libxbps: use a new bool in struct xbps_handle to track successful initialization.

(cherry picked from commit 03374950680f6a839b1ee2df8e3a4e1dfb110fa8)

include/xbps_api.h

@@ -81,7 +81,7 @@
 
 /** 
  * @def XBPS_PKGDB
- * Filename for the master package database.
+ * Filename for the package database.
  */
 #define XBPS_PKGDB		"pkgdb.plist"
 
@@ -562,6 +562,10 @@ struct xbps_handle {
 	 *  - XBPS_FLAG_INSTALL_MANUAL
 	 */
 	int flags;
+	/**
+	 * @private
+	 */
+	bool initialized;
 };
 
 void xbps_dbg_printf(struct xbps_handle *, const char *, ...);

lib/initend.c

@@ -40,8 +40,6 @@
  * Use these functions to initialize some parameters before start
  * using libxbps and finalize usage to release resources at the end.
  */
-static bool xbps_initialized;
-
 static char *
 set_cachedir(struct xbps_handle *xh)
 {
@@ -121,6 +119,9 @@ xbps_init(struct xbps_handle *xhp)
 
 	assert(xhp != NULL);
 
+	if (xhp->initialized)
+		return 0;
+
 	if (xhp->conffile == NULL)
 		xhp->conffile = XBPS_CONF_DEF;
 
@@ -207,7 +208,7 @@ xbps_init(struct xbps_handle *xhp)
 	    xhp->transaction_frequency_flush);
 	xbps_dbg_printf(xhp, "Architecture: %s\n", xhp->un_machine);
 
-	xbps_initialized = true;
+	xhp->initialized = true;
 
 	return 0;
 }
@@ -215,7 +216,9 @@ xbps_init(struct xbps_handle *xhp)
 void
 xbps_end(struct xbps_handle *xhp)
 {
-	if (!xbps_initialized)
+	assert(xhp);
+
+	if (!xhp->initialized)
 		return;
 
 	xbps_pkgdb_release(xhp);
@@ -227,8 +230,8 @@ xbps_end(struct xbps_handle *xhp)
 	free(xhp->metadir_priv);
 	free(xhp->un_machine);
 
+	xhp->initialized = false;
 	xhp = NULL;
-	xbps_initialized = false;
 }
 
 static void