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root/i-scream/projects/libstatgrab/src/libstatgrab/user_stats.c
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Comparing projects/libstatgrab/src/libstatgrab/user_stats.c (file contents):
Revision 1.6 by pajs, Sun Mar 2 16:43:48 2003 UTC vs.
Revision 1.15 by tdb, Mon Jan 19 16:49:21 2004 UTC

# Line 1 | Line 1
1 < /*
1 > /*
2   * i-scream central monitoring system
3 < * http://www.i-scream.org.uk
4 < * Copyright (C) 2000-2002 i-scream
3 > * http://www.i-scream.org
4 > * Copyright (C) 2000-2004 i-scream
5   *
6 < * This program is free software; you can redistribute it and/or
7 < * modify it under the terms of the GNU General Public License
8 < * as published by the Free Software Foundation; either version 2
9 < * of the License, or (at your option) any later version.
6 > * This library is free software; you can redistribute it and/or
7 > * modify it under the terms of the GNU Lesser General Public
8 > * License as published by the Free Software Foundation; either
9 > * version 2.1 of the License, or (at your option) any later version.
10   *
11 < * This program is distributed in the hope that it will be useful,
11 > * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 < * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 < * GNU General Public License for more details.
13 > * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 > * Lesser General Public License for more details.
15   *
16 < * You should have received a copy of the GNU General Public License
17 < * along with this program; if not, write to the Free Software
18 < * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16 > * You should have received a copy of the GNU Lesser General Public
17 > * License along with this library; if not, write to the Free Software
18 > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 > * 02111-1307 USA
20 > *
21 > * $Id$
22   */
23  
24   #ifdef HAVE_CONFIG_H
# Line 25 | Line 28
28   #include <stdlib.h>
29   #include <stdio.h>
30   #include <string.h>
28 #include <utmp.h>
31   #include "statgrab.h"
32 + #ifdef ALLBSD
33 + #include <sys/types.h>
34 + #endif
35 + #include <utmp.h>
36  
37 + #ifdef SOLARIS
38 + #define MAX_LOGIN_NAME_SIZE 8
39 + #endif
40 + #if defined(LINUX) || defined(FREEBSD)
41 + #define MAX_LOGIN_NAME_SIZE UT_NAMESIZE
42 + #endif
43 + #ifdef NETBSD
44 + #define MAX_LOGIN_NAME_SIZE _POSIX_LOGIN_NAME_MAX
45 + #endif
46 + #if defined(CYGWIN)
47 + #define MAX_LOGIN_NAME_SIZE _SC_LOGIN_NAME_MAX
48 + #endif
49 +
50   #define START_VAL (5*(1+MAX_LOGIN_NAME_SIZE))
51  
52   user_stat_t *get_user_stats(){
# Line 36 | Line 55 | user_stat_t *get_user_stats(){
55          static user_stat_t user_stats;
56          static int size_of_namelist=-1;
57          char *tmp;
58 + #if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN)
59          struct utmp *entry;
60 + #endif
61 + #ifdef ALLBSD
62 +        struct utmp entry;
63 +        FILE *f;
64 + #endif
65  
66          /* First case call */
67          if (size_of_namelist==-1){
# Line 49 | Line 74 | user_stat_t *get_user_stats(){
74  
75          /* Essentially blank the list, or give it a inital starting string */
76          strcpy(user_stats.name_list, "");
77 +
78 + #if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN)
79          setutent();
80          while((entry=getutent()) != NULL) {
81                  if(entry->ut_type==USER_PROCESS) {
# Line 68 | Line 95 | user_stat_t *get_user_stats(){
95                  }
96          }
97          endutent();
98 + #endif
99 + #ifdef ALLBSD
100 +        if ((f=fopen(_PATH_UTMP, "r")) == NULL){
101 +                return NULL;
102 +        }
103 +        while((fread(&entry, sizeof(entry),1,f)) != 0){
104 +                if (entry.ut_name[0] == '\0') continue;
105 +                if((strlen(user_stats.name_list)+MAX_LOGIN_NAME_SIZE+2) > size_of_namelist){
106 +                        tmp=user_stats.name_list;
107 +                        user_stats.name_list=realloc(user_stats.name_list, 1+(size_of_namelist*2));
108 +                        if(user_stats.name_list==NULL){
109 +                                user_stats.name_list=tmp;
110 +                                return NULL;
111 +                        }
112 +                        size_of_namelist=1+(size_of_namelist*2);
113 +                        
114 +                }
115 +                strncat(user_stats.name_list, entry.ut_name, MAX_LOGIN_NAME_SIZE);
116 +                strcat(user_stats.name_list, " ");
117 +                num_users++;
118 +        }
119 +        fclose(f);
120  
121 + #endif  
122          /* We want to remove the last " " */
123 <        tmp=strrchr(user_stats.name_list, ' ');
124 <        *tmp='\0';
125 <        user_stats.num_entries=num_users;
123 >        if(num_users!=0){
124 >                tmp=strrchr(user_stats.name_list, ' ');
125 >                if(tmp!=NULL){
126 >                        *tmp='\0';
127 >                        user_stats.num_entries=num_users;
128 >                }
129 >        }
130  
131          return &user_stats;
132  

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