I have to open a file using ZwOpenFile API. This is my requirement. When I set the path in object name parameter. I could see fields Length and maximumlength in the object name. Length is just length of the path and I usually keep maximumlength as the value of Length. It worked mostly, however some times it doesnot work. In some cases ...
Possible Duplicates: List of freely available programming books Ansi C & C++ free e-book source for download Free C programming ebook for beginner students? i would like where i could get the best pdf's for c/c++ tutorial ...
Given an array with N elements. We know that one of those elements repeats itself atleast N/2 times . We dont know anything about the other elements . They may repeat or may be unique . Is there a way to find out the element that repeats atleast N/2 times in a single pass or may be O(N) ... ??? P.S : No extra space is to be used . ...
Hiii ... If we are given two linked lists (may be of different length) such that a few nodes from the end are common ... How do we find the first common node in least time as possible ... ? The lists are singly linked . Some nodes are common from the end and we need to find the first common one for both among them FROM THE END. ...
I use a debugging script that runs several related processes in succession with the debugger. I'm currently using -x to execute several commands automatically (such as run). How can I make gdb quit automatically when the debugged process successfully terminates? Adding a quit command to the command file will cause that command to be hand...
I want to scan a 2D array with the help of pointers and have written this code, could you tell me why the compiler gives errors? I know how to use double pointers to do the same, i was experimenting with this one. #include<stdio.h> #include<stdlib.h> int main(void) { int i,j,n,a,b; int (*(*p)[])[]; printf("\n\tEnter the size...
I have to implement a game server in C which handles multiple clients and continuously exchange information with them. The client may not be sending information at all times.Should I assign a thread with non-blocking socket to them or use select() call. Which one is better? ...
I have written an application in C, which runs as a Windows service. Most users can run the app without any problems, but a significant minority experience crashes caused by an Access Violation, so I know I have a bug somewhere. I have tried setting up virtual machines to mirror the users' configurations as closely as possible, but canno...
I recently came along this method for swapping the values of two variables without using a third variable. a^=b^=a^=b But when I tried the above code on different compilers, I got different results, some gave correct results, some didn't. Is anything terribly wrong with the code? ...
I'm getting an undefined symbol error even though I think I've defined it okay. From reading other posts and Googling, it seems that the linker is failing to find the appropriate symbol. I'm new to C so I'm sure I'm just missing something stupid. glen-urbans-macbook-pro:everybit glurban$ make gcc -O3 -DNDEBUG -std=c99 -Wall -Wstrict-p...
I just finished working out a memory allocation problem with the current program I'm writing, but I am not happy with what I had to do to fix it. In my program, I was building up an array of structs, reallocating space for the array every time I wanted to add a struct to it. Here is a generic version of my struct and the function that ...
Alright, I have library I wrote in C that reads a file and provides access to its' data. The data is typed, so I'm using void pointer and a few accessor functions: typedef struct nbt_tag { nbt_type type; /* Type of the value */ char *name; /* tag name */ void *value; /* value to be casted to the corresponding type */ ...
I've just started learning C and I'm having some problems with some code I want to write. Basically I have this struct that is a bit array, with the number of bits in the array, and a pointer to a buffer of chars, that stores the bits. My strategy for rotating the bit array is simply taking the number of rotations (mod the length to a...
I wish to Call mysql_real_escape on each argument of a vararg list before it is then passed on to vsprintf to include into an SQL string, is there anyway I can do this easilly? Seems I missed prepared statements, this seems to be usefull though anyway. ...
Possible Duplicate: UTF-8 -> ASCII in C language how to convert a utf8 string to ascii string ? ...
How do I view the output produced by the C pre-processor, prior to its conversion into an object file? I want to see what the MACRO definitions do to my code. ...
I'm currently working on a program for a C course in which I have to output the area of a shape. Here is a function for a rectangle's area that I have in my program: double rectangle() // calculate area of rectangle { double length, width; printf("\nEnter length and width of rectangle: "); scanf("%g %g\n", &length, &width)...
I'm developing a TCP Server in C language that can save data to mysql. The problem is "buf" cannot be save/insert into mysql. But "name" can be save/insert into mysql. Do u know what is the problem is? and how to fix that? I'm very glad if u can help me. below is the code. to compile : gcc -o tcpecho $(mysql_config --cflags) tcpecho....
I'm having trouble with a process forking exercise. I want to fork a child process and have it hang after announcing it has been forked, and wait for a signal to terminate, after which the parent process must announce it is terminating and then exit. I can get the processes forked and have the parent wait for the hanging child to be k...
My assignment is to fix the code. I have my edited code below and the original code below that. I figure I still have a few errors in here. My error checking doesnt seem to work, and I am not sure if my getchar() function is written or working properly. Please assume I know nothing becasue that is fairly accurate. The code compiles,...