18,490 Topics
Hello. I'm currently having a memory leak problem in my program (C++ with MFC, VS2005) and I don't know WHY it happens, as the code seems to be OK to me. Anyway, here's the code that causes memory leaks: [code=C++]char* va( char* FormatStr, ... ) { va_list ArgPtr; char *FinalString; …
Write a program in GCC compiler in which you have to develop the regular expression for Date, means if user enter the wrong date and wrong date format it should show error and should show date relevant the date enter by user. post answer as soon as possible
Hello. I'm developing a encryption program. I'm testing with encryption right now. I use bitwise operators and also bitwise shifts. [OR [|], XOR[^], AND[&], NOT[~], right[>>],left[<<]] To add even more security, I went ahead and added bitwise shifts. Whenever I shift the numbers, they go over 256 [max int in …
Heya, i'm learning c at the moment and have a project i need to complete. I'd like to start of by saying that the course i'm on is pretty poorly taught. They taught us scanf printf basic arrays basic structures and fflush which doesn't even work on my compiler. We …
1.write a program segment that computes 1+2+3+...+(n-1)+n, where n is a data value. follow the loop body with an if statement that compares this value to (n*(n+1)) /2 and displays a message that indicates whether the value are the same or different. what message do you think will be displayed. …
[code]typedef struct item { int number; char package[20]; char start[20]; char finish[20]; int weight; int distance; }ITEM; int i = 0; int num = 0; while(fscanf(ifp, "%d %s %s %s %d %d", &item[i].number, item[i].package, item[i].start, item[i].finish, &item[i].weight, &item[i].distance) != EOF) { num++; i++; } rewind(ifp); printf("\n\nnum = %d\n\n", num); [/code] …
Hello, I am working on a project that involves creating both a client and server in C. The client must get from the user: A = int B = double C = int D = double Then it must send all the values to the server in one send. The …
hi all. i have read a text line from a file using [CODE]fgets() [/CODE]into a char array [CODE]char astr[30][/CODE] then i did [CODE]strcat(astr,"secondstring") [/CODE] The output of [CODE]printf (astr)[/CODE] is appearing on 2 lines instead on same line. plz advise me wat i did wrong. thanks.
I am attempting a cache read simulator that only counts hits and misses. it uses N-way associative cache, and LRU replacement. I have the correct values on what it needs to be, but no matter what I try, I cannot get the correct output. I have a block class [code=c++] …
[code=language] #include <string.h> #include <stdlib.h> #include <stdio.h> /* uni() function takes an array an thier size.and it produce an array which is include unique element */ int uni(char *arr[],int size) { int unique = 0; /* The length of dst after removing duplicates */ int n=size; char *dst[n]; /* The …
Sairam to everyone Good morning I am using AVR Studio to compile MuCOS II onto Micrium site. Micrium is the provider of all MuCOS II an RTOS for various ports. I had the following error : ../../os_dbg.c:25: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'INT16U' Addressing this line: …
Hello, I was wondering how I could connect to a server using the client that I wrote below, that requires a username and password. I'm a little confused when it comes to reading the man pages. [code=C] #include <arpa/inet.h> #include <errno.h> #include <math.h> #include <netdb.h> #include <netinet/in.h> #include <signal.h> #include …
Sairam all I had hard time with this particular problem. I have downloaded from Micrium Website MUCOS a RTOS. I used AVR Studio,and try to build the OS. But unfortunately I encountered this problem: --->" __root" is compiler directive for IAR compiler and this tells the compiler not to optimize …
Folks, I have been told that there is one logical problem with this code. Basically, this is an implementation of the library function strcat(). The intended beahviour of this function to concatenate ct to the end of s. Return s. I could not find any logical problems with the code, …
Hello. I am trying to do a project with linked lists. It seems that everything is coded correct in my code to create new nodes and move my pointers and such. But for some reason my function that is supposed to print all the names stored in my list only …
Hi, im lookin for a c function which will take hex values stored in two different integer variables say TH1,TL1 . So say TH1 has FF and TL1 has 00,then i need a program that will convert the effective value FF00 to decimal ,ie 65280 stored in a variable say …
i need help making a password program. it lets the use input a password and check it if it is following the password rules, which are the following: must have exactly 7 characters, only alphabets and digits are allowed. i don't exactly know how to put that in an if …
Hello guys, I am new to this forum, but I am sure I will be an active one as I am a computer science major. I am still kindof new to c programming and am hitting a major issue. I am writing a echo client server code and I am …
Hey, I have a program that has 5 files, 2 header files called: [icode] console.h screen.h [/icode] and 3 source files called: [icode] a2main.cpp screen.cpp console.c //not a typo [/icode] When I copy the [icode]main[/icode] from my a2main.cpp file to my screen.cpp my program compiles without a problem. But when …
Hi How to get cpu utilization of particular process without using top command. I want programmatically C or C++.Top command source is large.I can't analyze where %cpu usage got. Anyone help me...........
