[Libguestfs] [PATCH 1/2] tests: add a a simple libvirt-is-version test tool

[Pino Toscano]

libvirt-is-version returns successfully in case the available version of
libvirt is greater or equal than the specified major/minor/release
values.
---
 .gitignore                         |  1 +
 Makefile.am                        |  1 +
 configure.ac                       |  1 +
 tests/libvirt/Makefile.am          | 32 ++++++++++++++++
 tests/libvirt/libvirt-is-version.c | 76 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 111 insertions(+)
 create mode 100644 tests/libvirt/Makefile.am
 create mode 100644 tests/libvirt/libvirt-is-version.c

diff --git a/.gitignore b/.gitignore
index f8e6c71..c7da2f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -485,6 +485,7 @@ Makefile.in
 /tests/guests/stamp-fedora-md.img
 /tests/guests/ubuntu.img
 /tests/guests/windows.img
+/tests/libvirt/libvirt-is-version
 /tests/mount-local/test-parallel-mount-local
 /tests/mountable/test-internal-parse-mountable
 /tests/parallel/test-parallel
diff --git a/Makefile.am b/Makefile.am
index e39d11f..dbffdda 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -34,6 +34,7 @@ SUBDIRS += appliance
 if ENABLE_APPLIANCE
 SUBDIRS += tests/qemu
 SUBDIRS += tests/guests
+SUBDIRS += tests/libvirt
 SUBDIRS += tests/c-api
 SUBDIRS += tests/tmpdirs
 SUBDIRS += tests/protocol
diff --git a/configure.ac b/configure.ac
index c07462e..a454570 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1756,6 +1756,7 @@ AC_CONFIG_FILES([Makefile
                  tests/hotplug/Makefile
                  tests/http/Makefile
                  tests/journal/Makefile
+                 tests/libvirt/Makefile
                  tests/luks/Makefile
                  tests/lvm/Makefile
                  tests/md/Makefile
diff --git a/tests/libvirt/Makefile.am b/tests/libvirt/Makefile.am
new file mode 100644
index 0000000..bf5088c
--- /dev/null
+++ b/tests/libvirt/Makefile.am
@@ -0,0 +1,32 @@
+# libguestfs
+# Copyright (C) 2014 Red Hat Inc.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+include $(top_srcdir)/subdir-rules.mk
+
+if HAVE_LIBVIRT
+noinst_PROGRAMS = libvirt-is-version
+
+libvirt_is_version_SOURCES = \
+	libvirt-is-version.c
+
+libvirt_is_version_LDADD = \
+	$(LIBVIRT_LIBS)
+
+libvirt_is_version_CFLAGS = \
+	$(WARN_CFLAGS) $(WERROR_CFLAGS) \
+	$(LIBVIRT_CFLAGS)
+endif
diff --git a/tests/libvirt/libvirt-is-version.c b/tests/libvirt/libvirt-is-version.c
new file mode 100644
index 0000000..47f2e25
--- /dev/null
+++ b/tests/libvirt/libvirt-is-version.c
@@ -0,0 +1,76 @@
+/* libguestfs
+ * Copyright (C) 2014 Red Hat Inc.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <libvirt/libvirt.h>
+
+static unsigned int argtoint (const char *prog, const char *arg);
+
+int
+main (int argc, char *argv[])
+{
+  unsigned long ver;
+  unsigned int major = 0, minor = 0, release = 0;
+
+  switch (argc) {
+  case 4:
+    release = argtoint (argv[0], argv[3]);
+    /*FALLTHROUGH*/
+  case 3:
+    minor = argtoint (argv[0], argv[2]);
+    /*FALLTHROUGH*/
+  case 2:
+    major = argtoint (argv[0], argv[1]);
+    break;
+  case 1:
+    fprintf (stderr, "%s: not enough arguments: MAJOR [MINOR [PATCH]]\n",
+             argv[0]);
+    exit (EXIT_FAILURE);
+    break;
+  }
+
+  virInitialize ();
+
+  virGetVersion (&ver, NULL, NULL);
+
+  return ver >= (major * 1000000 + minor * 1000 + release)
+         ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+static unsigned int
+argtoint (const char *prog, const char *arg)
+{
+  long int res;
+  char *endptr;
+
+  errno = 0;
+  res = strtol (arg, &endptr, 10);
+  if (errno || *endptr) {
+    fprintf (stderr, "%s: cannot parse integer argument '%s'.\n", prog, arg);
+    exit (EXIT_FAILURE);
+  }
+
+  return (unsigned int) res;
+}
-- 
1.8.3.1