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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define F "fichier"
typedef struct
{
int a;
int b;
int c;
int d;
}Adresse_ip;
static void purge(FILE *fp)
{
int c;
while ((c = fgetc(fp)) != '\
' && c != EOF)
{
}
}
static void clean (char *s, FILE *fp)
{
char *p = strchr (s, '\
');
if (p != NULL)
{
*p = 0;
}
else
{
purge (fp);
}
}
int main()
{
FILE *fp = fopen(F, "r");
int **tab;
int i=0;
Adresse_ip *tab_ip;
int k = 1;
int indice = 0;
int j = 0;
tab_ip = (Adresse_ip *)malloc(k * sizeof(Adresse_ip));
if(tab_ip == NULL){
perror("erreur allocation");
exit(1);
}
if (fp != NULL)
{
char line[BUFSIZ];
while (fgets(line, sizeof line, fp) != NULL)
{
clean(line, fp);
char *p = strtok(line, " ");
if (p != NULL)
{
p = strtok(NULL, " ");
if (p != NULL)
{
int ip[4];
sscanf(p, "%d.%d.%d.%d", ip, ip + 1, ip + 2, ip + 3);
tab_ip[indice].a = ip[0];
tab_ip[indice].b = ip[1];
tab_ip[indice].c = ip[2];
tab_ip[indice].d = ip[3];
indice ++;
if(indice == k)
{
Adresse_ip *tmp = (Adresse_ip *)malloc((k + 1) * sizeof(Adresse_ip));
if (tmp == NULL){
perror("erreur allocation");
exit(1);
}
tab_ip = tmp;
}
}
else
{
printf ("format error\n");
break;
}
}
else
{
printf ("format error\n");
break;
}
}
fclose (fp), fp = NULL;
}
else
{
perror (F);
}
for(j=0; j<k; j++)
{
printf("%d.%d.%d.%d ",tab_ip[j].a,tab_ip[j].b,tab_ip[j].c,tab_ip[j].d);
printf("\n");
}
return 0;
} |
