The value of pList in main is undefined and probably pointing off into hyperspace somewhere. The instant you try to use it you're trying to access memory you never allocated.
Your logic is also a touch incorrect. An empty list has no memory allocated to it at all in this scheme, hence can't be modified without modifying the base pointer itself, which your function cannot do, being passed only a copy of it.
Pass a pointer to the pointer so it can modify it, check for the special case of creating the first node, and make sure you set the value of the empty list to NULL.
Code:
void insertAtEnd(NodeType **ppList) {
NodeType *plist=(*ppList);
char element;
printf("Introduce a element: \n");
setbuf(stdin, NULL);
scanf("%c", &element);
//Makes a new node.
NodeType *newNode = (NodeType *) malloc(sizeof(NodeType));
newNode->caracter = element;
newNode->nextNode = NULL;
// Empty list.
if(plist == NULL)
{
// Set the base of the list to the new node
(*ppList)=plist;
return;
}
//Find the end of the list;
while (pList->nextNode != NULL) {
pList = pList->nextNode;
}
//Links the new node.
pList->nextNode = newNode;
}
int main(int argc, char argv[]) {
NodeTipe *pList=NULL;
insertAtEnd(&pList);
}
typedef struct node
{
char caracter;
struct node *nextNode;
} NodeTipe;
int main(int argc, char argv[])
{
NodeTipe *pList;
// you need code here to create the initial Node for the linked list and then start inserting to it
insertAtEnd(pList);
}
also there's a big difference between NodeTipe and NodeType
I have a file with a combination of binary characters and words, and need to trim out the segment i.e. SleeperThreadAborting {{username::RAB2002}} {{scriptname::scs_get_pending_by_loc}} and put the lists into a text file.
Luckily, the segment I am looking for i.e. has readable words ... (8 Replies)
I always get segment fault, why? can sb help me and modify it, I have spend on much time on
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <string.h>
#define MAX 10
pthread_t thread;
void *thread1()
{
int *a;
int i, n;
... (1 Reply)
Hi,
Whether the following piece of code is placed in the read-only memory of code (text) segment or data segment?
char *a = "Hello";
I am getting two different answers while searching in google :( that's why the confusion is (7 Replies)
I mean, I malloc a segment of memory, maybe 1k maybe 20bytes.. assume the pointer is pMem How can I know the content pMem refered is all Zero or \0 . I know memcmp but the second parameter should another memory address... thanx (4 Replies)
I need help in removing a leading zero in a particular position.
For eg.: XYZ*04567472*0099*020091231*0123*0.12
In the above line, I want to replace "*0123" with "123" and "0.12" with ".12". I want to remove the leading zero only in position number 4 and 5 (the bolded segments)
I was able... (10 Replies)
Hi,
I am using bash. My question concerns cutting out segments of a string. Given the following filename:
S2002254132542.L1A_MLAC.x.hdf
I have been able to successfully separate the string at the periods (.):
$ L1A_FILE=S2002254132542.L1A_MLAC.x.hdf
$ BASE=$(echo $L1A_FILE | awk -F.... (5 Replies)
When run it, segment fault.
What is wrong?
#include <stdio.h>
#include <stdlib.h>
const int max =20;
//****************************************************
// Input Matrix
//****************************************************
void inMatrixAA(int *AA, int row, int col)... (9 Replies)
