isNumber(): added
authorEnrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
Mon, 4 Jul 2005 22:35:47 +0000 (22:35 +0000)
committerEnrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
Mon, 4 Jul 2005 22:35:47 +0000 (22:35 +0000)
git-svn-id: http://svn.linux-vserver.org/svn/util-vserver/trunk@2142 94cd875c-1c1d-0410-91d2-eb244daf1a30

util-vserver/lib_internal/Makefile-files
util-vserver/lib_internal/util-isnumber.c [new file with mode: 0644]
util-vserver/lib_internal/util.h

index 5e8922f..aca43da 100644 (file)
@@ -96,6 +96,7 @@ lib_internal_libinternal_common_SRCS = \
                                lib_internal/unify-isiunlinkable.c \
                                lib_internal/util-canonify.c \
                                lib_internal/util-exitlikeprocess.c \
+                               lib_internal/util-isnumber.c \
                                lib_internal/util-lockfile.c \
                                lib_internal/util-safechdir.c \
                                $(command_SRCS) \
diff --git a/util-vserver/lib_internal/util-isnumber.c b/util-vserver/lib_internal/util-isnumber.c
new file mode 100644 (file)
index 0000000..f5a41c7
--- /dev/null
@@ -0,0 +1,38 @@
+// $Id$    --*- c -*--
+
+// Copyright (C) 2005 Enrico Scholz <enrico.scholz@informatik.tu-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 "util.h"
+
+bool
+isNumber(char const *str, signed long *result)
+{
+  char *       errptr;
+  signed long  val;
+
+  val = strtol(str, &errptr, 0);
+  if (*errptr!='\0' || errptr==str)
+    return false;
+  else {
+    if (result) *result = val;
+    return true;
+  }
+}
index 3d43c12..955fbe6 100644 (file)
@@ -35,5 +35,6 @@
 
 bool           switchToWatchXid(char const **);
 size_t         canonifyVserverName(char *);
+bool           isNumber(char const *, signed long *result);
 
 #endif //  H_UTILVSERVER_LIB_INTERNAL_UTIL_H