util-vserver-0.30.208

[util-vserver.git] / lib / cflags-compat.c

diff --git a/lib/cflags-compat.c b/lib/cflags-compat.c
new file mode 100644 (file)
index 0000000..85d530e
--- /dev/null
+++ b/lib/cflags-compat.c
@@ -0,0 +1,70 @@
+// $Id: cflags-compat.c,v 1.1 2004/04/14 23:19:51 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <ensc@delenn.intern.sigma-chemnitz.de>
+//  
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//  
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//  
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "vserver.h"
+#include <string.h>
+#include <assert.h>
+
+#define DECL(STR, VAL) { STR, sizeof(STR)-1, VAL }
+
+static struct {
+    char const * const         id;
+    size_t                     len;
+    unsigned char              val;
+} const FLAGVALUES[] = {
+  DECL("lock",      S_CTX_INFO_LOCK),
+  DECL("sched",     S_CTX_INFO_SCHED),
+  DECL("nproc",     S_CTX_INFO_NPROC),
+  DECL("private",   S_CTX_INFO_PRIVATE),
+  DECL("fakeinit",  S_CTX_INFO_INIT),
+  DECL("hideinfo",  S_CTX_INFO_HIDEINFO),
+  DECL("ulimit",    S_CTX_INFO_ULIMIT),
+  DECL("namespace", S_CTX_INFO_NAMESPACE),
+};
+
+uint_least32_t
+vc_text2cflag_compat(char const *str, size_t len)
+{
+  size_t       i;
+  if (len==0) len=strlen(str);
+
+  for (i=0; i<sizeof(FLAGVALUES)/sizeof(FLAGVALUES[0]); ++i)
+    if (len==FLAGVALUES[i].len &&
+       strncmp(FLAGVALUES[i].id, str, len)==0)
+      return FLAGVALUES[i].val;
+
+  return 0;
+}
+
+char const *
+vc_hicflag2text_compat(uint_least32_t val)
+{
+  size_t       i;
+  size_t       idx;
+
+  assert(S_CTX_INFO_ULIMIT==64);
+  
+  for (i=S_CTX_INFO_ULIMIT, idx=6; i>0; i/=2, --idx)
+    if (val & i) return FLAGVALUES[idx].id;
+
+  return 0;
+}