[PATCH 10/13] vsh: Introduce new global initializer

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Right now, there's very little to do in global initializer besides
registering client hooks, but there's a potential to have some more
features that will need to be properly initialized beforehand (exporting
vshControl pointer only would definitely make use of this).
---
 tools/vsh.c | 24 ++++++++++++++++++++++++
 tools/vsh.h |  3 +++
 2 files changed, 27 insertions(+)

diff --git a/tools/vsh.c b/tools/vsh.c
index 4eb5de2..ed1fdb9 100644
--- a/tools/vsh.c
+++ b/tools/vsh.c
@@ -1942,6 +1942,30 @@ vshInitDebug(vshControl *ctl)
 }
 
 
+/*
+ * Initialize global data
+ */
+int
+vshInit(vshControl *ctl,
+        const vshClientHooks *clhooks,
+        const vshCmdGrp *clgrps)
+{
+    if (!clhooks || !clhooks->connHandler) {
+        vshError(ctl, "%s", _("client hooks must not be NULL"));
+        return -1;
+    }
+
+    if (!clgrps) {
+        vshError(ctl, "%s", _("command groups must not be NULL"));
+        return -1;
+    }
+
+    hooks = clhooks;
+    cmdGroups = clgrps;
+    vshInitDebug(ctl);
+    return 0;
+}
+
 #define LOGFILE_FLAGS (O_WRONLY | O_APPEND | O_CREAT | O_SYNC)
 
 /**
diff --git a/tools/vsh.h b/tools/vsh.h
index eae38d5..6bf742d 100644
--- a/tools/vsh.h
+++ b/tools/vsh.h
@@ -300,6 +300,9 @@ typedef enum {
 
 void vshPrintExtra(vshControl *ctl, const char *format, ...)
     ATTRIBUTE_FMT_PRINTF(2, 3);
+int vshInit(vshControl *ctl, const vshClientHooks *clhooks,
+            const vshCmdGrp *clgrps)
+    ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
 void vshDebug(vshControl *ctl, int level, const char *format, ...)
     ATTRIBUTE_FMT_PRINTF(3, 4);
 
-- 
1.9.3

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