95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
#include<stdio.h>
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#include<stdlib.h>
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typedef struct file{
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int* adresse;
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int debut;
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int fin;
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int capacite;
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}file;
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int empty(file p_file){
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if (p_file.debut!=p_file.fin){
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return 1;
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}
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return 0;
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}
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void creerFile(file* p_file){
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p_file->debut = 0;
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p_file->fin = 0;
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p_file->capacite = 4;
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p_file->adresse = (int*) malloc(p_file->capacite*sizeof(int));
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}
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void decalage(file* p_file){
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int element;
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for (element=p_file->debut; element<=p_file->fin; element++){
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p_file->adresse[element-p_file->debut] = p_file->adresse[element];
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}
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p_file->fin -= p_file->debut;
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p_file->debut = 0;
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}
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void enqueue(file* p_file, int newValeur){
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if (p_file->fin==p_file->capacite){
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if (p_file->debut==0){
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p_file->capacite *= 2;
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p_file->adresse = realloc(p_file->adresse, p_file->capacite*sizeof(int));
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}
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else{
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decalage(p_file);
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}
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}
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p_file->adresse[p_file->fin] = newValeur;
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p_file->fin ++;
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}
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int dequeue(file* p_file){
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p_file->debut ++;
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return p_file->adresse[p_file->debut-1];
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}
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int first(file p_file){
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return p_file.adresse[p_file.debut];
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}
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void clear(file* p_file){
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p_file->debut = 0;
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p_file->fin = 0;
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}
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int main(void){
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int choix=99;
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int caractere;
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file p_file;
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creerFile(&p_file);
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printf("\n----------instruction----------\n1 <char>- enqueue\n2- dequeue\n3- first\n4- clear\n5- quit\n----------------------------------\n");
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while(choix!=5){
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printf("choix : ");
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scanf("%d",&choix);
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if (choix==1){
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printf("caractere : ");
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scanf(" %d",&caractere);
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enqueue(&p_file,caractere);
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}
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if (choix==2){
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if (empty(p_file)){
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printf("resultat : %d\n",dequeue(&p_file));
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}
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}
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if (choix==3){
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if (empty(p_file)){
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printf("resultat : %d\n",first(p_file));
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}
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}
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if (choix==4){
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clear(&p_file);
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printf("La liste à bien été vidé\n");
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}
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}
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clear(&p_file);
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printf("O revoir BG\n");
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return 0;
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}
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