C / C++ Forum

Hi, I'm trying to do the equivilant of JAVA's Integer.toString(someInt); in C++, I figure there must be something like this since i know you can use cout or printf to print it, is there a way to not put it to screen just

Hi folks I'm having a scope resolution issue. The gnu compiler is trying to use the "operator function" from derived class rather than from correct one, the base class. // VecBasis.h file template<class T, size_t numDim> class VecBasis { protected:

Hello Can someone explain what the following code is doing? void *get_gp_value() { void **function_pointer = (void **)get_gp_value; return function_pointer; }

I am wondering about what's the best and easiest way to strip trailing whitespace from every single file in a folder, recursively. I want to write a program/script so that you pass in a folder name and it'll recursively go through all sub-folders and strips trailing whitespace from every single file. Trailing whitespace includes: 1....

Hello, All! I'm implementing simple CLI (flat model, no tree-style menu etc.). Command line looks like this: <command> <param1> <param2> ... <paramN> (where N=1..4) And idea is pretty simple: 1) get whole string of input line 2) preset table of strings matching <command> 3) preset table of function calls

Compiling the following code (C++): struct _Item { int var1; ....... _Item *pPointer;

C uses call by value for passing of parameters in contrast to C++ which uses call by reference.How is call by value advantageous and how is it implemented?

Hi I have to call a vc++ function in a c program. suppose i have a function dword fun(dword arg1, bstr arg2); in vc++. I have to call this function in c. But I don't have dword datatype in c. So when i call this function in c, i have to convert all the data tpyes of vc++ into c data types. Or I must have equivalent data types

hi there can anyone help me with my code? it can be compiled successfully in vc++6.0, however it fails to run. here's the code: //set.h #include <iostream> using namespace std;

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The following code is giving run-time error..... char buf = "Hello" ; strcat(buf,buf) ; Second line is giving the run-time error. Any comments please............

Hi, I'm a newbie. I need to clear my pointer concepts. the code below gives segmentation fault when i use char* str; int main() { char *str; printf("Enter a string to reverse\n"); scanf("%s",&str);

Still having a few problems with malloc and pointers. I have made a struct. Now I would like to make a pointer an array with 4 pointers to this struct. #include <stdlib.h> #include <stdio.h> typedef struct _tnode_t { void *content; struct _tnode_t *kids;

look at code #include<stdio.h> int *mult(void); int main(void) { int *ptr,i; ptr=mult; for(i=0;i<6;i++) { printf("%d",*(ptr++));

Question about C99/gcc struct initialization: void ffoo(void) { struct FOO { int a,b,c; }; struct foo = { .b = 22 }; What happens now to foo.a and foo.c ? Are they initialized to 0, or left unitialized ? Y.L.

Hi I hope I got the topic right.. that's what I'm doing: create P(variable) polygons each having a variable numbers of vertices, something in my mallocs is wrong... since I get weird results. help? #include <stdio.h> #include <stdlib.h>

Hello, I am working on a project in Borland Developer Studio 2006, and am running into an error I don't understand. Here is the relevant code: //--------------------------------------------------- double splitLoc = 0, fs = 512; double timeRange; int tArr;

How can i do a fork() sytem call using a C program?Is it allowed in windows environment or not because it is primarly a system call used by UNIX

I have a C program that prints out two lines as follows: Line 1 Line 2 What I would like is for this program to sleep for one second, and then print out two more lines, overwriting the previous two. The sleeping bit is trivial but, what about the overwriting? I am assuming that the output will be displayed on a standard terminal...

Hi Just learning c and wonder if anyone can answer a question. I am writing a program that uses threads. These threads will call a specific function simultaneously. This specific function uses a global pointer to run through a linked list of structures. Thread1 enters the function and resets a global worker pointer to point to the...

When compiling a library with the intel compiler icpc, I get the following warning: ld: warning: creating a DT_TEXTREL in object This happens with icc-9.0.030 and ld-2.16.1. However, this doesn't happen on a similar system but with ld-2.15. Is something wrong with my code or can I just ignore this? icpc -O2 -g -fno-inline -Wall -pipe...

hi i m new c++ learner. can any one help me. how to co-relate with c++ if, u r already a c programmer. help me.i want to master in c++. hope any one (only one bet millions of c++ lovers)can help me. (hoping .............) bye

Hello, I am in the planning process for developing a VM (Virtual Machine). I have been researching various aspects for developing a VM in C++ for a (semi?-)dynamic language, and am looking at the possibility of implementing JIT for the VM. How would one go about an implementation? Is the bytecode translated into native instructions similar...

The main() function in the following code defines an m by n matrix, assigns value(s) to its elements, then passes the matrix to function foo(). For whatever it's worth, I have declared foo() so as to make it treat its first argument as a "read-only" object, that is, foo() can read but not alter the matrix. I have a problem, however, with...

In STL, there is no copy_if algorithm. But how can I emulate that? I am thinking about using find_if and then a copy. But how can I pass the InputIterator (begin and end) to copy so that it knows the range it tries to copy from. Thanks for any idea.