This allows us to do a more accurate version check if the .vv file
producer wants to allow builds newer than x.y-z because they contain an
important bug fix.
---
man/remote-viewer.pod | 3 ++-
src/virt-viewer-file.c | 3 +--
src/virt-viewer-util.c | 73 +++++++++++++++++++++++++++++++++++++++-----------
src/virt-viewer-util.h | 2 +-
4 files changed, 61 insertions(+), 20 deletions(-)
diff --git a/man/remote-viewer.pod b/man/remote-viewer.pod
index e10b0b8..bda513d 100644
--- a/man/remote-viewer.pod
+++ b/man/remote-viewer.pod
@@ -141,7 +141,8 @@ protocol:
If remote-viewer version number isn't greater or equal to the required
version, an error is raised with the expected version.
-The version format accepted is a list of integers separated by '.'.
+The version format accepted is a list of integers separated by '.'. It can
+be followed by a dash '-' and an additional build number with the same format.
Version comparison is done by comparing each integer from the list one by
one. If any of the component is not a number, the version comparison will fail
diff --git a/src/virt-viewer-file.c b/src/virt-viewer-file.c
index 3caf1ec..3f06d1e 100644
--- a/src/virt-viewer-file.c
+++ b/src/virt-viewer-file.c
@@ -796,8 +796,7 @@ virt_viewer_file_check_min_version(VirtViewerFile *self, GError **error)
if (min_version == NULL) {
return TRUE;
}
-
- version_cmp = virt_viewer_compare_version(min_version, PACKAGE_VERSION);
+ version_cmp = virt_viewer_compare_buildid(min_version, PACKAGE_VERSION BUILDID);
if (version_cmp > 0) {
g_set_error(error,
diff --git a/src/virt-viewer-util.c b/src/virt-viewer-util.c
index aec3b77..19a475e 100644
--- a/src/virt-viewer-util.c
+++ b/src/virt-viewer-util.c
@@ -1,7 +1,7 @@
/*
* Virt Viewer: A virtual machine console viewer
*
- * Copyright (C) 2007-2012 Red Hat, Inc.
+ * Copyright (C) 2007-2015 Red Hat, Inc.
* Copyright (C) 2009-2012 Daniel P. Berrange
*
* This program is free software; you can redistribute it and/or modify
@@ -439,25 +439,24 @@ spice_hotkey_to_gtk_accelerator(const gchar *key)
return accel;
}
-/**
- * virt_viewer_compare_version:
- * @s1: a version-like string
- * @s2: a version-like string
- *
- * Compare two version-like strings: 1.1 > 1.0, 1.0.1 > 1.0, 1.10 > 1.7...
- *
- * String suffix (1.0rc1 etc) are not accepted, and will return 0.
- *
- * Returns: negative value if s1 < s2; zero if s1 = s2; positive value if s1 > s2.
- **/
-gint
+static gboolean str_is_empty(const gchar *str)
+{
+ return ((str == NULL) || (str[0] == '\0'));
+}
+
+static gint
virt_viewer_compare_version(const gchar *s1, const gchar *s2)
{
gint i, retval = 0;
gchar **v1, **v2;
- g_return_val_if_fail(s1 != NULL, 0);
- g_return_val_if_fail(s2 != NULL, 0);
+ if (str_is_empty(s1) && str_is_empty(s2)) {
+ return 0;
+ } else if (str_is_empty(s1)) {
+ return -1;
+ } else if (str_is_empty(s2)) {
+ return 1;
+ }
v1 = g_strsplit(s1, ".", -1);
v2 = g_strsplit(s2, ".", -1);
@@ -473,7 +472,7 @@ virt_viewer_compare_version(const gchar *s1, const gchar *s2)
g_return_val_if_fail(e1 && e2, 0);
if (*e1 || *e2) {
- g_warning("the version string contains suffix");
+ g_warning("the version string contains a suffix");
goto end;
}
}
@@ -489,6 +488,48 @@ end:
return retval;
}
+/**
+ * virt_viewer_compare_buildid:
+ * @s1: a version-like string
+ * @s2: a version-like string
+ *
+ * Compare two buildid strings: 1.1-1 > 1.0-1, 1.0-2 > 1.0-1, 1.10 > 1.7...
+ *
+ * String suffix (1.0rc1 etc) are not accepted, and will return 0.
+ *
+ * Returns: negative value if s1 < s2; zero if s1 = s2; positive value if s1 > s2.
+ **/
+gint
+virt_viewer_compare_buildid(const gchar *s1, const gchar *s2)
+{
+ int ret = 0;
+ GStrv split1 = NULL;
+ GStrv split2 = NULL;
+
+ split1 = g_strsplit(s1, "-", 2);
+ split2 = g_strsplit(s2, "-", 2);
+ if ((split1 == NULL) || (split2 == NULL)) {
+ goto end;
+ }
+ /* Compare versions */
+ ret = virt_viewer_compare_version(split1[0], split2[0]);
+ if (ret != 0) {
+ goto end;
+ }
+ if ((split1[0] == NULL) || (split2[0] == NULL)) {
+ goto end;
+ }
+
+ /* Compare -release */
+ ret = virt_viewer_compare_version(split1[1], split2[1]);
+
+end:
+ g_strfreev(split1);
+ g_strfreev(split2);
+
+ return ret;
+}
+
/* simple sorting of monitors. Primary sort left-to-right, secondary sort from
* top-to-bottom, finally by monitor id */
static int
diff --git a/src/virt-viewer-util.h b/src/virt-viewer-util.h
index 2226bf5..98badd2 100644
--- a/src/virt-viewer-util.h
+++ b/src/virt-viewer-util.h
@@ -54,7 +54,7 @@ gulong virt_viewer_signal_connect_object(gpointer instance,
GConnectFlags connect_flags);
gchar* spice_hotkey_to_gtk_accelerator(const gchar *key);
-gint virt_viewer_compare_version(const gchar *s1, const gchar *s2);
+gint virt_viewer_compare_buildid(const gchar *s1, const gchar *s2);
/* monitor alignment */
void virt_viewer_align_monitors_linear(GdkRectangle *displays, guint ndisplays);
--
2.4.2
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