htop/UsersTable.c

56 lines
1.2 KiB
C

/*
htop - UsersTable.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "UsersTable.h"
#include "XAlloc.h"
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <pwd.h>
#include <sys/types.h>
#include <stdlib.h>
#include <assert.h>
/*{
#include "Hashtable.h"
typedef struct UsersTable_ {
Hashtable* users;
} UsersTable;
}*/
UsersTable* UsersTable_new() {
UsersTable* this;
this = xMalloc(sizeof(UsersTable));
this->users = Hashtable_new(20, true);
return this;
}
void UsersTable_delete(UsersTable* this) {
Hashtable_delete(this->users);
free(this);
}
char* UsersTable_getRef(UsersTable* this, unsigned int uid) {
char* name = (char*) (Hashtable_get(this->users, uid));
if (name == NULL) {
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);
}