't know if it's my files or the compiling thats wrong. I have never used 2 files in my programs so far. Only used #include <stdio.h>.

Here are my files:
extern_static.c Code: extern int i;
int main(void)
{

[Code]....

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C :: Structure - Why Error Comes When Compiling With GCC

Mar 18, 2014

Code:

#include<stdio.h>
#include<strings.h>
main() {
} struct employ {
char name[50];
float age ;

[Code] .....

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C :: Error When Compiling WHILE Statement

Mar 6, 2013

Code:
/* Demonstrates using the gets() return value. */
#include <stdio.h>
/* Declare a character array to hold input, and a pointer. */
char input[257], *ptr;

[Code]....

I just got this from the book that I am using and it is for testing for input of a blank line and readers are being warned in using this format (line 18):

Code: while ( (*ptr = gets(input)) != NULL)

What is the correct syntax if a gcc compiler is to be used?

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C++ :: FTP Program Compiling A File?

Mar 28, 2013

I have a FTP server, client program and thus I can easily transfer files, however what I want is to modify the program such that server receives a c/c++ file, compiles the output, and sends a text file back to the client containing the output. The program should also take note that errors are also transferred.

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C++ :: Program Got Crashed On Compiling?

Jun 25, 2014

I'm working for implementing the binary search tree .Everything looks fine but on compiling the code , the program got crashed .

code :

#include<iostream>
#include<stdio.h>
using namespace std;

[Code]......

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C/C++ :: Compiling With One Header File?

Oct 21, 2014

I am trying to compile two programs using the same header file and definitions. makefile part to make this work.

================================
My headerfile looks like this:
#ifdef ONE
void hello(int s);
#else

[Code]....

How can I include the flag -DONE in my makefile so that
it includes void hello(int s); for "one" and
int pin;
int verification(char* name);
for "two"

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C :: Conflicting Types Error When Compiling A Lib

Dec 24, 2014

I'm trying to compile a library for use with PoLabs Pokeys 56U USB device (PoKeys56U) on Linux Mint 17 64-bit.

I'm using the information from here - New cross-platform library for all PoKeys devices - MyPokeys

When I run

sudo make -f Makefile.noqmake install

I get the following errors;In file included from PoKeysLibCore.c:22:0:

PoKeysLib.h:38:28: error: conflicting types for "int64_t"
typedef long long int64_t;
^
In file included from /usr/include/stdlib.h:314:0,
from PoKeysLibCore.c:21:

[Code] ....

Here is the offending code from the header file;

Code:
#ifndef __POKEYSLIB
#define __POKEYSLIB
#define USE_STD_INT

#ifdef USE_STD_INT
#include "stdint.h"

[Code] ....

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C :: Best Process For Cross Compiling Application

Oct 26, 2013

I'm creating a small command line game in C. I have never done anything cross platforms, but this is small enough (so far) that it might not be too bad.

When I am done, I'm not sure how it will be distributed: Either I will just send people the C files and say "compile on your system with these options", or I will just have executables for various systems. Probably Windows 7/8, Ubuntu, CentOS, and whatever I can find to test on.

I right now I'm testing/developing on Windows 7 using MinGW. So my questions are: while I'm developing, how should I be compiling/testing it?

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