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/***********************************************************************\
* Copyright (C) 1992-1998 by Michael K. Johnson, johnsonm@redhat.com *
* *
* This file is placed under the conditions of the GNU Library *
* General Public License, version 2, or any later version. *
* See file ../COPYING.LIB for information on distribution *
* conditions. *
\***********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <pwd.h>
#include "proc/ps.h"
#define HASHSIZE 16 /* power of 2 */
#define HASH(x) ((x) & (HASHSIZE - 1))
static struct pwbuf {
int uid;
char name[12];
struct pwbuf *next;
} *pwhash[HASHSIZE];
char *user_from_uid(int uid)
{
struct pwbuf **p;
struct passwd *pw;
p = &pwhash[HASH(uid)];
while (*p) {
if ((*p)->uid == uid)
return((*p)->name);
p = &(*p)->next;
}
*p = (struct pwbuf *) xmalloc(sizeof(struct pwbuf));
(*p)->uid = uid;
if ((pw = getpwuid(uid)) == NULL)
sprintf((*p)->name, "#%d", uid);
else
sprintf((*p)->name, "%-.8s", pw->pw_name);
(*p)->next = NULL;
return((*p)->name);
}
void bad_user_access_length() { }
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