Greetings; Please, is there a 'python tool' of sorts (ide or whatever) that will convert [U]Python code to 'C' code[/U] . Thanks!
[CODE=c]#include <stdio.h> #include <string.h> #include <stdlib.h> #define TRUE 1 #define FALSE 0 void Result (char *result, char string, char remove); char *RemoveChars( char *src , char *key ); int main(void) { char string[] = "Alesia"; char remove[] = "aeiou"; char result; Result (&result, string, remove); fflush(stdin); printf(" Press any key …
I am not familiar with C code. I want to convert this code to C++ and run it any help is appreciated. [CODE] #include <stdio.h> #include <stdlib.h> #include <time.h> #include<cstdlib> using std::rand; using std::srand; #include <stdio.h> #include <stdlib.h> #include <time.h> /*Global Declarations */ /* define a new type KEY_TYPE as …
I need a better solution to a while loop that continualy checks the current time against the time that the user would like the program to end. This loop spikes the processor usage to 100%. [CODE]while( time(NULL) <= endTime ) { printf("\r%4d", endTime - time(NULL)); }[/CODE] Thanks in advance.
i have a online logging of data through com port. the c program captures the online data every 1 minute, calculates ten minute average, standard deviation and then writes it to a file. the file is created with getdate function. when the day changes, i have to create the new …
Hi! Well, I just joined, some hours ago. I am in second year of colledge, in computer sciences, here to learn and teach if possible. I just searched files in C in google, and this site came up, I am glad I found it! Now I can make A LOT …
this is coming off a program that collects information and saves it after every command. I have opened my file successfully cause thats how it reads the client. the problem is saving the data. Does this code look right to everybody??? I am running in C and very very basic. …
I am developing i a c-editor which can run graphics on VISTA and can use minimum system RAM and processes. I need C help file database wich can be linked to my software
I thought I was finished with this program but now I can’t find a way to make it quit. The loop continues even when I enter the terminating character. I’ll post he whole thing. The answer may be simple but I'm just not seeing it. [code] do{ do{ system("cls"); printf("Enter …
Hi I have a cgi controller that takes requests and depending on request it invokes the object of the desired class which generates a XML and sends the XML as a response. On the client this XML is combined with XSL to display a HTML page. For ex. [CODE] request---->controller------->router.cgi(a …
In file "sudoku.dat" is 9x9 size matrix. In one 3x3 bloc, can be from 2 up to 6 unknew digits, however main unknow digits amount in all matrix, must be not over 36 digits. Unknow places marked with symbol ? Example (3x3) ?9? 4?? ?32 I need program which could …
I'm trying to write a short bit of C code that will get a filename from the user, via the keyboard, and open the specified file, but I haven't been able to get fopen() to recognize the variable filename when I use fgets() to get it. Here's a snippet of …
I want to add a new effect code to a game thats been out already. The game is called Nascar racing 2003 Season but what I want to add is a dirt effect that wraps around the cars texture when It starts to get dirty. I don't know where to …
Hello there. I recently finished a 5x5x5 cube wich I control it with a PIC16F877. I managed to make a program for it in assembler but when I load it into the chip it does nothing. Did I did something wrong? I use pnp 2N2907 tranzistors for the columns (+) …
hi guys im trying to code patricia trie in c using gcc and when i debuged the program im gettin segmentation stack problem in search function of it.im not sure why it is showing and i've included pat.c,pat.h and ncspatricia.h files. i also want to know what is the difference …
