3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; version 2 of the License.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "utils-legacy.h"
25 #include "vserver-internal.h"
33 static volatile size_t proc_bufsize = 4097;
36 utilvserver_getProcEntryBufsize()
42 utilvserver_getProcEntry(pid_t pid,
44 char *buf, size_t bufsize)
46 char status_name[ sizeof("/proc/01234/status") ];
51 if (pid<0 || (uint32_t)(pid)>99999) {
56 if (pid==0) strcpy(status_name, "/proc/self/status");
58 strcpy(status_name, "/proc/");
59 len = utilvserver_uint2str(status_name+sizeof("/proc/")-1,
60 sizeof(status_name)-sizeof("/proc//status")+1,
62 strcpy(status_name+sizeof("/proc/")+len-1, "/status");
65 fd = open(status_name, O_RDONLY);
68 len = read(fd, buf, bufsize);
74 res = strstr(buf, str) + strlen(str);
78 else if (len!=(size_t)-1) {
79 if (proc_bufsize==bufsize)
80 proc_bufsize = bufsize * 2 - 1;