htop/UsersTable.c

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/*
htop - UsersTable.c
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(C) 2004-2011 Hisham H. Muhammad
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Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "UsersTable.h"
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#include "XAlloc.h"
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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include <strings.h>
#include <pwd.h>
#include <sys/types.h>
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#include <stdlib.h>
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#include <assert.h>
/*{
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#include "Hashtable.h"
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typedef struct UsersTable_ {
Hashtable* users;
} UsersTable;
}*/
UsersTable* UsersTable_new() {
UsersTable* this;
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this = xMalloc(sizeof(UsersTable));
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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) {
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char* name = (char*) (Hashtable_get(this->users, uid));
if (name == NULL) {
struct passwd* userData = getpwuid(uid);
if (userData != NULL) {
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name = xStrdup(userData->pw_name);
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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);
}