149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "queue.h"
|
|
|
|
/**
|
|
* @brief struct queue struct used for queueing string name
|
|
*
|
|
* @param charLen lenght of tabChar pointeur
|
|
* @param tabChar char array pointer
|
|
* @param pNextE point next element
|
|
*/
|
|
struct queue {
|
|
int charLen;
|
|
char * tabChar;
|
|
Pqueue pNextE;
|
|
};
|
|
|
|
typedef struct queue *Pqueue;
|
|
|
|
/**
|
|
* @brief Create Element of queue
|
|
*
|
|
* @param lenChar size of char array that will be created
|
|
* @return Pqueue new element created
|
|
*/
|
|
Pqueue createE(int lenChar , char* _tabChar){
|
|
Pqueue new = (Pqueue) malloc(sizeof(struct queue));
|
|
assert(new);
|
|
/* ???? tab char create or give pointer ???*/
|
|
new->charLen = lenChar;
|
|
new->tabChar = (char *) malloc(lenChar * sizeof(char));
|
|
new->pNextE = NULL;
|
|
return new;
|
|
}
|
|
|
|
/**
|
|
* @brief switch to the next element
|
|
*
|
|
* @param elem current element
|
|
* @return Pqueue next element
|
|
*/
|
|
Pqueue getNextE(Pqueue elem){
|
|
assert(elem);
|
|
return elem->pNextE;
|
|
}
|
|
|
|
int getCharLen(Pqueue elem){
|
|
assert(elem);
|
|
return elem->charLen;
|
|
}
|
|
|
|
char *gettabChar(Pqueue elem){
|
|
assert(elem);
|
|
return elem->tabChar;
|
|
}
|
|
|
|
Pqueue setCharLen(Pqueue elem , int _charLen){
|
|
assert(elem);
|
|
elem->charLen = _charLen;
|
|
}
|
|
|
|
Pqueue setTabChar(Pqueue elem , int _charLen , char *_tabChar){
|
|
assert(elem);
|
|
elem->charLen = _charLen;
|
|
elem->tabChar = (char *) malloc(_charLen * sizeof(char));
|
|
elem->tabChar = _tabChar;
|
|
}
|
|
|
|
/**
|
|
* @brief remove and free the last element of queue
|
|
*
|
|
* @param elem current element
|
|
* @return Pqueue current element
|
|
*/
|
|
Pqueue rmLastE(Pqueue elem){
|
|
assert(elem);
|
|
Pqueue tmp = elem, previous = NULL;
|
|
while(elem->pNextE != NULL){
|
|
previous = tmp;
|
|
tmp = getNextE(tmp);
|
|
}
|
|
free(tmp->tabChar);
|
|
free(tmp);
|
|
previous->pNextE = NULL;
|
|
return elem;
|
|
}
|
|
|
|
/**
|
|
* @brief remove and free the first element of queue
|
|
*
|
|
* @param elem target to remove (the element need to be the first)
|
|
* @return Pqueue the second element after remove first
|
|
*/
|
|
Pqueue rmFrstE(Pqueue elem){
|
|
assert(elem);
|
|
Pqueue tmp = elem->pNextE;
|
|
free(elem->tabChar);
|
|
free(elem);
|
|
return tmp;
|
|
}
|
|
|
|
/**
|
|
* @brief delete the first value and return the next value
|
|
*
|
|
* @param elem
|
|
* @return Pqueue
|
|
*/
|
|
Pqueue nextDelFrst(Pqueue elem){
|
|
assert(elem);
|
|
Pqueue tmp = elem->pNextE;
|
|
rmFrstE(elem);
|
|
return tmp;
|
|
}
|
|
|
|
/**
|
|
* @brief add in the end of queue element with string parameter
|
|
*
|
|
* @param elem Pqueue will be added at the end of queue
|
|
* @param str the string will be bind at the element
|
|
* @param len the lenght of char array
|
|
* @return Pqueue pointer to the last element
|
|
*/
|
|
Pqueue addLastQ(Pqueue elem, const char* str, int len){
|
|
assert(elem);
|
|
assert(str);
|
|
Pqueue tmp = elem, previous = NULL;
|
|
while(elem->pNextE != NULL){
|
|
previous = tmp;
|
|
tmp = getNextE(tmp);
|
|
}
|
|
tmp = createE(len);
|
|
tmp->tabChar = str;
|
|
tmp->charLen = len;
|
|
return tmp;
|
|
}
|
|
|
|
void printE(Pqueue elem){
|
|
Pqueue next = getNextE(elem);
|
|
printf("File Name : %s \n(size of the file name : %d)\n",elem -> tabChar , elem -> charLen );
|
|
if(next != NULL){
|
|
printf("Next File : %s\n", next ->tabChar);
|
|
}
|
|
else{
|
|
printf("No nextFile existing\n");
|
|
}
|
|
}
|
|
|