fixed hostname function and added HOST_NAME_MAX limit

This commit is contained in:
Aaron Marcher 2016-06-10 18:22:05 +02:00 committed by Aaron Marcher (drkhsh)
parent 2e72b212d3
commit c7f3a407f4
1 changed files with 3 additions and 2 deletions

View File

@ -5,6 +5,7 @@
#include <arpa/inet.h>
#include <fcntl.h>
#include <ifaddrs.h>
#include <limits.h>
#include <locale.h>
#include <netdb.h>
#include <stdarg.h>
@ -212,7 +213,7 @@ entropy(const char *null)
char *
hostname(const char *null)
{
char *hostname = "";
char hostname[HOST_NAME_MAX];
FILE *fp;
/* open hostname file */
@ -222,7 +223,7 @@ hostname(const char *null)
}
/* extract hostname */
fscanf(fp, "%s", hostname);
fscanf(fp, "%s\n", hostname);
/* close hostname file */
fclose(fp);