#include <unistd.h>
#include <errno.h>
+#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
static char *
get_user_id (void)
{
- char *name;
struct passwd *buf = getpwuid (getuid ());
if (!buf)
{
- int count = 1;
- int uid = (int) getuid ();
- int tuid = uid;
- while (tuid /= 10)
- count++;
- name = malloc (count+1);
- if (!name)
- return NULL;
- sprintf (name, "%d", uid);
+ long uid = getuid ();
+ char *name = malloc (sizeof uid * CHAR_BIT / 3 + 1);
+ if (name)
+ sprintf (name, "%ld", uid);
return name;
}
return buf->pw_name;