add original htop code

htop-0.9 downloaded from http://archive.ubuntu.com/ubuntu/pool/universe/h/htop/htop_0.9.orig.tar.gz

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/UsersTable.c b/UsersTable.c
new file mode 100644
index 0000000..49a5159
--- /dev/null
+++ b/UsersTable.c
@@ -0,0 +1,52 @@
+/*
+htop - UsersTable.c
+(C) 2004-2010 Hisham H. Muhammad
+Released under the GNU GPL, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "UsersTable.h"
+#include "Hashtable.h"
+#include "String.h"
+
+#include <stdio.h>
+#include <strings.h>
+#include <pwd.h>
+#include <sys/types.h>
+
+#include "debug.h"
+#include <assert.h>
+
+/*{
+typedef struct UsersTable_ {
+   Hashtable* users;
+} UsersTable;
+}*/
+
+UsersTable* UsersTable_new() {
+   UsersTable* this;
+   this = malloc(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 = String_copy(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);
+}