Hi Guys, First post here, so be gentle :-) I was going looking for an implementation of memcmp(), I found this code snippet, but it is clearly marked that there is 1 logical error with the code snippet. Could you help me find the logical error. Basically, I tested this …
The definition of library function strspn is: [CODE]size_t strspn(const char *str, const char *chars) /*Return number of leading characters at the beginning of the string str which are all members of string chars.*/[/CODE] e.g. if ‘str’ is “fecxdy” and ‘chars’ is “abcdef” then the function would return 3, since ‘f’, …
please help me.. am using turbo c 3.00 i'm gettin a compile time error : Lvalue required. ------------------------------------------------------------- [code] #include<stdio.h> #include<conio.h> #include<stdlib.h> int func(int x,int y) { int *ptr1=&x,*ptr2=&y; int **ptr_1,**ptr_2; *ptr_1=ptr1; *ptr_2=ptr2; printf("\nUsing function pointer : "); printf("\nx=%d\ny=%d",**ptr_1,**ptr_2); int sum=*ptr1+*ptr2; return sum; } main() { int *fnptr(int,int); // declare …
Hey all. First time user here :) Im making a Windows XP C++ console application with Code Blocks (GNU GCC Compiler). This program is written to control another program that is missing some features i need (read input from external source). Last thing im missing from my program is little …
would anyone be able to help me convert this c function to an assembler function? Any help would be greatly appreciated thanks. [CODE]void load(char x[][1000], int collum, int row, char ln) { int i =0; int j =0; for( i = 0; i < row; i++ ) { for( j …
can any one help, need a program to search a particular word in a file (its a .dat file ) then count the number of it occurrences in the whole file, output the count on console. I have not worked with programs before..........
I would very much appreciate any advice on this. I am reading a single byte from the serial port and wanting to store up to a hundred of these. Essentially I need to check incoming data to see if the value of it has been sent previously. These are my …
Hi all, I am in need of some assistance with addresses & pointers as my dysfunctional professor is of no help. (I'll be as succinct as possible.) First, the program must call three subroutines from main to fill "n" array elements with a given value; for instance, one must set …
I want a user to be able to select an audio file to play but am unable to figure out how to create a file open dialog box in Win32 API. I could create one from scratch but am hoping that there is an easier way than manually creating it. …
I have a client /server file operation program.It works properly when i run the client and server program in the same system.but when i try to run the client in one system and server in another system i am getting an error in the cleint machine as "ERROR:Connection refused". Plz …
Hi, I'm using GNU MP to get very precise square roots of numbers. I have three questions about my code below. [Code] #include <stdio.h> #include <stdlib.h> #include <gmp.h> int main(int argc, char *argv[]) { mpf_t num, sqrt; FILE *out; mpf_init2(num, 1000000); mpf_init2(sqrt, 1000000); printf("Enter a number to get its square …
[code=language] #include <string.h> #include <stdlib.h> #include <stdio.h> /* uni() function takes an array an thier size.and it produce an array which is include unique element */ int uni(char **arr,int size) { int unique = 0; /* The length of dst after removing duplicates */ int n=size; char *dst[n]; /* The …
Sairam Hai everyone,I just want to know : 1. what is full form of asm 2.what is the equivalent C code supported by gcc.running on SUSE Linux platform. asm PUSH;CLI asm POPF
Hey all, I have decided that in order to learn i will need to write code. So i am working on all the questions on my book. And as I am teaching myself i end up with no-one to scrutinize my code. [code=c++] #include <iostream> /************Declarations of Functions*********/ void func1(); …
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