htop/UsersTable.c
2021-09-22 14:28:19 +02:00

47 lines
1.0 KiB
C

/*
htop - UsersTable.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "UsersTable.h"
#include <pwd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "XUtils.h"
UsersTable* UsersTable_new() {
UsersTable* this;
this = xMalloc(sizeof(UsersTable));
this->users = Hashtable_new(10, true);
return this;
}
void UsersTable_delete(UsersTable* this) {
Hashtable_delete(this->users);
free(this);
}
char* UsersTable_getRef(UsersTable* this, unsigned int uid) {
char* name = Hashtable_get(this->users, uid);
if (name == NULL) {
const struct passwd* userData = getpwuid(uid);
if (userData != NULL) {
name = xStrdup(userData->pw_name);
Hashtable_put(this->users, uid, name);
}
}
return name;
}
inline void UsersTable_foreach(UsersTable* this, Hashtable_PairFunction f, void* userData) {
Hashtable_foreach(this->users, f, userData);
}